EP3008705B1 - Break-in sensor for monitoring an entrance to a building to be monitored, method and alarm system thereof - Google Patents
Break-in sensor for monitoring an entrance to a building to be monitored, method and alarm system thereof Download PDFInfo
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- EP3008705B1 EP3008705B1 EP14733542.6A EP14733542A EP3008705B1 EP 3008705 B1 EP3008705 B1 EP 3008705B1 EP 14733542 A EP14733542 A EP 14733542A EP 3008705 B1 EP3008705 B1 EP 3008705B1
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- 238000000034 method Methods 0.000 title claims description 20
- 238000012544 monitoring process Methods 0.000 title claims description 8
- 230000001133 acceleration Effects 0.000 claims description 54
- 230000007613 environmental effect Effects 0.000 claims description 9
- 230000007774 longterm Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000001960 triggered effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- 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
- G08B29/188—Data fusion; cooperative systems, e.g. voting among different detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
Definitions
- the present invention relates to an intrusion sensor for monitoring access to a building to be monitored, the intrusion sensor being arranged on the access on the inside of the building.
- the present invention further relates to a method for monitoring access to a building to be monitored.
- alarm systems for buildings can have intrusion detectors which are arranged on the individual doors and windows of a building and which serve to detect the opening of the door or the window.
- the alarm system can trigger an alarm if an unauthorized opening of a door or window in the building and an alarm signal e.g. transferred to a central registration office or the police.
- the detection of an unauthorized opening of a door or a window of a building, i.e. a break-in through the door or the window, is carried out, for example, by a sensor which is designed to detect vibrations or shocks caused by the break-in at the door or occur in the window.
- the DE602004011587T2 shows a conventional intrusion sensor for monitoring a building.
- vibrations can be caused, for example, by the burglary tool used on the door lock or the window, for example a lock pick or other lock picking instruments. These vibrations can also be caused, for example, by the use of brute force on the door to separate the door lock from the corresponding receptacle located in the door frame. This is the case, for example, when the door is entered.
- the sensor is usually attached to the inside of the door or window, i.e. to the inside of the building.
- the sensor usually recognizes accelerations in all three spatial axes at the same time and reports them to the alarm system or to a microcontroller integrated in the sensor, which transmits an intrusion signal to the alarm system.
- DE 10 2010 039 837 A1 discloses a method for controlling a portable device with a sensor unit.
- US 2009/0015400 A1 describes a monitoring device for a container, which has a plurality of sensors.
- WO 2006/123217 A1 shows a method using artificial intelligence to reduce false alarms in vehicles.
- the present invention discloses an intrusion sensor with the features of claim 1 and a method with the features of claim 6.
- An intrusion sensor for monitoring access to a building to be monitored, the intrusion sensor being arranged on the entrance on the inside of the building, with an acceleration sensor which is designed to detect movements of the intrusion sensor in at least one spatial axis and in the event of a movement to output a movement signal, in particular an acceleration signal, in the at least one axis, with an environment sensor which is designed to record at least one value of at least one physical variable in the environment of the Detect intrusion sensor, and with a plausibility check, which is designed to plausibility check the movement signal, in particular the acceleration signal, with the detected value of the physical quantity and to output a break-in signal in the event of a negative plausibility check.
- a method for monitoring an access to a building to be monitored comprising the steps of detecting a movement of the access in at least one spatial axis and outputting a movement signal, in particular an acceleration signal, in the case of a movement in the at least one axis, recording at least one value of at least one physical quantity in the vicinity of the access on the inside of the building, plausibility check of the movement signal, in particular the acceleration signal, with the detected value of the physical quantity, and output of a break-in signal in the event of a negative plausibility check.
- An alarm system with an alarm device which is designed to emit an alarm and with at least one intrusion sensor according to the invention which is designed to transmit an intrusion signal to the alarm device.
- the present invention provides in particular to use physical variables for the plausibility check, which allow the sensor to draw conclusions about whether a person is on the outside of the entrance to the building or on the inside of the entrance to the building.
- the acceleration sensor detects a movement of the access, e.g. If a shake on a door is recognized and an acceleration signal is output, a value of at least one of the physical variables is recorded and used to check the plausibility of the acceleration signal.
- acceleration signal is positively plausibility checked, ie if there is a person on the inside of the building in the vicinity of the entrance, no alarm is triggered despite the acceleration signal output by the acceleration sensor.
- the acceleration signal is given a negative plausibility check, ie if there is no person on the inside of the building in the vicinity of the entrance, an alarm is triggered on the basis of the acceleration signal output by the acceleration sensor.
- the present invention thus makes it possible to significantly reduce the number of false alarms of an intrusion sensor and thereby to increase the area of use and the acceptance of such a sensor.
- the ambient sensor is designed as a temperature sensor, which is designed to detect the temperature in the vicinity of the intrusion sensor. Since a person has a body temperature of approx. 37 ° C, the temperature on the inside of the building in the vicinity of the entrance can be recorded with the help of a temperature sensor and used to determine the presence of a person. This enables a precise plausibility check of the acceleration signal.
- the ambient sensor is designed as a moisture sensor, which is designed to detect the air humidity in the vicinity of the intrusion sensor.
- a person changes the temperature in their surroundings with their presence, as already described above.
- the humidity changes the air around a person.
- the use of a moisture sensor therefore enables a further plausibility check of the acceleration signal.
- the environment sensor is designed as a sensor which is designed to detect a plurality of physical variables simultaneously in the environment of the intrusion sensor.
- the plausibility checking device has a memory and is designed to store a detected value of the physical variable at predetermined intervals and to calculate an average value of the detected values of the physical variable. If an average value is formed for the recorded values of the physical quantity, the course of the physical quantity over time can be used in the plausibility check.
- the plausibility checking device is designed to calculate a long-term mean value for all detected values of the physical quantity. This enables a very stable mean e.g. to be calculated in air-conditioned rooms.
- the plausibility check is designed to calculate a moving average for a predetermined number of detected values of the physical quantity. This enables the mean value to be adjusted in the event of changing environmental conditions, e.g. if the temperature fluctuates over the course of a day.
