EP3082111B1 - Electronic monitoring bracelet - Google Patents
Electronic monitoring bracelet Download PDFInfo
- Publication number
- EP3082111B1 EP3082111B1 EP16167975.8A EP16167975A EP3082111B1 EP 3082111 B1 EP3082111 B1 EP 3082111B1 EP 16167975 A EP16167975 A EP 16167975A EP 3082111 B1 EP3082111 B1 EP 3082111B1
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- EP
- European Patent Office
- Prior art keywords
- bracelet
- monitoring
- kit according
- channel
- enclosure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0286—Tampering or removal detection of the child unit from child or article
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
- G08B21/0291—Housing and user interface of child unit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/22—Status alarms responsive to presence or absence of persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
Definitions
- the present invention relates to an electronic monitoring bracelet, in particular for monitoring the movements of a person, for example in the context of a judicial surveillance.
- GNSS satellite tracking system
- GPS Global Positioning System
- bracelet integrity detection system to detect whether the bracelet is removed or failed.
- the monitoring bracelet is intended to be fixed around a wrist or ankle of the wearer, and includes electrical son around the bracelet and forming a closed electrical circuit.
- the wearer To remove the bracelet, the wearer must cut the wire or disconnect the wire at one end, the opening of the electrical circuit can be detected by a sensor mounted in the bracelet.
- the document WO 88/09541 describes an electronic tag identifying individuals configured to be mounted around a member or an object.
- the document EP 1 302 822 describes an electric charger for a portable object, such as, in particular, a wristwatch.
- An object of the invention is to provide a monitoring kit with a charging unit, a base station and an electronic monitoring bracelet that allows the wearer of the bracelet to move freely.
- Objects of the invention are realized by a surveillance kit according to claim 1.
- an electronic monitoring bracelet comprising an annular body configured to be mounted around a member or an object, and an electronic monitoring system disposed in the body comprising an integrity detection system, the annular body being in the form of a rigid shell enclosing a chamber or several chamber sections in which or components of the electronic monitoring system are arranged, the annular body making the entire round of the bracelet.
- the electronic monitoring system may include an energy source, a localization, and a communication system for transmitting surveillance and integrity data
- the integrity detection system comprises a sensor configured to detect an impairment of the integrity of the rigid shell of the annular body.
- the sensor includes a pressure sensor configured to sense a pressure variation in the chamber or one or more chamber sections enclosed by the rigid shell.
- the annular body is formed of two separate parts, configured to be mounted around a member and locked together.
- the closure system is configured for irreversible locking without its destruction, the closure system comprising welding at the interface of the body portions of the bracelet.
- the interface of at least one of the body parts comprises an electric heating wire connected to an internal energy source of the wristband disposed near a surface of the interface and configured to heat by Joule effect for perform a solder of the two parts to the interface.
- the heating element can be connected to an electronics arranged in the bracelet, allowing the welding at the interface to be engaged by a wireless remote control.
- components forming the integrity detection system, the energy source, the location system and the communication system are arranged in several zones distributed around the bracelet in the body.
- a monitoring kit comprising an electronic monitoring bracelet and a mobile wireless charging unit, comprising one or more rechargeable batteries, and configured to be mechanically coupled detachably to the monitoring bracelet. to recharge the internal power source wirelessly, the kit further comprising a charging station for recharging the batteries of the charging unit.
- an electronic monitoring bracelet comprising an annular body configured to be mounted around a limb or an object, and an electronic monitoring system disposed in the body, the electronic monitoring system comprising at least one integrity detection system and an internal energy source.
- the integrity detection system comprising at least one enclosure and at least one channel disposed in the body, the channel and the enclosure around the bracelet and further comprising at least one sensor configured to detect an impairment of integrity the canal or the enclosure.
- the electronic monitoring system may further include a location system, and a communication system for transmitting monitoring and integrity data.
- said at least one sensor comprises a pressure sensor.
- Said at least one pressure sensor may be disposed in the enclosure and configured to measure a pressure variation in the enclosure and / or in the channel.
- said at least one sensor comprises an ultrasonic sensor.
- the ultrasound emitter may be arranged facing one end of the channel and the ultrasonic detector facing the other end of the channel.
- the integrity detection system comprises at least one ultrasonic sensor disposed in the enclosure.
- Said at least one ultrasonic sensor disposed in the enclosure may be configured to detect an impairment of the integrity of the enclosure, or also an impairment of the integrity of the channel.
- the channel may be in fluid communication with the enclosure, depending on the variant.
- the channel and / or the enclosure contains a fluid
- the fluid may be a gas or a liquid under or overpressure relative to the atmospheric pressure
- the monitoring system comprises an electronic card on which the communication system, the location system and the energy source are mounted, the electronic card being disposed in the enclosure, said at least one integrity sensor being mounted on the electronic board.
- the communication system may advantageously comprise a transmitter configured for data transmission over a mobile telephone network.
- the location system may advantageously comprise a satellite positioning signal (GPS) sensor.
- GPS satellite positioning signal
- the location system may additionally, or alternatively, include a transmitter and / or wireless receiver configured to communicate with a wireless receiver and / or transmitter of a station base to detect the presence of the bracelet in a defined communication area around the base station.
- the base station and the monitoring bracelet may for example each comprise a transceiver operating with one or more wireless communication protocols such as Bluetooth, Wi-Fi, Zigbee or other communication protocols.
- an alarm can be issued by the base station to a central monitoring.
- the body of the bracelet comprises a closure system enabling the bracelet to be placed around a limb or an object and comprises a fastening means that is irreversible unless the bracelet is permanently damaged (bracelet broken voluntarily).
- the fixing means may advantageously comprise a weld of two interface parts of the bracelet.
- the body may contain an orifice for the partial evacuation or the overpressure of the channel and / or the enclosure after the introduction of the bracelet around a member or an object, the port being sealed after partial vacuum or overpressure.
- an electronic monitoring bracelet comprises a body or housing 2 of generally annular shape, configured to be mounted around a wrist or ankle of a person, carrying electronic bracelet, and an electronic monitoring system 3 disposed in the body or housing.
- the electronic monitoring bracelet can also be used for other applications than the surveillance of people, for example, it can be placed around a closing system of a good or any other valuable object that the we want to monitor, in particular to ensure that the object has not been opened, and optionally still to have a record of the movement of the object or property.
- the body of the bracelet is open at least at an interface 7, but can also be provided in two separate parts 2a, 2b forming two interfaces 7a, 7b, closed by a closure system 6.
- the closure system can be an irreversible or permanent system, namely, it can not be re-opened to remove the monitoring bracelet without damage to the bracelet, representing an attack on the integrity of the bracelet.
- the closure system may comprise mechanical means, such as a connector formed by protuberances (for example at the head of the arrow) or tabs on a portion inserted in a hole or a complementary cavity (for example with shoulders to engage the protuberances or tongues) on the other part. After insertion, the separation of the parts of the connector is blocked.
- the closure system may also include welding, for example ultrasonic welding, or glue bonding at the interface of the bracelet portions coupled together.
- the closure system may also include a combination of a mechanical attachment of the two parts of the bracelet in the closed position and a bonding or welding of the coupling interface.
- the closure system could also include a crimp, for example a metal ring crimped around the coupling interface.
- the closure system may be a reversible system with a locking mechanism that can be opened with a key or an electronic code so that the bracelet can be removed without destruction.
- the closure system 6 comprises an extension or projection 19a projecting from the interface 7 of one of the body portions 2b, configured to be inserted and housed in a complementary cavity 19b on the other part of the body 2b.
- a complementary cavity 19b on the other part of the body 2b.
- the projections may be all located on the same part of the body, or distributed over the two body parts.
- the complementary protrusions and cavities are preferably configured to allow only one way to assemble the two body portions 2a, 2b in a single orientation, to prevent body parts can be put together in a wrong way .
- the extension 19a may be in the form of a tube with a channel portion 8a aligned with and forming a portion of the channel 8 surrounding the monitoring bracelet.
- the tube portion may be integral or pre-assembled in one of the body parts 2a, for example a tube portion 48 screwed to the body portion 2a as illustrated in FIG. figure 7 , or be in the form of a separate part inserted in cavities in the two body parts 2a, 2b at the time of closure of the monitoring bracelet.
- Seals 50a (see figure 7 ), for example in the form of O-rings, can be arranged around each extension 19a and between the extension 19a and the complementary cavity 19b for a hermetic closure of the channel 8 at the interface between the two body parts 2a, 2b .
- Seals 50 may also be disposed around the tube portion 48 screwed to the body portion 2a to provide a hermetic connection between these two parts.
- the extension and / or the complementary cavity comprises, close to its surface or on its surface, an electric heating wire 33 connected to a source of electrical energy disposed in the body of the bracelet and configured to provide thermal energy melting the plastic-like material on the surface of the extension and / or the cavity for welding the two parts to their interfaces.
- the wire therefore produces thermal energy by Joule effect.
- the activation of the heating can be controlled by the electronic circuit of the monitoring bracelet and remotely controlled, for example from a monitoring station 24 by the mobile telephone system, or controlled nearby by a wireless connection.
- the closure of the bracelet can thus be controlled by a central monitoring, or can be controlled and performed by an operator on site during the establishment of the monitoring bracelet.
- a very fine conductive wire is wound around the extension in a small groove, for example a helical groove on the surface of the extension 19a.
- the wire is disposed near the outer surface of the extension, but overmoulded and, therefore, under the outer surface.
- An electric heating wire may also be provided at the surface of the body interface disposed around 7a, 7b to also weld the abutting faces of each of the two body portions.
- the closure system 6 is a reversible system with a locking mechanism that can be opened with a key or an electronic code so that the bracelet can be removed without destruction.
- the closure system comprises an electromagnet 40 mounted in the body portion 2b, comprising a coil 42, and one or two plungers 44 slidably mounted in a cavity 43 in the center of the electromagnet and each urged by a compression spring 46 in a closed position where they are inserted in a complementary housing 53 in the extension 19a of the other body part 2a.
- the compression springs can be supported on a core 52 located in the center of the coil.
- each plunger is limited to the outside by a shoulder 45 formed on the plunger engaging a stop in the housing 41 of the closure system.
- the abutment comprises a shim 47 of non-magnetic material, such as plastic, which also allows the magnetic field to circulate in the carcass in such a way that the retraction is done without dead point.