- the intrusion sensor has a data interface which is designed to communicate with an air conditioning system of the building and to query the current building temperature from the latter.
- the queried building temperature can also be used for a comparison with the recorded value of the physical quantity.
- the plausibility check device when the acceleration sensor outputs an acceleration signal, is designed to query a current value of the physical quantity from the ambient sensor and compare it with the mean value, and to positively plausibility check the acceleration signal if the current value of the physical quantity is less than a given one Threshold deviates from the mean, and to make the acceleration signal negative if the current value of the physical quantity deviates from the mean by more than the predetermined threshold. This makes it possible to adapt the plausibility check to different applications.
- the threshold value can be adjusted in such a way that not only temperature changes by adults but also by children can be checked for plausibility.
- the threshold value can also be set in such a way that temperature changes or other changes in a physical quantity caused by animals, e.g. Cats or dogs, can be used for an accurate plausibility check.
- access to a building is understood to mean any access to a building that can be closed by a movable lock.
- Accesses according to the invention can be designed as doors, windows and the like.
- any sensor that is designed to record acceleration, movement, vibration or the like in at least one of the three spatial axes is regarded as an acceleration sensor.
- An acceleration sensor according to the invention can also record acceleration, movement, vibration or the like in all three spatial axes.
- a positive plausibility check means that the plausibility check shows that a person is on the inside of the building near the entrance, so that the presence of the person can be determined by recording the physical quantities.
- a negative plausibility check means that the plausibility check shows that there is no one on the inside of the building near the entrance.
- Fig. 1 shows a block diagram of an embodiment of an intrusion sensor 1 according to the invention.
- the intrusion sensor 1 in Fig. 1 is arranged on a door 2 and has an acceleration sensor 4 which is coupled to a plausibility check 9. Furthermore, the intrusion sensor 1 in Fig. 1 an environmental sensor 6, which is also coupled to the plausibility check 9.
- the intrusion sensor of the Fig. 1 is used to monitor door 2, which represents access to a building to be monitored.
- the intrusion sensor 1 is arranged on the door 2 on the inside of the building.
- the acceleration sensor 4 serves to detect movements of the intrusion sensor 1 in at least one spatial axis. This is always the case when the door 2 is moved or e.g. a burglar at door 2 is troubled. If the door 2 moves, the acceleration sensor 4 outputs an acceleration signal 5 to the plausibility check 9.
- the ambient sensor 6 detects a value 7 of the temperature 8 in the vicinity of the intrusion sensor 1.
- the ambient sensor 6 can also be designed to additionally or alternatively, other physical variables 8, e.g. to detect the air humidity 8.
- the detected value of the temperature 8 is provided by the environmental sensor 6 of the plausibility check 9.
- the environmental sensor 6 can be designed as any sensor that is suitable for detecting the presence or absence of a person or another living being. This can e.g. be an infrared sensor.
- the plausibility check 9 validates the acceleration signal 5 with the aid of the detected values 7 of the temperature 8. In the event of a negative plausibility check, the plausibility check 9 outputs a break-in signal 10. If the environmental sensor 6 is designed to additionally or alternatively, other physical variables 8, e.g. to detect the air humidity 8, these recorded values can also be used in the plausibility check.
- Fig. 2 shows a flow chart of an embodiment of a method according to the invention.
- the method according to the invention provides in a first step S1 to detect a movement of the access 2, 3 in at least one spatial axis and to output an acceleration signal 5 in the case of a movement in the at least one axis in a second step S2.
- a third step S3 at least one value 7 of at least one physical variable 8 is recorded in the vicinity of the access 2, 3 on the inside of the building 14.
- the method further provides for the plausibility check S4 of the acceleration signal 5 with the detected value 7 of the physical quantity 8 and the output S5 of an intrusion signal 10 in the event of a negative plausibility check.
- Fig. 3 shows a block diagram of a further embodiment of an intrusion sensor 1 according to the invention.
- the intrusion sensor 1 of the Fig. 3 is based on the intrusion sensor 1 Fig. 1 and differs from this in that the plausibility checking device 9 has a memory 11 and is designed to store a detected value 7 of the physical variable 8 at predetermined intervals and to calculate an average value 12 of the detected values 7 of the physical variable 8.
- the plausibility check 9 forms a long-term mean 12 for all the recorded values 7 of the physical quantity 8.
- the plausibility check 9 can also calculate a moving average 12 for a predetermined number of recorded values 7 of the physical quantity 8.
- the plausibility check 9 of the Fig. 3 is also designed to query an actual value 7 of the physical quantity 8 from the ambient sensor 6 when the acceleration signal 5 is output by the acceleration sensor 4 and to compare it with the mean value 12.
- the plausibility check 9 makes the acceleration signal 5 positive and no break-in signal 10 is output.
- the plausibility check device 9 makes the acceleration signal 5 plausible and an alarm is triggered or an intrusion signal 10 is output.
- the environmental sensor 6 is designed as a sensor 6, which is designed to detect a plurality of physical variables 8 simultaneously in the environment of the intrusion sensor 1.
- the sensor 6 can detect temperature and air humidity.
- the intrusion sensor 1 has a data interface which is designed to communicate with an air conditioning system of the building 14 and to query the current building temperature from the latter.
- the queried building temperature can also be used for a comparison with the recorded value of the physical variable 8.
- Fig. 4 shows a flow chart of a further embodiment of a method according to the invention.
- the procedure of Fig. 4 is based on the process of Fig. 2 and differs from this in that the step of plausibility checking S4 provides for storing a detected value 7 of the physical variable 8 at predetermined intervals S6 and calculating S7 a mean value 12 of the recorded values 7 of the physical variable 8.
- a long-term mean value 12 can be calculated for all recorded values 7 of the physical quantity 8. Additionally or alternatively, when calculating S7 of the mean value 12, a moving mean value 12 can be calculated for a predetermined number of detected values 7 of the physical quantity 8.
- the method provides for plausibility checking S4 that when an acceleration signal 5 is output by the acceleration sensor 4, a current value 7 of the physical quantity 8 is detected S8 and compared with the mean value S9.
- the acceleration signal 5 is positively checked for plausibility if the current value 7 of the physical variable 8 deviates from the mean value 12 by more than a predetermined threshold value 13. Furthermore, the acceleration signal 5 is negatively checked for plausibility if the current value 7 of the physical variable 8 deviates from the mean value 12 by less than the predetermined threshold value 13.
- Fig. 5 shows a block diagram of an alarm system 16 with an embodiment of an intrusion sensor 1 according to the invention.
- the alarm system 16 is arranged in a building 14. Building 14 of the Fig. 5 is only shown schematically by two wall sections 14 which have an opening in which a window 3 is arranged, on which an intrusion sensor 1 according to the invention is arranged.
- the opening direction in Fig. 5 is only shown as an example and does not necessarily have to refer to the in Fig. 5 shown vertical spatial axis may be limited. If the door / window is damaged with great force, a tilt and turn movement can also occur, for example, which is not only described by the vertical axis of the room.
- the alarm system 16 has an alarm transmitter 15 which is coupled to the intrusion sensor 1.
- the intrusion sensor 1 is designed to transmit an intrusion signal 10 to the alarm transmitter 15, which then emits an alarm.
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Description
Die vorliegende Erfindung bezieht sich auf einen Einbruchsensor zur Überwachung eines Zugangs zu einem zu überwachenden Gebäude, wobei der Einbruchsensor an dem Zugang auf der Innenseite des Gebäudes angeordnet ist. Ferner bezieht sich die vorliegende Erfindung auf ein Verfahren zum Überwachen eines Zugangs zu einem zu überwachenden Gebäude.The present invention relates to an intrusion sensor for monitoring access to a building to be monitored, the intrusion sensor being arranged on the access on the inside of the building. The present invention further relates to a method for monitoring access to a building to be monitored.
In vielen Anwendungen ist es heute wichtig, das unberechtigte Öffnen einer Türe oder eines Fensters zu erkennen. Beispielsweise können Alarmanlagen für Gebäude Einbruchmelder aufweisen, die an den einzelnen Türen und Fenstern eines Gebäudes angeordnet sind und die dazu dienen, das Öffnen der Türe oder des Fensters zu detektieren.In many applications it is important today to recognize the unauthorized opening of a door or a window. For example, alarm systems for buildings can have intrusion detectors which are arranged on the individual doors and windows of a building and which serve to detect the opening of the door or the window.
Ist die Alarmanlage eingeschaltet, kann diese bei einem unberechtigten Öffnen einer Türe oder eines Fensters des Gebäudes einen Alarm auslösen und ein Alarmsignal z.B. an eine zentrale Meldestelle oder die Polizei übertragen.If the alarm system is switched on, it can trigger an alarm if an unauthorized opening of a door or window in the building and an alarm signal e.g. transferred to a central registration office or the police.
Die Erkennung eines nicht autorisierten Öffnens einer Türe oder eines Fensters eines Gebäudes, also ein Einbruch durch die Türe oder das Fenster, erfolgt beispielsweise durch einen Sensor, welcher dazu ausgebildet ist, Vibrationen bzw. Erschütterungen zu erkennen, die durch den Einbruch an der Türe oder dem Fenster auftreten.The detection of an unauthorized opening of a door or a window of a building, i.e. a break-in through the door or the window, is carried out, for example, by a sensor which is designed to detect vibrations or shocks caused by the break-in at the door or occur in the window.
Die
Diese Erschütterungen können beispielsweise durch das an dem Türschloss oder dem Fenster zur Anwendung gebrachten Einbruchswerkzeug, z.B. einen Dietrich oder weitere Lockpicking-Instrumente, verursacht werden. Diese Erschütterungen können aber z.B. auch durch das Ausüben roher Gewalt an der Türe zum Trennen des Türschlosses von der entsprechenden im Türrahmen befindlichen Aufnahme verursacht werden. Dies ist z.B. beim Eintreten der Türe der Fall.These vibrations can be caused, for example, by the burglary tool used on the door lock or the window, for example a lock pick or other lock picking instruments. These vibrations can also be caused, for example, by the use of brute force on the door to separate the door lock from the corresponding receptacle located in the door frame. This is the case, for example, when the door is entered.
Der Sensor ist dabei üblicherweise an der Innenseite der Türe oder des Fensters, also an der Gebäudeinnenseite, befestigt. Dabei erkennt der Sensor üblicherweise gleichzeitig Beschleunigungen in allen drei Raumachsen und meldet diese der Alarmanlage oder einem in den Sensor integrierten Mikrocontroller, welcher der Alarmanlage ein Einbruchsignal übermittelt.The sensor is usually attached to the inside of the door or window, i.e. to the inside of the building. The sensor usually recognizes accelerations in all three spatial axes at the same time and reports them to the alarm system or to a microcontroller integrated in the sensor, which transmits an intrusion signal to the alarm system.
Wird ein Sensor an der Innenseite der Türe oder des Fensters angebracht, der lediglich eine Bewegung in den drei Raumachsen überwacht, können sehr leicht Fehlalarme ausgelöst werden, da der Sensor den eigentlichen Grund der Erschütterung nicht erkennen kann.If a sensor is attached to the inside of the door or window that only monitors movement in the three spatial axes, false alarms can be triggered very easily since the sensor cannot detect the actual cause of the vibration.
Stößt beispielsweise ein innerhalb der Wohnung auf dem Fußboden befindliches Kind beim Spielen an eine mit einem wie oben beschriebenen Sensor ausgestattete Türe, kann nicht ausgeschlossen werden, dass der Sensor einen Einbruchsalarm auslöst, obwohl kein Einbruch erfolgt. Da der Sensor lediglich die Erschütterungen der Türe erfasst, kann er nicht differenzieren, ob die Türe durch eine berechtigte oder durch eine unberechtigte Person erschüttert wurde.