- the tapered shape 49 of the ends of the extensions 19a facilitates penetration and pushes the plungers 44 into the electromagnet.
- a chamfer 51 made at the inlet of each cavity 19b guides and compresses the seal 50a.
- the two halves of the bracelet are nested, the extensions 19a penetrate into the cavities 19b, and the plungers 44 are pushed into a closed position where they are inserted into the complementary housings 53.
- a control electronics embedded in the bracelet feeds the electromagnets locks placed on each side of the bracelet.
- the excitation of the electromagnets attracts the two divers 44 who thus release the dwellings 53.
- two current sensors are placed on the supply line of each of the two electromagnets.
- the position of the two plungers very significantly modifies the self-inductance measured across the solenoid (coil), which makes it possible to determine with precision whether the two plungers are well released in the housing 53 of the two sleeves or not.
- This measurement can be made by imposing a voltage jump on the solenoid and measuring the settling time of the current flowing through it.
- the actuator is designed in such a way that the self-inductance varies greatly according to the position of the plungers in order to facilitate the measurement but also to reduce the excitation current as soon as the plungers are retracted, this in order to save energy.
- the control device makes it possible to reverse the excitation current in order to suppress this remanent field and thus to guarantee that the two divers emerge after the opening period.
- the function of the invention is to ensure that the cut is always detected and not to prevent this cut.
- the possibility of cutting the bracelet can be facilitated by a groove 54 forming a mechanical fuse on the sleeve so that the thickness of material remaining in the groove section can be broken for example by a rescuer or be torn off by force.
- the integrated monitoring system in the body comprises an integrity detection system 4, a power source 12 such as a lithium battery for supplying the electronic circuit, a location system 14 and a communication system 16 for the transmission of monitoring data to a monitoring station 24 and optionally a short-distance wireless communication system 60 operating with one or more communication protocols such as the protocols known as Bluetooth, Wi-Fi, or Zigbee.
- the location system can include a satellite positioning system (called "GNSS”), such as for example GPS (Global Positioning System), the location system including an antenna for the reception of the signals transmitted by a satellite 21 and a processing circuit for calculating the earth position of the bracelet, this system being well known per se.
- GNSS satellite positioning system
- GPS Global Positioning System
- the location system may include a wireless transmitter and / or receiver configured to communicate with a wireless receiver and / or transmitter of a base station to detect the presence of the wristband in a communication area defined around the base station.
- the base station and the monitoring bracelet may for example each comprise a transceiver, or a transmitter and receiver, operating with one or more wireless communication protocols such as the protocols known under the names Bluetooth, Wi-Fi, Zigbee or other wireless communication protocols.
- an alarm can be issued by the base station to a central monitoring.
- the location system could also be based on or include a positioning system with respect to a mobile telephone system or other public or private wireless networks.
- the communication system 16 for the transmission of surveillance data is preferably based on a communication system by the mobile telephone network 22 using communication protocols known for the transmission of data, such as GPRS, EDGE or others. according to the communication systems used on the surveillance territory.
- the transmitted data 23 may include in particular a wristband identifier or an authentication code, the position of the wristband provided by the location system 14, and information indicating the condition of the wristband, namely a normal operating state, an anomaly that triggers an alarm requiring the intervention of the supervisory authority.
- the communication system can also transmit other information, such as the state of charge of the battery or a history on a given time on the location of the bracelet stored in memory in the bracelet.
- the monitoring data is preferably encrypted before transmission, in order to avoid manipulation or unauthorized reading of the data.
- the data 23 transmitted on the mobile telephone network 22 may, at first, be received on the server 26 of the operator of the mobile telephone network, and then be transmitted to servers 25, for example by the network channel.
- said "internet” by means of a secure communication, the data being stored on the servers 25 and accessible by means of a secure connection and authenticated by the central monitoring station 24.
- these Data can be distributed over several servers 25a, 25b, 25c, the recomposition of data requiring codes and special software.
- the energy source, the location system, the communication system as well as the electronic part of the integrity detection system 4 can be mounted on one or more electronic cards 18 arranged in a enclosure 9 for the electronics in the body or housing 2. It is also possible to have electronic components distributed at two or three locations in the housing on a plurality of electronic boards with a rigid or flexible substrate. However, in a preferred embodiment, the electronics are concentrated on a single board to reduce manufacturing costs.
- the enclosure 9 may be filled with a gas or contain a gas, or may be filled with resin cast around the electronics to protect the components.
- various elements installed inside the body or casing 2 can be distributed in the body at different places, around the body in order to distribute the weight, and also to reduce the body section. for a higher comfort of use and also a port of the more discreet monitoring bracelet.
- all the active components are typically assembled in a case coupled to a flexible bracelet, only the bracelet around the ankle or wrist.
- the casing is therefore placed only on one side of the ankle or wrist.
- the distribution of the components inside the bracelet also increases the security against an attempt to deceive the integrity maintenance system, the position of the various components inside the housing is not known precisely.
- the integrity detection system comprises a channel 8 (hereinafter referred to as "annular channel") extending from one end of the enclosure 9 for electronics to the other end of the enclosure thus circling the bracelet.
- annular channel extending from one end of the enclosure 9 for electronics to the other end of the enclosure thus circling the bracelet.
- the integrity of this channel 8 and the enclosure 9 makes it possible to define the integrity of the electronic monitoring bracelet in use, by means of at least one sensor 10, 10a, 10b, 11a, 11b, which can be, in a preferred embodiment arranged or mounted at least partially in the enclosure 9.
- the channel contains a gas.
- the channel may contain a solid or other ultrasonic conductive material with acoustic wave impedance different from the body or housing surrounding the channel.
- the sensor 10 comprises an ultrasound generator or emitter 10a and an ultrasound detector 10b, the emitter being positioned at an end 13a of the channel 8 configured to generate acoustic waves, especially in the ultrasonic frequency domain ( 30 kHz to 100 kHz), in the channel for the waves to progress along the channel to the ultrasonic detector 10b disposed at the other end 13b of the channel.
- the acoustic signal picked up by the detector is a function not only of the acoustic signal generated by the ultrasound transmitter, but also of the geometry of the channel, in particular the length or the shape of the channel, as well as the properties of the fluid (or according to the variant of the solid) filling the channel.
- the ultrasound generator may be configured to generate an ultrasonic signal of specific shape and duration set in advance, this acoustic signal may be unique, that is to say different from one bracelet to another, or the even depending on the degree of security required.
- An important advantage of using an ultrasonic generator and detector to check the integrity of the channel running around the bracelet is the low power consumption and, therefore, the longer battery life, while ensuring detection. very reliable as well as a very robust system.
- the acoustic signal can be transmitted in very short pulses, lasting a few microseconds, at intervals of less than one second, or even at higher intervals if greater autonomy is desired.
- an ultrasonic transmitter 11a and an ultrasonic detector 11b disposed in the enclosure at separate positions, for example mounted on the electronic card 18 and directed towards a wall 15 of the enclosure, operating on the same principle as the sensors 10a, 10b.
- a rupture or crushing of the enclosure 9 influences the acoustic signal and can be detected.
- a single pair of sensors comprising a detector and a transmitter, arranged in the chamber 9 and configured to emit the ultrasound signal so that it does not only travel through the channel 8 but also the enclosure 9, to reduce the number of components.
- a single ultrasonic sensor having an emitter and detector function, disposed at one end of the channel 8 and / or in the enclosure 9 and configured to emit a signal of ultrasound and then detect it a few microseconds later when the signal has been around the bracelet and / or reflected from the wall of the enclosure.
- the ultrasound-related module is responsible on the one hand for generating an ultrasonic signal and on the other hand for capturing the generated signal and for analyzing it.
- the ultrasonic signal may have, for example, a frequency of 40 kHz, but other ultrasonic frequencies may be suitable, and may be continuous or pulsed. In continuous mode, the phase is measured whereas in pulsed mode it is possible to measure the travel time. Both cases can also be used to determine the impulse response of the channel.
- the ultrasonic signal can be produced continuously; once the signal is stabilized the phase is measured over several periods to make an instantaneous average. Once the measurement is complete, the phase is calculated and the signal generation is stopped.
- the ultrasonic signal can be pulsed and then wait for the latter to propagate in the channel. In due course, the acquisition of the signal is triggered and the latter is done over a few tens of periods of the ultrasonic signal.
- the amplitude of the received signal follows roughly a Gaussian curve. Once all the measurements are recorded, the position of the maximum amplitude is calculated and the signal travel time is deduced.
- the ultrasonic transducer takes a long time to start the oscillations and when it is applied a short excitation, the amplitude of the signal will increase from period to period and once the excitation stopped, the transducer will continue to oscillate with decreasing amplitude .
- the signal generated, and therefore that received, will thus be composed of several oscillations whose amplitude follows a kind of Gaussian curve.
- the signal can be pulsed or continuous.
- the shape of the impulse response of the channel depends on the geometry of the channel.
- the physical conditions mainly influence only the general parameters of the impulse response and not the general form of the impulse response provided that the physical conditions remain in the field of the conditions of normal life.
- the signal processing takes into account the physical conditions in which the bracelet is located, in particular the temperature and the air pressure, as well as the gaseous composition of said air, which influence its density, and therefore the speed of sound propagation in the channel.
- the integrity detection system comprises a static pressure sensor 10 disposed in the enclosure, or at one or both ends of the channel 8, configured to detect a pressure variation in the channel and or in the enclosure, either an increase in pressure, a decrease in pressure, or both. When the pressure variation is beyond a predetermined threshold, an anomaly is reported.
- the enclosure and the channel are filled with a fluid at a pressure different from the atmospheric pressure, either a partial vacuum or an overpressure.
- the fluid can simply be air, especially in a variant with an enclosure and a partial vacuum channel.
- the fluid may also be a gas with large molecules, such as nitrogen, especially for overpressure variants, in order to reduce the rate of diffusion of gas molecules through the body causing a pressure drop over time.
- An orifice 17 through the body makes it possible to subtract air before sealing the orifice.
- the orifice can also be used to inject a gas to put the enclosure and the channel under overpressure.
- the case 2 of the bracelet may be in the form of a rigid or semi-rigid shell making the complete turn, namely a self-supporting shell that offers some resistance against crushing.
- the housing 2 is therefore in the form of a shell enclosing a chamber in which the various components are arranged.