Die vorliegende Erfindung offenbart einen Einbruchsensor mit den Merkmalen des Patentanspruchs 1 und ein Verfahren mit den Merkmalen des Patentanspruchs 6.The present invention discloses an intrusion sensor with the features of claim 1 and a method with the features of
Ein Einbruchsensor zur Überwachung eines Zugangs zu einem zu überwachenden Gebäude, wobei der Einbruchsensor an dem Zugang auf der Innenseite des Gebäudes angeordnet ist, mit einem Beschleunigungssensor, welcher dazu ausgebildet ist, Bewegungen des Einbruchsensors in mindestens einer räumlichen Achse zu erfassen und im Falle einer Bewegung in der mindestens einen Achse ein Bewegungssignal, insbesondere ein Beschleunigungssignal, auszugeben, mit einem Umgebungssensor, der dazu ausgebildet ist, mindestens einen Wert mindestens einer physikalische Größe in der Umgebung des Einbruchsensors zu erfassen, und mit einer Plausibilisierungseinrichtung, welche dazu ausgebildet ist, das Bewegungssignal, insbesondere das Beschleunigungssignal, mit dem erfassten Wert der physikalischen Größe zu plausibilisieren und bei einer negativen Plausibilisierung ein Einbruchssignal auszugeben.An intrusion sensor for monitoring access to a building to be monitored, the intrusion sensor being arranged on the entrance on the inside of the building, with an acceleration sensor which is designed to detect movements of the intrusion sensor in at least one spatial axis and in the event of a movement to output a movement signal, in particular an acceleration signal, in the at least one axis, with an environment sensor which is designed to record at least one value of at least one physical variable in the environment of the Detect intrusion sensor, and with a plausibility check, which is designed to plausibility check the movement signal, in particular the acceleration signal, with the detected value of the physical quantity and to output a break-in signal in the event of a negative plausibility check.
Ein Verfahren zum Überwachen eines Zugangs zu einem zu überwachenden Gebäude, mit den Schritten Erfassen einer Bewegungen des Zugangs in mindestens einer räumlichen Achse und Ausgeben eines Bewegungssignals, insbesondere eines Beschleunigungssignals, im Falle einer Bewegung in der mindestens einen Achse, Erfassen mindestens eines Wertes mindestens einer physikalischen Größe in der Umgebung des Zugangs auf der Innenseite des Gebäudes, Plausibilisieren des Bewegungssignals, insbesondere des Beschleunigungssignals, mit dem erfassten Wert der physikalischen Größe, und Ausgeben eines Einbruchssignals bei einer negativen Plausibilisierung.A method for monitoring an access to a building to be monitored, comprising the steps of detecting a movement of the access in at least one spatial axis and outputting a movement signal, in particular an acceleration signal, in the case of a movement in the at least one axis, recording at least one value of at least one physical quantity in the vicinity of the access on the inside of the building, plausibility check of the movement signal, in particular the acceleration signal, with the detected value of the physical quantity, and output of a break-in signal in the event of a negative plausibility check.
Eine Alarmanlage, mit einem Alarmgeber, welcher dazu ausgebildet ist, einen Alarm auszugeben, und mit mindestens einem erfindungsgemäßen Einbruchsensor, welcher dazu ausgebildet ist, dem Alarmgeber ein Einbruchssignal zu übermitteln.An alarm system with an alarm device which is designed to emit an alarm and with at least one intrusion sensor according to the invention which is designed to transmit an intrusion signal to the alarm device.
Die der vorliegenden Erfindung zu Grunde liegende Erkenntnis besteht darin, dass eine Erfassung von Bewegungen in drei Achsen alleine nicht ausreichend ist, um bei einem Einbruchsensor Fehlauslösungen zu vermeiden.The knowledge on which the present invention is based is that the detection of movements in three axes alone is not sufficient to avoid false triggering in the case of an intrusion sensor.
Die der vorliegenden Erfindung zu Grunde liegende Idee besteht nun darin, dieser Erkenntnis Rechnung zu tragen und einen Einbruchsensor vorzusehen, der zusätzlich zu der Erfassung der Bewegungen des Zugangs zu einem Gebäude noch weitere physikalische Größen erfasst, um die Ausgabe des Beschleunigungssensors zu plausibilisieren.The idea on which the present invention is based is now to take this knowledge into account and to provide an intrusion sensor which, in addition to the detection of the movements of access to a building, also detects other physical variables in order to plausibility check the output of the acceleration sensor.
Die vorliegende Erfindung sieht insbesondere vor, physikalische Größen für die Plausibilisierung heranzuziehen, welche dem Sensor einen Rückschluss darauf erlauben, ob eine Person sich auf der Außenseite des Zugangs zu dem Gebäude oder auf der Innenseite des Zugangs zu dem Gebäude befindet.The present invention provides in particular to use physical variables for the plausibility check, which allow the sensor to draw conclusions about whether a person is on the outside of the entrance to the building or on the inside of the entrance to the building.
Wird von dem Beschleunigungssensor eine Bewegung des Zugangs, z.B. ein Rütteln an einer Türe, erkannt und ein Beschleunigungssignal ausgegeben, wird ein Wert mindestens einer der physikalischen Größen erfasst und zur Plausibilisierung des Beschleunigungssignals herangezogen.If the acceleration sensor detects a movement of the access, e.g. If a shake on a door is recognized and an acceleration signal is output, a value of at least one of the physical variables is recorded and used to check the plausibility of the acceleration signal.
Wird das Beschleunigungssignal positiv plausibilisiert, befindet sich also eine Person auf der Innenseite des Gebäudes in der Umgebung des Zugangs, wird trotz des von dem Beschleunigungssensor ausgegebenen Beschleunigungssignals kein Alarm ausgelöst.If the acceleration signal is positively plausibility checked, ie if there is a person on the inside of the building in the vicinity of the entrance, no alarm is triggered despite the acceleration signal output by the acceleration sensor.
Wird das Beschleunigungssignal negativ plausibilisiert, befindet sich also keine Person auf der Innenseite des Gebäudes in der Umgebung des Zugangs, wird auf Grund des von dem Beschleunigungssensor ausgegebenen Beschleunigungssignals ein Alarm ausgelöst.If the acceleration signal is given a negative plausibility check, ie if there is no person on the inside of the building in the vicinity of the entrance, an alarm is triggered on the basis of the acceleration signal output by the acceleration sensor.
Damit ermöglicht es die vorliegende Erfindung, die Anzahl an Fehlalarmen eines Einbruchsensors deutlich zu reduzieren und dadurch den Einsatzbereich sowie die Akzeptanz eines solchen Sensors zu vergrößern.The present invention thus makes it possible to significantly reduce the number of false alarms of an intrusion sensor and thereby to increase the area of use and the acceptance of such a sensor.
Vorteilhafte Ausführungsformen und Weiterbildungen ergeben sich aus den Unteransprüchen sowie aus der Beschreibung unter Bezugnahme auf die Figuren.Advantageous embodiments and further developments result from the subclaims and from the description with reference to the figures.
In einer Ausführungsform ist der Umgebungssensor als ein Temperatursensor ausgebildet, welcher dazu ausgebildet ist, die Temperatur in der Umgebung des Einbruchsensors zu erfassen. Da eine Person eine Körpertemperatur von ca. 37 °C aufweist, kann mit Hilfe eines Temperatursensors die Temperatur auf der Innenseite des Gebäudes in der Umgebung des Zugangs erfasst werden und dazu genutzt werden, die Präsenz einer Person festzustellen. Dies ermöglicht eine präzise Plausibilisierung des Beschleunigungssignals.In one embodiment, the ambient sensor is designed as a temperature sensor, which is designed to detect the temperature in the vicinity of the intrusion sensor. Since a person has a body temperature of approx. 37 ° C, the temperature on the inside of the building in the vicinity of the entrance can be recorded with the help of a temperature sensor and used to determine the presence of a person. This enables a precise plausibility check of the acceleration signal.
In einer Ausführungsform ist der Umgebungssensor als ein Feuchtigkeitssensor ausgebildet, welcher dazu ausgebildet ist, die Luftfeuchtigkeit in der Umgebung des Einbruchsensors zu erfassen. Eine Person verändert mit ihrer Anwesenheit, wie bereits oben beschrieben, die Temperatur in ihrer der Umgebung. Gleichzeitig ändert sich auch die Luftfeuchtigkeit der Luft in der Umgebung einer Person. Der Einsatz eines Feuchtigkeitssensors ermöglicht daher eine weitere Plausibilisierung des Beschleunigungssignals.In one embodiment, the ambient sensor is designed as a moisture sensor, which is designed to detect the air humidity in the vicinity of the intrusion sensor. A person changes the temperature in their surroundings with their presence, as already described above. At the same time, the humidity changes the air around a person. The use of a moisture sensor therefore enables a further plausibility check of the acceleration signal.
In einer Ausführungsform ist der Umgebungssensor als ein Sensor ausgebildet, welcher dazu ausgebildet ist, mehrere physikalische Größen gleichzeitig in der Umgebung des Einbruchsensors zu erfassen. Durch die Kombination der Erfassung mehrere physikalischer Größen kann die Plausibilisierung weiter verbessert werden.In one embodiment, the environment sensor is designed as a sensor which is designed to detect a plurality of physical variables simultaneously in the environment of the intrusion sensor. By combining the acquisition of several physical quantities, the plausibility check can be further improved.
In einer Ausführungsform weist die Plausibilisierungseinrichtung einen Speicher auf und ist dazu ausgebildet, in vorgegebenen Abständen einen erfassten Wert der physikalischen Größe zu speichern und einen Mittelwert der erfassten Werte der physikalischen Größe zu berechnen. Wird ein Mittelwert für die erfassten Werte der physikalischen Größe gebildet, kann der Verlauf der physikalischen Größe über die Zeit bei der Plausibilisierung genutzt werden.In one embodiment, the plausibility checking device has a memory and is designed to store a detected value of the physical variable at predetermined intervals and to calculate an average value of the detected values of the physical variable. If an average value is formed for the recorded values of the physical quantity, the course of the physical quantity over time can be used in the plausibility check.
In einer Ausführungsform ist die Plausibilisierungseinrichtung dazu ausgebildet, einen Langzeit-Mittelwert für alle erfassten Werte der physikalischen Größe zu berechnen. Dies ermöglicht es, einen sehr stabilen Mittelwert z.B. in klimatisierten Räumen zu berechnen.In one embodiment, the plausibility checking device is designed to calculate a long-term mean value for all detected values of the physical quantity. This enables a very stable mean e.g. to be calculated in air-conditioned rooms.
Zusätzlich oder alternativ ist die Plausibilisierungseinrichtung dazu ausgebildet, einen gleitenden Mittelwert für eine vorgegebene Anzahl an erfassten Werten der physikalischen Größe zu berechnen. Dies ermöglicht eine Anpassung des Mittelwerts bei sich verändernden Umgebungsbedingungen, z.B. bei Temperaturschwankung im Verlauf eines Tages.Additionally or alternatively, the plausibility check is designed to calculate a moving average for a predetermined number of detected values of the physical quantity. This enables the mean value to be adjusted in the event of changing environmental conditions, e.g. if the temperature fluctuates over the course of a day.
In einer Ausführungsform weist der Einbruchsensor eine Datenschnittstelle auf, welche dazu ausgebildet, mit einer Klimaanlage des Gebäudes zu kommunizieren und von dieser die aktuelle Gebäudetemperatur abzufragen. Die abgefragte Gebäudetemperatur kann ebenfalls für einen Vergleich mit dem erfassten Wert der physikalischen Größe genutzt werden.In one embodiment, the intrusion sensor has a data interface which is designed to communicate with an air conditioning system of the building and to query the current building temperature from the latter. The queried building temperature can also be used for a comparison with the recorded value of the physical quantity.
In einer Ausführungsform ist die Plausibilisierungseinrichtung dazu ausgebildet, bei Ausgabe eines Beschleunigungssignals durch den Beschleunigungssensor einen aktuellen Wert der physikalischen Größe von dem Umgebungssensor abzufragen und mit dem Mittelwert zu vergleichen, und das Beschleunigungssignal positiv zu plausibilisieren, wenn der aktuelle Wert der physikalischen Größe um weniger als einen vorgegebenen Schwellwert von dem Mittelwert abweicht, und das Beschleunigungssignal negativ zu plausibilisieren, wenn der aktuelle Wert der physikalischen Größe um mehr als den vorgegebenen Schwellwert von dem Mittelwert abweicht. Dies ermöglicht es, die Plausibilisierung an unterschiedliche Anwendungen anzupassen.In one embodiment, when the acceleration sensor outputs an acceleration signal, the plausibility check device is designed to query a current value of the physical quantity from the ambient sensor and compare it with the mean value, and to positively plausibility check the acceleration signal if the current value of the physical quantity is less than a given one Threshold deviates from the mean, and to make the acceleration signal negative if the current value of the physical quantity deviates from the mean by more than the predetermined threshold. This makes it possible to adapt the plausibility check to different applications.