- the electronic part is arranged in a box that is fixed or mounted on a flexible belt, forming the bracelet that goes around the wearer's ankle. The weight and bulk of the electronic box disposed on an outer side of the ankle are uncomfortable and exposed to shocks causing failure or inadvertent rupture of the monitoring bracelet.
- the substantially smooth shell of essentially constant or homogeneous section around the bracelet offers no shoulder or protuberance that could cling to external objects and, in the case of a rigid or semi-rigid shell provides protection against external shocks.
- An important advantage of this aspect of the invention and that the various electronic components, such as the electronic board 18, the batteries 12, the mobile telecommunication antenna 62 and other components can be distributed around the bracelet to the inside 27 of the annular rigid shell 2 for distribute the weight and reduce the thickness and bulk of the bracelet, while increasing reliability, safety and comfort.
- FIGS. Figures 2a to 3b and 6a to 6d It is also possible to have inside the housing 2, a partial vacuum or a gas at overpressure with respect to the ambient pressure, in order to detect an impairment of the integrity of the housing by detecting a pressure variation by a sensor. pressure disposed in the housing.
- the chamber 27 inside the shell-shaped housing 2 can thus have the function of the previously described channel 8 instead of and in place of the channel 8 illustrated in the variants of FIGS. Figures 2a to 3b and 6a to 6d .
- Figures 2a , 3a , 3b , and 6a to 6d combine a channel 8 formed by a dedicated tube, circling the bracelet, arranged in a rigid shell formed by the housing.
- an overpressure or a partial vacuum in the chamber 27 of the housing 2 it would be possible to send a signal of damage to the integrity of the bracelet before the source of the bracelet can be reached. energy or the electronic circuit. It would thus be possible to transmit a signal of integrity breach, which would allow the triggering of the alert and a faster intervention instead of waiting for the alarm to start due to a non-response of a surveillance bracelet that would be destroyed.
- the circumference of the bracelet, and therefore the length of the channel 8 may vary from one bracelet to another, especially to be adapted to the measurements of the wrist or ankle of the wearer.
- the closure system could be adjustable so that the object can be tightened to the desired diameter.
- parts of housing 2a, 2b of different sizes can be provided.
- the calibration of the sensor or ultrasonic and / or pressure sensors can be performed once the bracelet is placed on the carrier.
- the calibration procedure may include a storage in a memory of the electronics, a sensor signal shortly after its introduction on the carrier, constituting a reference value indicating an integral bracelet. It is possible to set predetermined value thresholds for this signal in order to ensure that the calibration is done on an integral bracelet, in particular that the setting up and closing of the bracelet are correct, by comparing the reference value after calibration with values predetermined thresholds that take into account possible variations in the geometry of the bracelet, but that avoid integrity failures outside of these measures or these permitted values.
- a kit for the monitoring bracelet may advantageously comprise a recharging unit 28 forming an external power source, and configured to be coupled to the bracelet 1 in order to recharge the internal energy source 12.
- the electrical coupling between the charging unit 28 and the bracelet can be done by means of electric terminals 29, 29a, 29b or there can be an induction coupling without direct electrical contact.
- the charging unit 28 is in the form of a portable rechargeable battery, provided with fixing means 30, for example in the form of resilient arms with lugs 31 at their free ends forming resilient clips which are clipped on both sides on bosses 70a of a section of the bracelet 1, as illustrated in FIG. Fig.
- the wearer of the bracelet can therefore move freely during the duration of a recharge of the internal energy source, unlike the conventional system where charging is done by means of an electric cable connected to the monitoring bracelet.
- the charging unit is released from the bracelet by pressing the button 71.
- the batteries of the charging unit 28 can be recharged by means of a base station or charging station 32 illustrated to the Fig. 4c , connected to the electrical network.
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Description
La présente invention concerne un bracelet de surveillance électronique, notamment pour surveiller les déplacements d'une personne, par exemple dans le cadre d'une surveillance judiciaire.The present invention relates to an electronic monitoring bracelet, in particular for monitoring the movements of a person, for example in the context of a judicial surveillance.
Certaines personnes soupçonnées d'avoir commis un délit en attente d'un jugement, ou ayant commis un délit et étant en liberté conditionnelle, peuvent être contraintes au port d'un bracelet de surveillance électronique afin que l'autorité de surveillance puisse localiser la personne et surveiller ses déplacements en tout temps. De tels bracelets contiennent un système de localisation par satellite (dit "GNSS", acronyme des termes anglais "Global Navigation Satellite System") tel que par exemple GPS (Global Positioning System), un système de télécommunication pour la transmission de données à un central de surveillance/commande et un système de détection d'intégrité du bracelet pour pouvoir détecter si le bracelet est enlevé ou défaillant.Some persons suspected of having committed a crime awaiting trial, or having committed a crime and being on parole, may be required to wear an electronic surveillance bracelet so that the supervisory authority can locate the person and monitor his movements at all times. Such bracelets contain a satellite tracking system (called "GNSS"), such as GPS (Global Positioning System), a telecommunication system for transmitting data to a central office. monitoring / control and a bracelet integrity detection system to detect whether the bracelet is removed or failed.
En effet, afin de pouvoir surveiller le déplacement du porteur du bracelet en tout temps, il est nécessaire de s'assurer que le porteur ne puisse pas enlever le bracelet sans que cela soit détecté. L'absence d'un signal permettant de localiser le bracelet ou d'un signal confirmant l'intégrité du bracelet permet de signaler aux autorités un comportement non-conforme ou non-autorisé du porteur du bracelet. Il convient de souligner que l'objectif n'est pas un bracelet ne pouvant pas être enlevé, au contraire, en cas de force majeure, on doit pouvoir enlever le bracelet en l'arrachant ou en le coupant.Indeed, in order to monitor the movement of the wearer of the bracelet at all times, it is necessary to ensure that the wearer can not remove the bracelet without this being detected. The absence of a signal to locate the bracelet or a signal confirming the integrity of the bracelet makes it possible to report to the authorities a non-compliant or unauthorized behavior of the wearer of the bracelet. It should be stressed that the objective is not a bracelet that can not be removed, on the contrary, in case of force majeure, it must be possible to remove the bracelet by tearing or cutting.
Dans un dispositif conventionnel, le bracelet de surveillance est destiné à être fixé autour d'un poignet ou d'une cheville du porteur, et comprend des fils électriques faisant le tour du bracelet et formant un circuit électrique fermé. Pour pouvoir enlever le bracelet, le porteur doit sectionner le fil ou déconnecter le fil à un bout, l'ouverture du circuit électrique pouvant être détectée par un capteur monté dans le bracelet.In a conventional device, the monitoring bracelet is intended to be fixed around a wrist or ankle of the wearer, and includes electrical son around the bracelet and forming a closed electrical circuit. To remove the bracelet, the wearer must cut the wire or disconnect the wire at one end, the opening of the electrical circuit can be detected by a sensor mounted in the bracelet.
Les systèmes conventionnels ne sont toutefois pas suffisamment fiables sur les durées typiques du port des bracelets, ou n'ont pas une protection suffisante contre une soustraction du bracelet sans détection par des moyens astucieux, tel qu'un pontage des fils électriques, ou encore ils peuvent transmettre des faux signaux de non-intégrité. On cherche à éliminer toute situation de faux positif (indication de non-intégrité, alors que le bracelet est intègre) et de faux négatif (indication d'un bracelet intègre, alors que le porteur a pu se défaire du bracelet). Il est également avantageux de réduire les coûts de surveillance, tenant compte non seulement du coût du bracelet mais également les coûts de mise en place du bracelet sur le porteur et de son remplacement.Conventional systems are however not reliable enough on the typical times of wearing bracelets, or do not have sufficient protection against subtraction of the bracelet without detection by clever means, such as bypassing electrical wires, or they can transmit false signals of non-integrity. We try to eliminate any situation of false positive (indication of non-integrity, while the bracelet is intact) and false negative (indication of a bracelet integrity, while the wearer was able to get rid of the bracelet). It is also advantageous to reduce monitoring costs, taking into account not only the cost of the bracelet but also the costs of setting up the bracelet on the wearer and its replacement.
Le document
Le document
Un objet de l'invention est de fournir un kit de surveillance avec une unité de recharge, une station de base et un bracelet de surveillance électronique qui permet au porteur du bracelet de se déplacer librement.An object of the invention is to provide a monitoring kit with a charging unit, a base station and an electronic monitoring bracelet that allows the wearer of the bracelet to move freely.
Il est avantageux de fournir un bracelet de surveillance électronique avec un système de détection d'intégrité inviolable et qui permet de réduire ou d'éliminer les fausses alarmes positives.It is advantageous to provide an electronic monitoring bracelet with a tamper-proof integrity detection system which makes it possible to reduce or eliminate positive false alarms.
Il est avantageux de fournir un bracelet de surveillance électronique économe à fabriquer et à installer.It is advantageous to provide an economical electronic monitoring bracelet to manufacture and install.
Il est avantageux de fournir un bracelet de surveillance électronique qui a une grande autonomie.It is advantageous to provide an electronic monitoring bracelet that has a great autonomy.
Il est avantageux de fournir un bracelet de surveillance électronique qui est robuste et fiable sur une longue durée d'utilisation.It is advantageous to provide an electronic monitoring bracelet that is robust and reliable over a long period of use.
Des objets de l'invention sont réalisés par un kit de surveillance selon la revendication 1.Objects of the invention are realized by a surveillance kit according to
Dans la présente, on décrit un bracelet de surveillance électronique, comprenant un corps annulaire configuré pour être monté autour d'un membre ou d'un objet, et un système de surveillance électronique disposé dans le corps comprenant un système de détection d'intégrité, le corps annulaire étant sous forme d'une coque rigide renfermant une chambre ou plusieurs sections de chambre dans laquelle ou lesquelles des composants du système de surveillance électronique sont disposés, le corps annulaire faisant le tour entier du bracelet. Le système de surveillance électronique peut notamment comprendre en outre une source d'énergie, un système de localisation, et un système de communication pour la transmission des données de surveillance et d'intégritéIn the present, there is described an electronic monitoring bracelet, comprising an annular body configured to be mounted around a member or an object, and an electronic monitoring system disposed in the body comprising an integrity detection system, the annular body being in the form of a rigid shell enclosing a chamber or several chamber sections in which or components of the electronic monitoring system are arranged, the annular body making the entire round of the bracelet. In particular, the electronic monitoring system may include an energy source, a localization, and a communication system for transmitting surveillance and integrity data
Dans une forme d'exécution avantageuse, le système de détection d'intégrité comprend un capteur configuré pour détecter une atteinte à l'intégrité de la coque rigide du corps annulaire. Le capteur comprend un capteur de pression configuré pour détecter une variation de pression dans la chambre ou une ou plusieurs sections de chambre renfermées par la coque rigide.In an advantageous embodiment, the integrity detection system comprises a sensor configured to detect an impairment of the integrity of the rigid shell of the annular body. The sensor includes a pressure sensor configured to sense a pressure variation in the chamber or one or more chamber sections enclosed by the rigid shell.