Beispielsweise kann der Schwellwert derart angepasst werden, dass nicht nur Temperaturänderungen durch Erwachsene, sondern auch durch Kinder, plausibilisiert werden können. Der Schwellwert kann aber auch derart eingestellt werden, dass Temperaturänderungen bzw. andere Änderungen einer physikalischen Größe durch Tiere, z.B. Katzen oder Hunde, für eine akkurate Plausibilisierung eingesetzt werden können.For example, the threshold value can be adjusted in such a way that not only temperature changes by adults but also by children can be checked for plausibility. The threshold value can also be set in such a way that temperature changes or other changes in a physical quantity caused by animals, e.g. Cats or dogs, can be used for an accurate plausibility check.
Die obigen Ausgestaltungen und Weiterbildungen lassen sich, sofern sinnvoll, beliebig miteinander kombinieren. Weitere mögliche Ausgestaltungen, Weiterbildungen und Implementierungen der Erfindung umfassen auch nicht explizit genannte Kombinationen von zuvor oder im Folgenden bezüglich der Ausführungsbeispiele beschriebenen Merkmalen der Erfindung. Insbesondere wird dabei der Fachmann auch Einzelaspekte als Verbesserungen oder Ergänzungen zu der jeweiligen Grundform der vorliegenden Erfindung hinzufügen.The above refinements and developments can, if appropriate, be combined with one another as desired. Further possible refinements, developments and implementations of the invention also include combinations of features of the invention described above or below with reference to the exemplary embodiments, which are not explicitly mentioned. In particular, the person skilled in the art will also add individual aspects as improvements or additions to the respective basic form of the present invention.
Die vorliegende Erfindung wird nachfolgend anhand der in den schematischen Figuren der Zeichnungen angegebenen Ausführungsbeispiele näher erläutert. Es zeigen dabei:
- Fig. 1
- ein Blockschaltbild einer Ausführungsform eines erfindungsgemäßen Einbruchsensors;
- Fig. 2
- ein Ablaufdiagramm einer Ausführungsform eines erfindungsgemäßen Verfahrens;
- Fig. 3
- ein Blockschaltbild einer weiteren Ausführungsform eines erfindungsgemäßen Einbruchsensors;
- Fig. 4
- ein Ablaufdiagramm einer weiteren Ausführungsform eines erfindungsgemäßen Verfahrens;
- Fig. 5
- ein Blockschaltbild eines Gebäudes mit einer Ausführungsform eines erfindungsgemäßen Einbruchsensors.
- Fig. 1
- a block diagram of an embodiment of an intrusion sensor according to the invention;
- Fig. 2
- a flow diagram of an embodiment of a method according to the invention;
- Fig. 3
- a block diagram of a further embodiment of an intrusion sensor according to the invention;
- Fig. 4
- a flow diagram of a further embodiment of a method according to the invention;
- Fig. 5
- a block diagram of a building with an embodiment of an intrusion sensor according to the invention.
In allen Figuren sind gleiche bzw. funktionsgleiche Elemente und Vorrichtungen - sofern nichts Anderes angegeben ist - mit denselben Bezugszeichen versehen worden.In all the figures, elements and devices that are the same or have the same function, unless otherwise stated, have been provided with the same reference symbols.
Unter einem Zugang zu einem Gebäude ist im Rahmen dieser Patentanmeldung jeder Zugang zu einem Gebäude zu verstehen, der durch einen beweglichen Verschluss geschlossen werden kann. Erfindungsgemäße Zugänge können als Türen, Fenster und dergleichen ausgebildet sein.In the context of this patent application, access to a building is understood to mean any access to a building that can be closed by a movable lock. Accesses according to the invention can be designed as doors, windows and the like.
Als ein Beschleunigungssensor wird im Rahmen dieser Patentanmeldung jeder Sensor angesehen, der dazu ausgebildet ist, Beschleunigung, Bewegung, Vibration oder dergleichen in mindestens einer der drei Raumachsen aufzunehmen. Ein erfindungsgemäßer Beschleunigungssensor kann auch Beschleunigung, Bewegung, Vibration oder dergleichen in allen drei Raumachsen aufnehmen.Within the scope of this patent application, any sensor that is designed to record acceleration, movement, vibration or the like in at least one of the three spatial axes is regarded as an acceleration sensor. An acceleration sensor according to the invention can also record acceleration, movement, vibration or the like in all three spatial axes.
Eine positive Plausibilisierung bedeutet im Rahmen dieser Patentanmeldung, dass die Plausibilisierung ergibt, dass eine Person sich auf der Innenseite des Gebäudes in der Nähe des Zugangs aufhält, so dass die Präsenz der Person durch die Erfassung der physikalischen Größen festgestellt werden kann.In the context of this patent application, a positive plausibility check means that the plausibility check shows that a person is on the inside of the building near the entrance, so that the presence of the person can be determined by recording the physical quantities.
Eine negative Plausibilisierung bedeutet im Rahmen dieser Patentanmeldung, dass die Plausibilisierung ergibt, dass sich keine Person auf der Innenseite des Gebäudes in der Nähe des Zugangs aufhält.In the context of this patent application, a negative plausibility check means that the plausibility check shows that there is no one on the inside of the building near the entrance.