Dans une forme d'exécution avantageuse, le corps annulaire est formé de deux parties séparées, configurées pour être montées autour d'un membre et être verrouillées ensemble.In an advantageous embodiment, the annular body is formed of two separate parts, configured to be mounted around a member and locked together.
Dans une forme d'exécution, le système de fermeture est configuré pour un verrouillage irréversible sans sa destruction, le système de fermeture comprenant un soudage à l'interface des parties de corps du bracelet. Dans une variante, l'interface d'au moins une des parties du corps comprend un fil de chauffage électrique connecté à une source d'énergie interne du bracelet disposée près d'une surface de l'interface et configurée pour chauffer par effet Joule pour effectuer une soudure des deux parties à l'interface. L'élément de chauffage peut être connecté à une électronique disposée dans le bracelet, permettant l'enclenchement de la soudure à l'interface par une commande à distance sans fil.In one embodiment, the closure system is configured for irreversible locking without its destruction, the closure system comprising welding at the interface of the body portions of the bracelet. Alternatively, the interface of at least one of the body parts comprises an electric heating wire connected to an internal energy source of the wristband disposed near a surface of the interface and configured to heat by Joule effect for perform a solder of the two parts to the interface. The heating element can be connected to an electronics arranged in the bracelet, allowing the welding at the interface to be engaged by a wireless remote control.
Selon un aspect avantageux, des composants formant le système de détection d'intégrité, la source d'énergie, le système de localisation et le système de communication sont disposés en plusieurs zones réparties autour du bracelet dans le corps.According to an advantageous aspect, components forming the integrity detection system, the energy source, the location system and the communication system are arranged in several zones distributed around the bracelet in the body.
Dans la présente invention, on décrit aussi un kit de surveillance comprenant un bracelet de surveillance électronique et une unité mobile de recharge sans fil, comprenant une ou plusieurs batteries rechargeables, et configurée pour être couplée mécaniquement de manière amovible au bracelet de surveillance pour effectuer une recharge de la source d'énergie interne et cela sans fil, le kit comprenant en outre une station de recharge pour recharger les batteries de l'unité de recharge.In the present invention, there is also described a monitoring kit comprising an electronic monitoring bracelet and a mobile wireless charging unit, comprising one or more rechargeable batteries, and configured to be mechanically coupled detachably to the monitoring bracelet. to recharge the internal power source wirelessly, the kit further comprising a charging station for recharging the batteries of the charging unit.
Des objets de l'invention sont aussi réalisés par un bracelet de surveillance électronique comprenant un corps annulaire configuré pour être monté autour d'un membre ou d'un objet, et un système de surveillance électronique disposé dans le corps, le système de surveillance électronique comprenant au moins un système de détection d'intégrité et une source d'énergie interne. Le système de détection d'intégrité comprenant au moins une enceinte et au moins un canal disposé dans le corps, le canal et l'enceinte faisant le tour du bracelet et comprenant en outre au moins un capteur configuré pour détecter une atteinte à l'intégrité du canal ou de l'enceinte. Le système de surveillance électronique peut comprendre en outre un système de localisation, et un système de communication pour la transmission des données de surveillance et d'intégrité.Objects of the invention are also made by an electronic monitoring bracelet comprising an annular body configured to be mounted around a limb or an object, and an electronic monitoring system disposed in the body, the electronic monitoring system comprising at least one integrity detection system and an internal energy source. The integrity detection system comprising at least one enclosure and at least one channel disposed in the body, the channel and the enclosure around the bracelet and further comprising at least one sensor configured to detect an impairment of integrity the canal or the enclosure. The electronic monitoring system may further include a location system, and a communication system for transmitting monitoring and integrity data.
Dans une forme d'exécution, ledit au moins un capteur comprend un capteur de pression. Ledit au moins un capteur de pression peut être disposé dans l'enceinte et configuré pour mesurer une variation de pression dans l'enceinte et/ou dans le canal.In one embodiment, said at least one sensor comprises a pressure sensor. Said at least one pressure sensor may be disposed in the enclosure and configured to measure a pressure variation in the enclosure and / or in the channel.
Dans une autre forme d'exécution, ledit au moins un capteur comprend un capteur à ultrasons. Dans une forme d'exécution avantageuse, il y a au moins deux transducteurs à ultrasons, comprenant un émetteur d'ultrasons et un détecteur d'ultrasons.In another embodiment, said at least one sensor comprises an ultrasonic sensor. In an advantageous embodiment, there are at least two ultrasonic transducers, including an ultrasonic transmitter and an ultrasonic detector.
Dans une variante, l'émetteur d'ultrason peut être disposé face à une extrémité du canal et le détecteur d'ultrasons face à l'autre extrémité du canal.In a variant, the ultrasound emitter may be arranged facing one end of the channel and the ultrasonic detector facing the other end of the channel.
Dans une variante, le système de détection d'intégrité comprend au moins un capteur à ultrasons disposé dans l'enceinte. Ledit au moins un capteur à ultrasons disposé dans l'enceinte peut être configuré pour détecter une atteinte à l'intégrité de l'enceinte, ou également une atteinte à l'intégrité du canal.In a variant, the integrity detection system comprises at least one ultrasonic sensor disposed in the enclosure. Said at least one ultrasonic sensor disposed in the enclosure may be configured to detect an impairment of the integrity of the enclosure, or also an impairment of the integrity of the channel.
Le canal peut être en communication fluidique avec l'enceinte, selon la variante.The channel may be in fluid communication with the enclosure, depending on the variant.
Dans des variantes avantageuses, le canal et/ou l'enceinte contient un fluide, le fluide pouvant être un gaz ou un liquide en sous-pression ou en surpression par rapport à la pression atmosphérique.In advantageous variants, the channel and / or the enclosure contains a fluid, the fluid may be a gas or a liquid under or overpressure relative to the atmospheric pressure.
Dans une variante, le système de surveillance comprend une carte électronique sur laquelle le système de communication, le système de localisation et la source d'énergie sont montés, la carte électronique étant disposée dans l'enceinte, ledit au moins un capteur d'intégrité étant monté sur la carte électronique.In a variant, the monitoring system comprises an electronic card on which the communication system, the location system and the energy source are mounted, the electronic card being disposed in the enclosure, said at least one integrity sensor being mounted on the electronic board.
Le système de communication peut avantageusement comprendre un transmetteur configuré pour la transmission de données sur un réseau de téléphonie mobile.The communication system may advantageously comprise a transmitter configured for data transmission over a mobile telephone network.
Le système de localisation peut avantageusement comprendre un capteur de signaux de positionnement par satellite (GPS). En fonction du domaine d'utilisation du bracelet, dans une variante, le système de localisation peut en plus, ou alternativement, comprendre un émetteur et/ou récepteur sans fil configuré pour communiquer avec un récepteur et/ou émetteur sans fil d'une station de base afin de détecter la présence du bracelet dans une zone de communication définie autour de la station de base. La station de base et le bracelet de surveillance peuvent par exemple comprendre chacun un émetteur-récepteur fonctionnant avec un ou plusieurs protocoles de communication sans fil tels que Bluetooth, Wi-Fi, Zigbee ou encore d'autres protocoles de communication. Lorsque le bracelet ne se trouve plus dans la zone de communication sans fil, une alarme peut être émise par la station de base à un central de surveillance.The location system may advantageously comprise a satellite positioning signal (GPS) sensor. Depending on the field of use of the bracelet, in a variant, the location system may additionally, or alternatively, include a transmitter and / or wireless receiver configured to communicate with a wireless receiver and / or transmitter of a station base to detect the presence of the bracelet in a defined communication area around the base station. The base station and the monitoring bracelet may for example each comprise a transceiver operating with one or more wireless communication protocols such as Bluetooth, Wi-Fi, Zigbee or other communication protocols. When the bracelet is no longer in the wireless communication zone, an alarm can be issued by the base station to a central monitoring.
Dans une variante, le corps du bracelet comprend un système de fermeture permettant la mise en place du bracelet autour d'un membre ou d'un objet et comprend un moyen de fixation qui est irréversible sauf atteinte définitive à l'intégrité du bracelet (bracelet cassé volontairement).In one variant, the body of the bracelet comprises a closure system enabling the bracelet to be placed around a limb or an object and comprises a fastening means that is irreversible unless the bracelet is permanently damaged (bracelet broken voluntarily).
Le moyen de fixation peut avantageusement comprendre une soudure de deux parties d'interface du bracelet.The fixing means may advantageously comprise a weld of two interface parts of the bracelet.
Selon la variante, le corps peut contenir un orifice pour la mise sous vide partiel ou la mise en surpression du canal et/ou de l'enceinte après la mise en place du bracelet autour d'un membre ou d'un objet, l'orifice étant scellé après la mise sous vide partiel ou en surpression.According to the variant, the body may contain an orifice for the partial evacuation or the overpressure of the channel and / or the enclosure after the introduction of the bracelet around a member or an object, the port being sealed after partial vacuum or overpressure.
D'autres buts et aspects avantageux de l'invention apparaitront à la lecture des revendications, ainsi que de la description détaillée de formes d'exécution ci-après, et des dessins annexés, dans lesquels :
- La
Fig. 1a est une vue en coupe schématique d'un bracelet de surveillance selon une première forme d'exécution de l'invention ; - La
Fig. 1b est une vue en coupe schématique d'une partie du bracelet de lafigure 1 a ; - La
Fig. 2a est une vue en coupe schématique d'un bracelet de surveillance selon une deuxième forme d'exécution de l'invention ; et - La
Fig. 2b est une vue en coupe schématique de lafigure 2a . - La
Fig. 3a est une vue en coupe schématique d'un bracelet de surveillance selon une troisième forme d'exécution de l'invention; - La
Fig. 3b est une vue en perspective du bracelet de surveillance de laFig. 3a en deux parties avant montage; - La
Fig. 3c est une vue en perspective détaillée d'une partie du système de fermeture du bracelet de laFig. 3b ; - La
Fig. 4a est une vue en perspective d'un bracelet de surveillance et d'une source d'énergie externe pour la recharge du bracelet selon une forme d'exécution de l'invention; - La
Fig. 4b est une vue similaire à laFig. 4a , montrant la source d'énergie externe connectée au bracelet; - La
Fig. 4c est une vue en perspective de la source d'énergie externe connectée à une station de base pour la recharge de la source d'énergie externe; - La
Fig. 5 est un diagramme montrant un bracelet de surveillance dans un contexte global en communication avec des systèmes externes de localisation par satellite, de transfert de données par téléphonie mobile et de traitement de données sur des serveurs ; - La
Fig. 6a est une vue en perspective d'un bracelet de surveillance selon une forme d'exécution de l'invention ; - La
Fig. 6b est une vue en perspective du bracelet de surveillance de laFig. 6a en deux parties avant montage; - La
Fig. 6c est une vue en perspective du bracelet de surveillance de laFig. 6b avec le corps rigide annulaire en éclaté ; - La
Fig. 6d est une vue en perspective du bracelet de surveillance de laFig. 6c en éclaté ; - La
Fig. 7 est une vue en coupe d'un système de fermeture réversible d'un bracelet de surveillance selon une forme d'exécution de l'invention ; - La
Fig. 8a est une vue en perspective du bracelet de surveillance de lafigure 6a et d'une source d'énergie externe pour la recharge du bracelet selon une forme d'exécution de l'invention; - La
Fig. 8b est une vue similaire à laFig. 8a , montrant la source d'énergie externe connectée au bracelet; - La
Fig. 8c est une vue en perspective de la source d'énergie externe connectée à une station de base pour la recharge de la source d'énergie externe.
- The
Fig. 1a is a schematic sectional view of a monitoring bracelet according to a first embodiment of the invention; - The
Fig. 1b is a schematic sectional view of a part of the bracelet of thefigure 1 at ; - The
Fig. 2a is a schematic sectional view of a monitoring bracelet according to a second embodiment of the invention; and - The
Fig. 2b is a schematic sectional view of thefigure 2a . - The
Fig. 3a is a schematic sectional view of a monitoring bracelet according to a third embodiment of the invention; - The
Fig. 3b is a perspective view of the bracelet monitoring theFig. 3a in two parts before assembly; - The
Fig. 3c is a detailed perspective view of part of the bracelet closure system of theFig. 3b ; - The
Fig. 4a is a perspective view of a monitoring bracelet and an external power source for charging the bracelet according to one embodiment of the invention; - The
Fig. 4b is a view similar to theFig. 4a , showing the external energy source connected to the bracelet; - The
Fig. 4c is a perspective view of the external power source connected to a base station for recharging the external power source; - The
Fig. 5 is a diagram showing a monitoring bracelet in a global context in communication with external systems of satellite location, mobile data transfer and data processing on servers; - The
Fig. 6a is a perspective view of a monitoring bracelet according to one embodiment of the invention; - The
Fig. 6b is a perspective view of the bracelet monitoring theFig. 6a in two parts before assembly; - The
Fig. 6c is a perspective view of the bracelet monitoring theFig. 6b with the rigid annular body exploded; - The
Fig. 6d is a perspective view of the bracelet monitoring theFig. 6c exploded; - The
Fig. 7 is a sectional view of a reversible closure system of a monitoring bracelet according to one embodiment of the invention; - The
Fig. 8a is a perspective view of the bracelet monitoring thefigure 6a and an external power source for charging the bracelet according to one embodiment of the invention; - The
Fig. 8b is a view similar to theFig. 8a , showing the external energy source connected to the bracelet; - The
Fig. 8c is a perspective view of the external power source connected to a base station for recharging the external power source.
Faisant référence aux figures, un bracelet de surveillance électronique 1, selon différentes formes d'exécution, comprend un corps ou boîtier 2 de forme générale annulaire, configuré pour être monté autour d'un poignet ou d'une cheville d'une personne, porteur du bracelet électronique, et un système de surveillance électronique 3 disposé dans le corps ou boîtier.Referring to the figures, an
Le bracelet de surveillance électronique peut également être employé pour d'autres applications que celle de la surveillance de personnes, par exemple, il peut être placé autour d'un système de fermeture d'un bien ou de tout autre objet de valeur que l'on souhaite surveiller, notamment pour s'assurer que l'objet n'a pas été ouvert, et optionnellement encore pour avoir une trace du déplacement de l'objet ou du bien.The electronic monitoring bracelet can also be used for other applications than the surveillance of people, for example, it can be placed around a closing system of a good or any other valuable object that the we want to monitor, in particular to ensure that the object has not been opened, and optionally still to have a record of the movement of the object or property.
Avant l'utilisation, le corps du bracelet est ouvert au moins à une interface 7, mais peut également être fourni en deux parties séparées 2a, 2b formant deux interfaces 7a, 7b, fermées par un système de fermeture 6.Before use, the body of the bracelet is open at least at an interface 7, but can also be provided in two
Le système de fermeture peut être un système irréversible ou permanent, à savoir, il ne peut être ré-ouvert pour enlever le bracelet de surveillance sans dommage au bracelet, représentant une atteinte à l'intégrité du bracelet. Le système de fermeture peut comprendre des moyens mécaniques, tel qu'un connecteur formé de protubérances (par exemple en tête de flèche) ou de languettes sur une partie insérées dans un orifice ou une cavité complémentaire (par exemple avec des épaules pour engager les protubérances ou languettes) sur l'autre partie. Après l'insertion, la séparation des parties du connecteur est bloquée. Le système de fermeture peut également comprendre un soudage, par exemple un soudage par ultrasons, ou un collage par une colle à l'interface des parties de bracelet couplées ensemble. Le système de fermeture peut également comprendre une combinaison d'une fixation mécanique des deux parties du bracelet dans la position fermée et d'un collage ou soudage de l'interface de couplage. Le système de fermeture pourrait également comprendre un sertissage, par exemple un anneau en métal serti autour de l'interface de couplage.The closure system can be an irreversible or permanent system, namely, it can not be re-opened to remove the monitoring bracelet without damage to the bracelet, representing an attack on the integrity of the bracelet. The closure system may comprise mechanical means, such as a connector formed by protuberances (for example at the head of the arrow) or tabs on a portion inserted in a hole or a complementary cavity (for example with shoulders to engage the protuberances or tongues) on the other part. After insertion, the separation of the parts of the connector is blocked. The closure system may also include welding, for example ultrasonic welding, or glue bonding at the interface of the bracelet portions coupled together. The closure system may also include a combination of a mechanical attachment of the two parts of the bracelet in the closed position and a bonding or welding of the coupling interface. The closure system could also include a crimp, for example a metal ring crimped around the coupling interface.
Dans une variante alternative, le système de fermeture peut être un système réversible avec un mécanisme de verrouillage pouvant être ouverte avec une clé ou un code électronique de sorte à pouvoir enlever le bracelet sans destruction.In an alternative embodiment, the closure system may be a reversible system with a locking mechanism that can be opened with a key or an electronic code so that the bracelet can be removed without destruction.