Der Einbruchsensor 1 in
Der Einbruchsensor der
Der Beschleunigungssensor 4 dient dazu, Bewegungen des Einbruchsensors 1 in mindestens einer räumlichen Achse zu erfassen. Dies ist immer dann der Fall, wenn die Türe 2 bewegt wird oder sich z.B. ein Einbrecher an der Türe 2 zu schaffen macht. Im Falle einer Bewegung der Türe 2 gibt der Beschleunigungssensor 4 ein Beschleunigungssignal 5 an die Plausibilisierungseinrichtung 9 aus.The acceleration sensor 4 serves to detect movements of the intrusion sensor 1 in at least one spatial axis. This is always the case when the door 2 is moved or e.g. a burglar at door 2 is troubled. If the door 2 moves, the acceleration sensor 4 outputs an
Der Umgebungssensor 6 erfasst einen Wert 7 der Temperatur 8 in der Umgebung des Einbruchsensors 1. Der Umgebungssensor 6 kann in einer Ausführungsform auch dazu ausgebildet sein, zusätzlich oder alternativ andere physikalische Größen 8, z.B. die Luftfeuchtigkeit 8, zu erfassen. Den erfassten Wert der Temperatur 8 stellt der Umgebungssensor 6 der Plausibilisierungseinrichtung 9 bereit. Der Umgebungssensor 6 kann in weiteren Ausführungsformen als ein beliebiger Sensor ausgebildet sein, der dazu geeignet ist, die Präsenz oder Abwesenheit einer Person oder eines anderen Lebewesens zu erkennen. Dies kann z.B. ein Infrarotsensor sein.The
Schließlich plausibilisiert die Plausibilisierungseinrichtung 9 das Beschleunigungssignal 5 mit Hilfe der erfassten Werte 7 der Temperatur 8. Bei einer negativen Plausibilisierung gibt die Plausibilisierungseinrichtung 9 ein Einbruchssignal 10 aus. Ist der Umgebungssensor 6 dazu ausgebildet, zusätzlich oder alternativ andere physikalische Größen 8, z.B. die Luftfeuchtigkeit 8, zu erfassen, können diese erfassten Werte ebenfalls bei der Plausibilisierung verwendet werden.Finally, the
Das erfindungsgemäße Verfahren sieht in einem ersten Schritt S1 vor, eine Bewegungen des Zugangs 2, 3 in mindestens einer räumlichen Achse zu erfassen und in einem zweiten Schritt S2 ein Beschleunigungssignal 5 im Falle einer Bewegung in der mindestens einen Achse auszugeben.The method according to the invention provides in a first step S1 to detect a movement of the access 2, 3 in at least one spatial axis and to output an
In einem dritten Schritt S3 wird mindestens ein Wert 7 mindestens einer physikalischen Größe 8 in der Umgebung des Zugangs 2, 3 auf der Innenseite des Gebäudes 14 erfasst.In a third step S3, at least one value 7 of at least one physical variable 8 is recorded in the vicinity of the access 2, 3 on the inside of the
Das Verfahren sieht ferner das Plausibilisieren S4 des Beschleunigungssignals 5 mit dem erfassten Wert 7 der physikalischen Größe 8 und das Ausgeben S5 eines Einbruchssignals 10 bei einer negativen Plausibilisierung vor.The method further provides for the plausibility check S4 of the
Der Einbruchsensor 1 der
Dabei bildet die Plausibilisierungseinrichtung 9 einen Langzeit-Mittelwert 12 für alle erfassten Werte 7 der physikalischen Größe 8. In einer Ausführungsform kann die die Plausibilisierungseinrichtung 9 auch einen gleitenden Mittelwert 12 für eine vorgegebene Anzahl an erfassten Werten 7 der physikalischen Größe 8 berechnen.Here, the
Die Plausibilisierungseinrichtung 9 der
Wenn der aktuelle Wert 7 der physikalischen Größe 8 um mehr als einen vorgegebenen Schwellwert 13 von dem Mittelwert 12 abweicht, plausibilisiert die Plausibilisierungseinrichtung 9 das Beschleunigungssignal 5 positiv und es wird kein Einbruchssignal 10 ausgegeben.If the current value 7 of the physical quantity 8 deviates from the
Wenn der aktuelle Wert 7 der physikalischen Größe 8 um weniger als den vorgegebenen Schwellwert 13 von dem Mittelwert 12 abweicht, plausibilisiert die Plausibilisierungseinrichtung 9 das Beschleunigungssignal 5 negativ und ein Alarm wird ausgelöst bzw. ein Einbruchssignal 10 wird ausgegeben.If the current value 7 of the physical quantity 8 deviates from the
In einer Ausführungsform ist der Umgebungssensor 6 als ein Sensor 6 ausgebildet ist, welcher dazu ausgebildet ist, mehrere physikalische Größen 8 gleichzeitig in der Umgebung des Einbruchsensors 1 zu erfassen. Beispielsweise kann der Sensor 6 Temperatur und Luftfeuchtigkeit erfassen.In one embodiment, the
In einer Ausführungsform weist der Einbruchsensor 1 eine Datenschnittstelle auf, welche dazu ausgebildet ist, mit einer Klimaanlage des Gebäudes 14 zu kommunizieren und von dieser die aktuelle Gebäudetemperatur abzufragen. Die abgefragte Gebäudetemperatur kann ebenfalls für einen Vergleich mit dem erfassten Wert der physikalischen Größe 8 genutzt werden.In one embodiment, the intrusion sensor 1 has a data interface which is designed to communicate with an air conditioning system of the
Das Verfahren der
Dabei kann beim Berechnen S7 des Mittelwertes 12 ein Langzeit-Mittelwert 12 für alle erfassten Werte 7 der physikalischen Größe 8 berechnet werden. Zusätzlich oder alternativ kann beim Berechnen S7 des Mittelwertes 12 ein gleitender Mittelwert 12 für eine vorgegebene Anzahl an erfassten Werten 7 der physikalischen Größe 8 berechnet werden.When calculating S7 of the
Ferner sieht das Verfahren beim Plausibilisieren S4 vor, dass bei Ausgabe eines Beschleunigungssignals 5 durch den Beschleunigungssensor 4 ein aktueller Wert 7 der physikalischen Größe 8 erfasst wird S8 und mit dem Mittelwert 12 verglichen wird S9.Furthermore, the method provides for plausibility checking S4 that when an
Dabei wird das Beschleunigungssignal 5 positiv plausibilisiert, wenn der aktuelle Wert 7 der physikalischen Größe 8 um mehr als einen vorgegebenen Schwellwert 13 von dem Mittelwert 12 abweicht. Ferner wird das Beschleunigungssignal 5 negativ plausibilisiert wird, wenn der aktuelle Wert 7 der physikalischen Größe 8 um weniger als den vorgegebenen Schwellwert 13 von dem Mittelwert 12 abweicht.The
Die Alarmanlage 16 ist in einem Gebäude 14 angeordnet. Das Gebäude 14 der
Durch einen in einer Kurve verlaufenden Pfeil wird in
Die Öffnungsrichtung in
Die Alarmanlage 16 weist einen Alarmgeber 15 auf, der mit dem Einbruchsensor 1 gekoppelt ist.The
Der Einbruchsensor 1 ist dazu ausgebildet, dem Alarmgeber 15 ein Einbruchssignal 10 zu übermitteln, der daraufhin einen Alarm ausgibt.The intrusion sensor 1 is designed to transmit an
Obwohl die vorliegende Erfindung anhand bevorzugter Ausführungsbeispiele vorstehend beschrieben wurde, ist sie darauf nicht beschränkt, sondern auf vielfältige Art und Weise modifizierbar. Insbesondere lässt sich die Erfindung in mannigfaltiger Weise verändern oder modifizieren, ohne vom Kern der Erfindung abzuweichen.Although the present invention has been described above on the basis of preferred exemplary embodiments, it is not restricted to these but can be modified in a variety of ways. In particular, the invention can be changed or modified in a variety of ways without departing from the essence of the invention.