Faisant référence aux
Dans une variante, telle qu'illustrée dans les
Dans une variante, un fil conducteur très fin est bobiné autour de l'extension dans une petite rainure, par exemple une rainure hélicoïdale à la surface de l'extension 19a. Alternativement, le fil est disposé près de la surface extérieure de l'extension, mais surmoulé et, par conséquent, sous la surface extérieure. Le soudage d'un tube d'extension dans une cavité complémentaire permet d'assurer une fermeture hermétique entre les deux parties du corps, et notamment du canal 8 dans le bracelet. Un fil de chauffage électrique peut également être fourni à la surface de l'interface du corps disposé autour de 7a, 7b pour souder également les faces venant en butée l'une contre l'autre des deux parties de corps.In a variant, a very fine conductive wire is wound around the extension in a small groove, for example a helical groove on the surface of the
Dans une variante, au lieu d'un soudage entre les parties du corps 2a, 2b, on peut également prévoir une fermeture au moyen d'une colle ou d'un autre liant activable thermiquement ou optiquement au moyen d'une diode lumineuse disposé dans l'interface.In a variant, instead of welding between the
Faisant référence à la forme d'exécution illustrée dans les
Lors de la fermeture, la forme biseautée 49 des extrémités des extensions 19a facilite la pénétration et repousse les plongeurs 44 dans l'électro-aimant. Un chanfrein 51 pratiqué à l'entrée de chaque cavité 19b permet de guider et comprimer le joint 50a. En fermeture complète, les deux moitiés de bracelet sont emboîtées, les extensions 19a pénètrent dans les cavités 19b, et les plongeurs 44 sont poussés dans une position de fermeture où ils sont insérés dans les logements complémentaires 53.When closing, the tapered
En ouverture, une électronique de commande embarquée dans le bracelet alimente les électro-aimants des serrures placée de chaque côté du bracelet. L'excitation des électro-aimants attire les deux plongeurs 44 qui libèrent ainsi les logements 53.In opening, a control electronics embedded in the bracelet feeds the electromagnets locks placed on each side of the bracelet. The excitation of the electromagnets attracts the two
Comme il est indispensable de garantir la fermeture des quatre points d'attache du bracelet, deux capteurs de courant sont placés sur la ligne d'alimentation de chacun des deux électro-aimants. La position des deux plongeurs modifie de façon très notable l'inductance propre mesurée aux bornes du solénoïde (bobine), ce qui permet de déterminer avec précision si les deux plongeurs sont bien relâchés dans le logement 53 des deux manchons ou pas. Cette mesure peut être faite en imposant un saut de tension au solénoïde et en mesurant le temps d'établissement du courant le traversant. L'actuateur est conçu de telle façon que l'inductance propre varie grandement selon la position des plongeurs afin d'une part de faciliter la mesure mais également de réduire le courant d'excitation dès que les plongeurs sont rétractés, ceci afin d'économiser l'énergie. De plus, comme il arrive que le champ magnétique rémanent peut à la longue empêcher l'un voire les deux plongeurs de ressortir, le dispositif de commande permet d'inverser le courant d'excitation afin de supprimer ce champ rémanent et ainsi garantir que les deux plongeurs ressortent après la période d'ouverture.As it is essential to guarantee the closure of the four points of attachment of the bracelet, two current sensors are placed on the supply line of each of the two electromagnets. The position of the two plungers very significantly modifies the self-inductance measured across the solenoid (coil), which makes it possible to determine with precision whether the two plungers are well released in the
Pour des raisons de sécurité de la personne, lorsque des conditions exceptionnelles rendent la chose indispensable, il est peut être nécessaire de couper le bracelet (accident de voiture, membre coincé, etc). La fonction de l'invention est de s'assurer que la coupure est toujours détectée et non d'empêcher cette coupure. La possibilité de coupure du bracelet peut être facilitée par une rainure 54 formant un fusible mécanique sur le manchon de telle manière que l'épaisseur de matière restante dans la section de la rainure peut être cassée par exemple par un secouriste ou être arrachée de force.For reasons of safety of the person, when exceptional conditions make the thing essential, it may be necessary to cut the bracelet (car accident, stuck member, etc.). The function of the invention is to ensure that the cut is always detected and not to prevent this cut. The possibility of cutting the bracelet can be facilitated by a
Faisant surtout référence aux
Le système de communication 16 pour la transmission de données de surveillance est de préférence basé sur un système de communication par le réseau de téléphonie mobile 22 utilisant des protocoles de communication connus pour la transmission de données, tels que GPRS, EDGE ou autres selon les systèmes de communication utilisés sur le territoire de surveillance. Les données transmises 23 peuvent comprendre notamment un identifiant du bracelet ou encore un code d'authentification, la position du bracelet fourni par le système de localisation 14, et une information signalant l'état du bracelet, à savoir soit un état de fonctionnement normal, soit une anomalie qui déclenche une alarme nécessitant l'intervention de l'autorité de surveillance. Le système de communication peut également transmettre d'autres informations, telles que l'état de charge de la batterie ou encore un historique sur un temps donné sur la localisation du bracelet stockée en mémoire dans le bracelet. Les données de surveillance sont de préférence cryptées avant leur transmission, afin d'éviter une manipulation ou une lecture non-autorisée des données.The
Les données 23 transmises sur le réseau de téléphonie mobile 22 peuvent, dans un premier temps, être reçues sur le serveur 26 de l'opérateur du réseau de téléphonie mobile, et ensuite être transmises à des serveurs 25, par exemple par la voie du réseau dit "internet" au moyen d'une communication sécurisée, les données étant stockées sur les serveurs 25 et accessibles au moyen d'une connexion sécurisée et authentifiée par le central de surveillance 24. Afin d'assurer la confidentialité des données de surveillance, ces données peuvent être réparties sur plusieurs serveurs 25a, 25b, 25c, la recomposition des données nécessitant des codes et des logiciels spéciaux.The
La source d'énergie, le système de localisation, le système de communication ainsi que la partie électronique du système de détection d'intégrité 4 peuvent être montés sur une ou plusieurs carte(s) électronique(s) 18 disposée(s) dans une enceinte 9 pour l'électronique dans le corps ou boîtier 2. Il est également possible d'avoir des composants électroniques distribués à deux ou trois endroits dans le boîtier sur plusieurs cartes électroniques avec un substrat rigide ou flexible. Toutefois, dans une forme d'exécution préférentielle, l'électronique est concentrée sur une seule carte afin de réduire les coûts de fabrication. L'enceinte 9 peut être remplie d'un gaz ou contenir un gaz, ou peut être remplie par une résine coulée autour de l'électronique afin de protéger les composants.The energy source, the location system, the communication system as well as the electronic part of the
Dans une forme d'exécution avantageuse, différents éléments installés à l'intérieur du corps ou boîtier 2 peuvent être distribués dans le corps à différents endroits, faisant le tour du corps afin de répartir le poids, et également permettre de réduire la section du corps pour un confort d'usage plus élevé et également un port du bracelet de surveillance plus discret. En effet, dans des bracelets de surveillance conventionnels, l'ensemble des composants actifs sont typiquement rassemblés dans un boîtier couplé à un bracelet souple, seul le bracelet faisant le tour de la cheville ou du poignet. Dans ce bracelet conventionnel, le boîtier est disposé donc seulement d'un côté de la cheville ou du poignet. Dans l'invention, la répartition des composants à l'intérieur du bracelet permet également d'augmenter la sécurité contre une tentative de tromper le système de maintien d'intégrité, la position des divers composants à l'intérieur du boîtier n'étant pas connue de manière précise. Afin de répartir les composants dans le boîtier, on peut par exemple avoir la carte électronique d'un côté du bracelet, et la source d'énergie, notamment une batterie, de l'autre côté du bracelet.In an advantageous embodiment, various elements installed inside the body or
Dans des formes d'exécution avantageuses, le système de détection d'intégrité comprend un canal 8 (que nous appellerons ci-après aussi "canal annulaire") s'étendant d'une extrémité de l'enceinte 9 pour l'électronique à l'autre extrémité de l'enceinte faisant ainsi le tour du bracelet. L'intégrité de ce canal 8 et de l'enceinte 9 permet de définir l'intégrité du bracelet de surveillance électronique en usage, au moyen d'au moins un capteur 10, 10a, 10b, 11a, 11b, qui peut être, dans une forme d'exécution préférée, disposé ou monté au moins partiellement dans l'enceinte 9.In advantageous embodiments, the integrity detection system comprises a channel 8 (hereinafter referred to as "annular channel") extending from one end of the
Dans une forme d'exécution préférée, le canal contient un gaz. Dans d'autres variantes, le canal peut contenir un solide ou autre matériau conducteur d'ultrasons avec une impédance aux ondes acoustiques différente du corps ou boîtier entourant le canal.In a preferred embodiment, the channel contains a gas. In other embodiments, the channel may contain a solid or other ultrasonic conductive material with acoustic wave impedance different from the body or housing surrounding the channel.
Dans les formes d'exécution illustrées dans la
Un avantage important de l'utilisation d'un générateur et détecteur d'ultrasons pour vérifier l'intégrité du canal faisant le tour du bracelet est la faible consommation d'énergie et, par conséquent, la plus grande autonomie, tout en assurant une détection très fiable ainsi qu'un système très robuste. Le signal acoustique peut être transmis par impulsions très courtes, d'une durée de quelques microsecondes, à des intervalles inférieurs à une seconde, ou même à des intervalles supérieurs si une plus grande autonomie est souhaitée.An important advantage of using an ultrasonic generator and detector to check the integrity of the channel running around the bracelet is the low power consumption and, therefore, the longer battery life, while ensuring detection. very reliable as well as a very robust system. The acoustic signal can be transmitted in very short pulses, lasting a few microseconds, at intervals of less than one second, or even at higher intervals if greater autonomy is desired.
Afin de vérifier l'intégrité de l'enceinte 9 pour l'électronique, dans une variante, il y a également un émetteur d'ultrasons 11a et un détecteur d'ultrasons 11b disposés dans l'enceinte à des positions séparées, par exemple montés sur la carte électronique 18 et dirigés vers une paroi 15 de l'enceinte, fonctionnant selon le même principe que les capteurs 10a, 10b. Une rupture ou un écrasement de l'enceinte 9 influence le signal acoustique et peut être détectée.In order to verify the integrity of the
Dans une variante, il est possible d'avoir une seule paire de capteurs comprenant un détecteur et un émetteur, disposés dans l'enceinte 9 et configurés pour émettre le signal d'ultrasons pour qu'il ne parcourt pas seulement le canal 8 mais également l'enceinte 9, permettant de réduire le nombre de composants.In a variant, it is possible to have a single pair of sensors comprising a detector and a transmitter, arranged in the
Dans des variantes, il est également envisageable d'avoir un seul capteur d'ultrasons ayant une fonction d'émetteur et de détecteur, disposé à une extrémité du canal 8 et/ou dans l'enceinte 9 et configuré pour émettre un signal d'ultrasons et ensuite de le détecter quelques microsecondes plus tard lorsque le signal aura fait le tour du bracelet et/ou aura réfléchi de la paroi de l'enceinte.In variants, it is also conceivable to have a single ultrasonic sensor having an emitter and detector function, disposed at one end of the
Le module lié aux ultrasons se charge d'une part de générer un signal ultrasonique et d'autre part de capturer le signal généré et de l'analyser. Le signal ultrasonique peut avoir par exemple une fréquence de 40kHz, mais d'autres fréquences ultrasoniques peuvent convenir, et peut être continu ou pulsé. En mode continu, la phase est mesurée alors qu'en mode pulsé on peut mesurer le temps de parcours. Les deux cas peuvent servir également à déterminer la réponse impulsionnelle du canal.The ultrasound-related module is responsible on the one hand for generating an ultrasonic signal and on the other hand for capturing the generated signal and for analyzing it. The ultrasonic signal may have, for example, a frequency of 40 kHz, but other ultrasonic frequencies may be suitable, and may be continuous or pulsed. In continuous mode, the phase is measured whereas in pulsed mode it is possible to measure the travel time. Both cases can also be used to determine the impulse response of the channel.
Afin de mesurer la phase, le signal ultrasonique peut être produit en continu ; une fois le signal stabilisé la phase est mesurée sur plusieurs périodes afin de faire une moyenne instantanée. Une fois la mesure terminée, la phase est calculée et la génération du signal est arrêtée.In order to measure the phase, the ultrasonic signal can be produced continuously; once the signal is stabilized the phase is measured over several periods to make an instantaneous average. Once the measurement is complete, the phase is calculated and the signal generation is stopped.
Afin de mesurer le temps de parcours, le signal ultrasonique peut être produit de façon pulsée puis on attend que ce dernier se propage dans le canal. En temps voulu, l'acquisition du signal est enclenchée et cette dernière se fait sur quelques dizaines de périodes du signal ultrasonique. L'amplitude du signal reçu suit à peu près une courbe de Gauss. Une fois toutes les mesures enregistrées, la position de l'amplitude maximum est calculée et le temps de parcours du signal en est déduit.In order to measure the travel time, the ultrasonic signal can be pulsed and then wait for the latter to propagate in the channel. In due course, the acquisition of the signal is triggered and the latter is done over a few tens of periods of the ultrasonic signal. The amplitude of the received signal follows roughly a Gaussian curve. Once all the measurements are recorded, the position of the maximum amplitude is calculated and the signal travel time is deduced.
Le transducteur ultrasonique met du temps à démarrer les oscillations et lorsqu'on lui applique une excitation courte, l'amplitude du signal va augmenter de période en période et une fois l'excitation stoppée, le transducteur va continuer d'osciller avec une amplitude décroissante. Le signal généré, et donc celui reçu, sera ainsi composé de plusieurs oscillations dont l'amplitude suit une sorte de courbe de Gauss.The ultrasonic transducer takes a long time to start the oscillations and when it is applied a short excitation, the amplitude of the signal will increase from period to period and once the excitation stopped, the transducer will continue to oscillate with decreasing amplitude . The signal generated, and therefore that received, will thus be composed of several oscillations whose amplitude follows a kind of Gaussian curve.
Afin de mesurer la réponse impulsionnelle, le signal peut être généré de manière pulsée ou continue. La forme de la réponse impulsionnelle du canal dépend de la géométrie de celui-ci. Les conditions physiques n'influencent principalement que les paramètres généraux de la réponse impulsionnelle et non la forme générale de celle-ci pour autant que les conditions physiques restent dans le domaine des conditions de la vie normale.In order to measure the impulse response, the signal can be pulsed or continuous. The shape of the impulse response of the channel depends on the geometry of the channel. The physical conditions mainly influence only the general parameters of the impulse response and not the general form of the impulse response provided that the physical conditions remain in the field of the conditions of normal life.
Dans les trois cas de figure précédents, le traitement du signal tient compte des conditions physiques dans lesquelles se trouve le bracelet, notamment la température et la pression de l'air, ainsi que la composition gazeuse dudit air, qui influencent sa densité, et donc la vitesse de propagation du son dans le canal.In the three preceding cases, the signal processing takes into account the physical conditions in which the bracelet is located, in particular the temperature and the air pressure, as well as the gaseous composition of said air, which influence its density, and therefore the speed of sound propagation in the channel.
Afin d'optimiser les paramètres de l'algorithme de mesure, un auto-calibrage est effectué lorsque le bracelet est posé afin de tenir compte également des variations de forme éventuelles du canal ou d'un changement de la composition gazeuse de l'air.In order to optimize the parameters of the measurement algorithm, self-calibration is performed when the bracelet is placed in order to take into account any variations in the shape of the channel or a change in the gaseous composition of the air.
Dans une forme d'exécution, le système de détection d'intégrité comprend un capteur de pression statique 10 disposé dans l'enceinte, ou encore à une ou aux deux extrémités du canal 8, configuré pour détecter une variation de pression dans le canal et/ou dans l'enceinte, soit une augmentation de pression, soit une diminution de pression, soit les deux. Lorsque la variation de pression est au-delà d'un seuil prédéterminé, une anomalie est signalée. Dans cette forme d'exécution, l'enceinte et le canal sont remplis d'un fluide à une pression différente de la pression atmosphérique, soit un vide partiel, soit une surpression. Lorsque l'intégrité du canal ou de l'enceinte est affectée, notamment si le canal ou l'enceinte est percé, la chute de pression dans le cas de surpression ou l'augmentation de pression dans le cas d'un vide partiel est détectée par le capteur de pression. Le fluide peut simplement être de l'air, notamment dans une variante avec une enceinte et un canal sous vide partiel. Le fluide peut aussi être un gaz avec de grandes molécules, tel que de l'azote, notamment pour des variantes en surpression, afin de diminuer le taux de diffusion de molécules de gaz à travers le corps causant une chute de pression dans le temps. Un orifice 17 à travers le corps permet de soustraire de l'air avant de sceller l'orifice. On peut également utiliser l'orifice pour injecter un gaz pour mettre l'enceinte et le canal en surpression.In one embodiment, the integrity detection system comprises a
Selon un aspect très avantageux de l'invention, le boîtier 2 du bracelet peut être sous forme d'une coque rigide ou semi-rigide faisant le tour complet, à savoir une coque autoportante qui offre une certaine résistance contre son écrasement. Cela permet de protéger les composants disposés dans une chambre 27 formée à l'intérieur du boîtier. Le boîtier 2 est donc sous la forme d'une coque renfermant une chambre dans laquelle les divers composants sont disposés. Dans les bracelets conventionnels, la partie électronique est disposée dans une boîte qui est fixée ou montée sur une ceinture souple, formant le bracelet qui fait le tour de la cheville du porteur. Le poids et l'encombrement de la boîte électronique disposée d'un côté extérieur de la cheville sont inconfortables et exposés à des chocs causant des défaillances ou une rupture involontaire du bracelet de surveillance. Dans l'invention, la coque essentiellement lisse et de section essentiellement constante ou homogène faisant le tour du bracelet n'offre aucune épaule ou protubérance qui pourrait s'accrocher aux objets externes et, dans le cas d'une coque rigide ou semi-rigide offre une protection contre les chocs externes. Un avantage important de cet aspect de l'invention et que les divers composants électroniques, tels que la carte électronique 18, les batteries 12, l'antenne 62 de télécommunication mobile et d'autres composants peuvent êtres distribués tout autour du bracelet à l'intérieur 27 de la coque rigide annulaire 2 pour distribuer le poids et réduire l'épaisseur et l'encombrement du bracelet, tout en augmentant la fiabilité, la sécurité et le confort.According to a very advantageous aspect of the invention, the
Il est également possible d'avoir à l'intérieur du boîtier 2, un vide partiel ou un gaz en surpression par rapport à la pression ambiante, afin de détecter une atteinte à l'intégrité du boîtier en détectant une variation de pression par un capteur de pression disposé dans le boîtier. La chambre 27 à l'intérieur du boîtier 2 en forme de coque peut donc avoir la fonction du canal 8 décrit précédemment au lieu et en place du canal 8 illustré dans les variantes des
On peut combiner les capteurs et la mise en surpression / sous-pression / pression ambiante décrites ci-dessus pour former différentes variantes de l'invention, notamment :
une enceinte 9 essentiellement à la pression ambiante, hermétiquement scellée parrapport au canal 8 en surpression ou sous-pression par rapport à la pression ambiante, avec un capteur d'ultrasons pour l'enceinte et un capteur de pression dans le canal;une enceinte 9 en surpression ou en sous-pression par rapport à la pression ambiante, hermétiquement scellée parrapport au canal 8 en surpression ou sous-pression par rapport à la pression ambiante, avec un capteur d'ultrasons pour le canal et un capteur de pression dans l'enceinte ;une enceinte 9 en surpression ou en sous-pression par rapport à la pression ambiante, hermétiquement scellée parrapport au canal 8 essentiellement à la pression ambiante, avec un capteur d'ultrasons pour le canal et un capteur de pression dans l'enceinte ;une enceinte 9 en communication fluidique avec lecanal 8 en surpression ou sous-pression par rapport à la pression ambiante, avec seulement un ou plusieurs capteurs de pression dans l'enceinte ou le canal;une enceinte 9 en communication fluidique avec lecanal 8 en surpression ou sous-pression par rapport à la pression ambiante, avec un ou plusieurs capteurs de pression dans l'enceinte ou le canal et en sus un ou plusieurs capteurs d'ultrasons pour le canal et/ou l'enceinte;une enceinte 9 en communication fluidique avec lecanal 8 en surpression ou sous-pression par rapport à la pression ambiante, avec seulement un ou plusieurs capteurs d'ultrasons pour le canal et/ou l'enceinte;une enceinte 9 en communication fluidique avec lecanal 8 essentiellement à pression ambiante, avec seulement un ou plusieurs capteurs d'ultrasons pour le canal et/ou l'enceinte.
- an
enclosure 9 substantially at ambient pressure, hermetically sealed with respect to thechannel 8 under pressure or underpressure with respect to the ambient pressure, with an ultrasonic sensor for the chamber and a pressure sensor in the channel; - an
enclosure 9 under pressure or under pressure with respect to the ambient pressure, hermetically sealed with respect to thechannel 8 at an overpressure or underpressure with respect to the ambient pressure, with an ultrasonic sensor for the channel and a sensor for pressure in the enclosure; - an
enclosure 9 under pressure or underpressure with respect to the ambient pressure, hermetically sealed with respect to thechannel 8 essentially at ambient pressure, with an ultrasonic sensor for the channel and a pressure sensor in the chamber; - an
enclosure 9 in fluid communication with thechannel 8 in overpressure or underpressure with respect to the ambient pressure, with only one or more pressure sensors in the enclosure or the channel; - an
enclosure 9 in fluid communication with thechannel 8 under pressure or underpressure with respect to the ambient pressure, with one or more pressure sensors in the enclosure or the channel and in addition one or more ultrasonic sensors for the channel and / or the enclosure; - an
enclosure 9 in fluid communication with thechannel 8 at overpressure or underpressure with respect to the ambient pressure, with only one or more ultrasonic sensors for the channel and / or the enclosure; - an
enclosure 9 in fluid communication with thechannel 8 essentially at ambient pressure, with only one or more ultrasonic sensors for the channel and / or the enclosure.
La circonférence du bracelet, et par conséquent la longueur du canal 8, peut varier d'un bracelet à l'autre, notamment pour pouvoir être adaptée aux mensurations du poignet ou de la cheville du porteur. Le système de fermeture pourrait être dans ce cas ajustable afin de pouvoir serrer l'objet jusqu'au diamètre souhaité. Alternativement, des parties de boitier 2a, 2b de tailles différentes peuvent êtres fournies.The circumference of the bracelet, and therefore the length of the
La calibration du capteur ou des capteurs d'ultrasons et/ou de pression, selon des formes d'exécution et des variantes, peut être effectuée une fois que le bracelet est mis en place sur le porteur. La procédure de calibration peut comprendre un stockage dans une mémoire de l'électronique, d'un signal du capteur peu après sa mise en place sur le porteur, constituant une valeur de référence indiquant un bracelet intègre. On peut fixer des seuils de valeur prédéterminés pour ce signal afin d'assurer que la calibration se fait sur un bracelet intègre, notamment que la mise en place et la fermeture du bracelet sont correctes, en comparant la valeur de référence après calibration avec des valeurs de seuil prédéterminées qui tiennent compte des variations possibles de géométrie du bracelet, mais qui écartent des défaillances d'intégrité en dehors de ces mesures ou ces valeurs permises.The calibration of the sensor or ultrasonic and / or pressure sensors, according to embodiments and variants, can be performed once the bracelet is placed on the carrier. The calibration procedure may include a storage in a memory of the electronics, a sensor signal shortly after its introduction on the carrier, constituting a reference value indicating an integral bracelet. It is possible to set predetermined value thresholds for this signal in order to ensure that the calibration is done on an integral bracelet, in particular that the setting up and closing of the bracelet are correct, by comparing the reference value after calibration with values predetermined thresholds that take into account possible variations in the geometry of the bracelet, but that avoid integrity failures outside of these measures or these permitted values.