Claims (11)
- Intrusion sensor (1) for monitoring an entrance (2, 3) to a building (14) to be monitored, wherein the intrusion sensor (1) is arranged at the entrance (2, 3) on the inside of the building (14),
having an acceleration sensor (4) which is designed to capture movements of the intrusion sensor (1) in at least one spatial axis and to output a movement signal, in particular an acceleration signal (5), in the event of a movement in the at least one axis;
having an environmental sensor (6) which is designed to capture at least one value (7) of at least one physical variable (8) in the environment of the intrusion sensor (1); and
having a plausibility checking device (9) which is designed to check the plausibility of the movement signal, in particular the acceleration signal (5), using the captured value (7) of the physical variable (8) and to output an intrusion signal (10) in the case of a negative plausibility check. - Intrusion sensor according to Claim 1, characterized in that
the environmental sensor (6) is in the form of a temperature sensor which is designed to capture the temperature in the environment of the intrusion sensor (1),
and/or is in the form of a humidity sensor which is designed to capture the humidity in the environment of the intrusion sensor (1). - Intrusion sensor according to one of the preceding claims,
characterized in that
the plausibility checking device (9) has a memory (11) and is designed to store a captured value (7) of the physical variable (8) at predefined intervals and to calculate an average (12) of the captured values (7) of the physical variable (8). - Intrusion sensor according to Claim 3,
characterized
in that the plausibility checking device (9) is designed to calculate a long-term average (12) for all captured values (7) of the physical variable (8); and/or
in that the plausibility checking device (9) is designed to calculate a sliding average (12) for a predefined number of captured values (7) of the physical variable (8) . - Intrusion sensor according to Claim 3, characterized in that the plausibility checking device (9) is designed
to request a current value (7) of the physical variable (8) from the environmental sensor (6) and to compare it with the average (12) if an acceleration signal (5) is output by the acceleration sensor (4), and
to provide a positive plausibility check of the acceleration signal (5) if the current value (7) of the physical variable (8) differs from the average (12) by more than a predefined threshold value (13); and
to provide a negative plausibility check of the acceleration signal (5) if the current value (7) of the physical variable (8) differs from the average (12) by less than the predefined threshold value (13). - Method for monitoring an entrance (2, 3) to a building (14) to be monitored, having the steps of:capturing (S1) a movement of the entrance (2, 3) in at least one spatial axis and outputting (S2) a movement signal, in particular an acceleration signal (5), in the event of a movement in the at least one axis;capturing (S3) at least one value (7) of at least one physical variable (8) in the environment of the entrance (2, 3) on the inside of the building (14);checking the plausibility (S4) of the movement signal, in particular the acceleration signal (5), using the captured value (7) of the physical variable (8); andoutputting (S5) an intrusion signal (10) in the case of a negative plausibility check.
- Method according to Claim 6,
wherein the temperature and/or the humidity is/are captured when capturing (S3) at least one value (7) of at least one physical variable (8). - Method according to either of Claims 6 and 7,
wherein the plausibility checking (S4) provides for a captured value (7) of the physical variable (8) to be stored (S6) at predefined intervals and for an average (12) of the captured values (7) of the physical variable (8) to be calculated (S7). - Method according to Claim 8,
wherein a long-term average (12) for all captured values (7) of the physical variable (8) is calculated when calculating (S7) the average (12); and/or
wherein a sliding average (12) for a predefined number of captured values (7) of the physical variable (8) is calculated when calculating (S7) the average (12). - Method according to Claim 8,
wherein a current value (7) of the physical variable (8) is captured (S8) and is compared (S9) with the average (12) during the plausibility checking (S4) if an acceleration signal (5) is output by the acceleration sensor (4), and
the acceleration signal (5) has a positive plausibility check if the current value (7) of the physical variable (8) differs from the average (12) by less than a predefined threshold value (13); and
the acceleration signal (5) has a negative plausibility check if the current value (7) of the physical variable (8) differs from the average (12) by more than the predefined threshold value (13). - Alarm system (16),
having an alarm transmitter (15) which is designed to output an alarm; and
having at least one intrusion sensor (1) according to one of Claims 1 to 6 which is designed to transmit an intrusion signal (10) to the alarm transmitter (15).
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CN105283909B (en) | 2018-11-20 |
WO2014198621A1 (en) | 2014-12-18 |
DE102013210747A1 (en) | 2014-12-11 |
US20160117918A1 (en) | 2016-04-28 |
CN105283909A (en) | 2016-01-27 |
EP3008705A1 (en) | 2016-04-20 |
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