Faisant référence aux
Claims (15)
- A monitoring kit comprising an electronic monitoring bracelet, a recharging unit (28) comprising one or more rechargeable batteries, and a base station or recharging station (32) independent of the recharging unit and configured to be connected by wire to the electricity network, the monitoring bracelet comprising a ring-shaped body (2) configured to be opened at least at one interface (7) so as to be mounted around a limb or an object, and an electronic monitoring system positioned in the body, the electronic monitoring system comprising an integrity detection system (4) and an internal source of energy (12), the recharging unit (28) being configured to be mechanically coupled in a removable way with the monitoring bracelet in order to perform wireless recharging of the internal source of energy (12) on the one hand, and on the other hand the recharging unit is configured to be connected to the base station or recharging station (32) for recharging the batteries of the recharging unit (28) while the recharging unit is not coupled to the bracelet.
- The monitoring kit according to the preceding claim, characterized in that the ring-shaped body (2) is in the form of a rigid shell containing a chamber or several chamber sections in which components of the electronic monitoring system are positioned, the ring-shaped body is in the form of a rigid shell entirely encircling the bracelet.
- The monitoring kit according to the preceding claim, characterized in that the ring-shaped body is formed with two separate portions (2a, 2b), configured so as to be mounted around a limb and locked together.
- The monitoring kit according to any of the preceding claims, characterized in that the monitoring bracelet comprises a closing system (6) configured for a reversible locking, the closing system comprising an electromagnet (40) mounted in one of the ring-shaped body portions (2b), comprising a coil (42) and one or two pins (44) slidably mounted in a cavity (43) in the centre of the electromagnet and each biased by a compression spring (46) in a closed position where they are inserted in a complementary cavity (53) in an extension (19a) of the other body portion (2a).
- The monitoring kit according to the preceding claim, characterized in that the compression springs press against a core (52) situated in the centre of the coil, the displacement of each pin being limited towards the exterior by a shoulder (45) formed on the pin engaging a stop (47) in a non-magnetic material in the housing (41) of the closing system.
- The monitoring kit according to claim 4 or 5, characterized in that it the extensions (19a) are provided with grooves (54) calibrated to rupture on application of a force superior to a pre-determined value.
- The monitoring kit according to any of the preceding claims, characterized in that the monitoring system further comprises a localization system (14), and a communications system (16) for transmitting monitoring and integrity data, and in that components for forming the integrity detection system and the source of energy, the localization system and the communications system are positioned in several areas distributed around the bracelet in the body.
- The monitoring kit according to any of the preceding claims, characterized in that the integrity detection system comprises at least one enclosure (9) and at least one channel (8) positioned in the body (2), the channel and the enclosure entirely encircling the bracelet and further comprising at least one sensor configured for detecting violation to the integrity of the channel (8) or of the enclosure (9).
- The monitoring kit according to the preceding claim, characterized in that the monitoring system comprises an electronic card (18) positioned in the enclosure (9).
- The monitoring kit according to claim 8 or 9 characterized in that the channel and/or the enclosure contain(s) an under-pressurized or over-pressurized gas relatively to atmospheric pressure.
- The monitoring kit according to any of the preceding claims, characterized in that the integrity detection system (4) comprises at least one sensor configured for detecting violation to the integrity of the rigid shell of the ring-shaped body.
- The monitoring kit according to claim 8 or 11, characterized in that said at least one sensor comprises a pressure sensor and/or an ultrasound sensor.
- The monitoring kit according to any of the preceding claims, characterized in that the monitoring system comprises a communication system (16) for transmission of the monitoring and integrity data, the communication system comprising a transmitter configured for the transmission of data over a mobile phone network.
- The monitoring kit according to any of the preceding claims, characterized in that the monitoring system comprises a localization system comprises a sensor of satellite positioning signals.
- The monitoring kit according to the preceding claim, characterized in that the localization system additionally or alternatively comprises a wireless transmitter and/or receiver configured for communicating with a wireless receiver and/or transmitter of the base station in order to detect the presence of the bracelet in a communications area defined around the base station.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16167975.8A EP3082111B1 (en) | 2011-12-20 | 2012-12-19 | Electronic monitoring bracelet |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11194714.9A EP2608157A1 (en) | 2011-12-20 | 2011-12-20 | Electronic surveillance bracelet |
EP11194712.3A EP2608156A1 (en) | 2011-12-20 | 2011-12-20 | Electronic surveillance bracelet |
EP12823017.4A EP2795588B1 (en) | 2011-12-20 | 2012-12-19 | Electronic surveillance bracelet |
EP16167975.8A EP3082111B1 (en) | 2011-12-20 | 2012-12-19 | Electronic monitoring bracelet |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12823017.4A Division EP2795588B1 (en) | 2011-12-20 | 2012-12-19 | Electronic surveillance bracelet |
EP12823017.4A Previously-Filed-Application EP2795588B1 (en) | 2011-12-20 | 2012-12-19 | Electronic surveillance bracelet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3082111A1 EP3082111A1 (en) | 2016-10-19 |
EP3082111B1 true EP3082111B1 (en) | 2018-01-31 |
Family
ID=47678912
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16167975.8A Active EP3082111B1 (en) | 2011-12-20 | 2012-12-19 | Electronic monitoring bracelet |
EP12823017.4A Active EP2795588B1 (en) | 2011-12-20 | 2012-12-19 | Electronic surveillance bracelet |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12823017.4A Active EP2795588B1 (en) | 2011-12-20 | 2012-12-19 | Electronic surveillance bracelet |
Country Status (12)
Country | Link |
---|---|
US (2) | US10446015B2 (en) |
EP (2) | EP3082111B1 (en) |
CN (2) | CN107274643A (en) |
AU (1) | AU2012356129B2 (en) |
BR (1) | BR112014015106B1 (en) |
EA (1) | EA028577B1 (en) |
HK (1) | HK1203097A1 (en) |
IL (1) | IL233229A (en) |
MX (1) | MX2014007419A (en) |
MY (1) | MY174630A (en) |
WO (1) | WO2013093808A1 (en) |
ZA (1) | ZA201405141B (en) |
Families Citing this family (8)
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CN105160806B (en) * | 2015-08-24 | 2018-09-04 | 广州三星通信技术研究有限公司 | Realize the wearable device and its alarm method of alarm |
EP3451307A1 (en) | 2017-08-28 | 2019-03-06 | Geosatis SA | Electronic monitoring bracelet comprised of first and second lockable and separable bracelet parts |
EP3454089A1 (en) | 2017-09-08 | 2019-03-13 | Geosatis SA | Geolocalization system with spoofing detection |
EP3997680A4 (en) * | 2019-07-08 | 2023-08-02 | Attenti Electronic Monitoring LTD. | Adjustable electronic monitoring device |
US11164431B1 (en) * | 2020-09-15 | 2021-11-02 | Marvin Reid | Facility security system |
CN112647780B (en) * | 2020-12-24 | 2022-03-11 | 湖北科技学院 | Electronic shackle |
CN112647781B (en) * | 2020-12-24 | 2022-03-11 | 湖北科技学院 | Method for supervising electronic fetters |
GB2610693A (en) * | 2021-07-12 | 2023-03-15 | Jill Carpenter Caroline | Track and trace watches |
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2012
- 2012-12-19 CN CN201710320839.7A patent/CN107274643A/en active Pending
- 2012-12-19 BR BR112014015106-7A patent/BR112014015106B1/en active IP Right Grant
- 2012-12-19 EA EA201400728A patent/EA028577B1/en not_active IP Right Cessation
- 2012-12-19 MX MX2014007419A patent/MX2014007419A/en active IP Right Grant
- 2012-12-19 WO PCT/IB2012/057490 patent/WO2013093808A1/en active Application Filing
- 2012-12-19 US US14/367,233 patent/US10446015B2/en active Active
- 2012-12-19 EP EP16167975.8A patent/EP3082111B1/en active Active
- 2012-12-19 CN CN201280063758.9A patent/CN104115193B/en active Active
- 2012-12-19 MY MYPI2014001831A patent/MY174630A/en unknown
- 2012-12-19 AU AU2012356129A patent/AU2012356129B2/en active Active
- 2012-12-19 EP EP12823017.4A patent/EP2795588B1/en active Active
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2014
- 2014-06-18 IL IL233229A patent/IL233229A/en active IP Right Grant
- 2014-07-14 ZA ZA2014/05141A patent/ZA201405141B/en unknown
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2015
- 2015-04-01 HK HK15103312.8A patent/HK1203097A1/en unknown
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2019
- 2019-08-23 US US16/548,949 patent/US11631317B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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CN107274643A (en) | 2017-10-20 |
BR112014015106A2 (en) | 2017-06-13 |
CN104115193A (en) | 2014-10-22 |
US11631317B2 (en) | 2023-04-18 |
MY174630A (en) | 2020-05-04 |
WO2013093808A1 (en) | 2013-06-27 |
AU2012356129A1 (en) | 2014-07-24 |
HK1203097A1 (en) | 2015-10-16 |
US10446015B2 (en) | 2019-10-15 |
US20150048939A1 (en) | 2015-02-19 |
US20200005627A1 (en) | 2020-01-02 |
BR112014015106A8 (en) | 2021-03-16 |
EP2795588A1 (en) | 2014-10-29 |
EA201400728A1 (en) | 2015-01-30 |
AU2012356129B2 (en) | 2016-04-07 |
IL233229A0 (en) | 2014-08-31 |
EP3082111A1 (en) | 2016-10-19 |
BR112014015106B1 (en) | 2022-10-04 |
IL233229A (en) | 2017-10-31 |
EA028577B1 (en) | 2017-12-29 |
ZA201405141B (en) | 2015-10-28 |
EP2795588B1 (en) | 2016-05-04 |
MX2014007419A (en) | 2014-10-17 |
CN104115193B (en) | 2018-09-14 |
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