CN107693023A - A kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer - Google Patents
A kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer Download PDFInfo
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- CN107693023A CN107693023A CN201710738642.5A CN201710738642A CN107693023A CN 107693023 A CN107693023 A CN 107693023A CN 201710738642 A CN201710738642 A CN 201710738642A CN 107693023 A CN107693023 A CN 107693023A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7405—Details of notification to user or communication with user or patient ; user input means using sound
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7455—Details of notification to user or communication with user or patient ; user input means characterised by tactile indication, e.g. vibration or electrical stimulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- 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
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention proposes a kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer, and the monitoring device is made up of three parts, is data acquisition unit, data processing unit and intelligent terminal unit respectively.Wherein, data acquisition unit is made up of high deformation strain gauge transducer, and this element is integrated on infant-wear or dress ornament, for gathering belly deformation data during baby's breathing；Data processing unit includes microcontroller, memory module, wireless communication module and power module, and this element is also integrated on infant-wear or dress ornament, for handling the data collected, while sends data to the intelligent terminal of guardian；Intelligent terminal unit can show real-time baby's breath state and send alarm to guardian by threshold decision.Monitoring device proposed by the present invention, can monitor the sleep-respiratory situation of baby in real time, can not only prevent emergency case during baby sleep, but also can mitigate the pressure that guardian looks after baby.
Description
Technical field
The present invention relates to sensor application field, more particularly to a kind of baby sleep based on high deformation strain gauge transducer
Respiration monitoring device.
Background technology
Two child's policies are decontroled comprehensively with national, and neonatal birth quantity is more and more.Because baby is a kind of special
Colony, they do not form complete consciousness, also without the ability of independent expression individual will, so need guardian at any time with
Pay close attention to the every act and every move of baby in ground.Especially at night, guardian wants the sleep state of great care baby.So, guard
People not only can feel very tired out because of frequently baby is checked, and be also possible to find the burst shape of baby sleep in time
Condition, it is easy to cause unexpectedly to occur.
At present, many technologies also are used among to the monitoring of baby sleep.The hair of Application No. 20061011844.0
Bright patent discloses a kind of binding tap for monitoring of infant sleeping posture, and the product places pressure sensor, microcontroller and alarm
On bandage, and bandage is then bundled in baby, once detect that the sleeping position that mistake occurs in baby will remind monitoring in time
People.The defects of product is：Bandage limits the activity of baby, so as to cause the discomfort of baby, and does not possess and mobile terminal
The function of connection, such guardian can not just grasp the real-time sleep state of baby, because warning device is placed on bandage, such as
Fruit guardian not in baby at one's side, it is difficult to hear alarm.The patent of invention of Application No. 201410003758.0 discloses one
The kind wearable multi-physiological-parameter intelligent monitor equipment of infant, all modules of the equipment are all integrated in collection and taken, and adopt
Collect band from the right shoulder ring of baby around to left arm oxter.The defects of equipment is：Dress uncomfortable and inconvenient cleaning.Application No.
201510448931.2 patent of invention discloses a kind of infantile health sleep protection system and its implementation, system profit
Baby sleep data are gathered with the piezoelectric transducer in mattress and temperature sensor, and are sent to intelligent terminal.The system lacks
Falling into is：Structure is excessively complicated, it is necessary to install multiple sensors in mattress, adds assembly cost, and insufficiency face, such as
There is the situation of shallow breathing in fruit baby, and its piezoelectric transducer and temperature sensor are difficult to detect.Application No.
201510944869.6 patent of invention disclose a kind of intelligent baby sitters, the product utilization respiratory frequen obtain baby
Youngster's respiratory rate data, and terminal device is sent the data to, referred to for guardian.The defects of product is：It is placed on baby
Respiratory frequency detection device in dress ornament includes two pieces of metallic plates, displacement curve drawing apparatus, counter and capacitance detector, portion
Part is more, can cause discomfort and the wearing inconvenience of baby, or even can influence the ortho of baby, and capacitance detecting used
Device is easily by the electromagnetic interference of environment.
The content of the invention
The present invention discloses one kind and is based on high deformation strain-type to overcome at least one defect described in above-mentioned prior art
The baby sleep respiration monitoring device of sensor.The device has wearing comfort, convenient cleaning and lower-cost feature, and can
The breath state of comprehensive monitoring baby sleep, guardian can understand the sleep quality of baby in real time by mobile terminal, for
The fortuitous event being likely to occur, the device can send alarm to guardian in time, improve the security of baby sleep, and
Improve the convenience that guardian looks after baby.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer, including the data being sequentially connected with are adopted
Collect unit, data processing unit and intelligent terminal unit；
Wherein data acquisition unit is high deformation strain gauge transducer, including the high deformation foil gauge being connected in series and sensing
Circuit；
Data acquisition unit gathers belly deformation data during baby's breathing in real time, and is sent to data processing unit, number
It is converted into according to processing unit after voltage signal and is transferred to intelligent terminal unit, intelligent terminal unit is based on resulting voltage
Signal is analyzed, and when acquired magnitude of voltage exceeds default threshold range, then sends alarm signal, intelligent terminal unit
Voltage curve is shown using oscillogram simultaneously.
When in use, data acquisition unit is disposed close to abdominal region to above-mentioned monitoring device, because baby typically uses
Abdominal respiration, it is mainly belly fluctuations during breathing, the change can cause high deformation foil gauge to deform upon, so as to cause
The resistance of high deformation foil gauge changes, and the change in resistance of high deformation foil gauge can be converted into voltage by microcontroller
Change, it can will be not easy baby's respiration information measured directly whereby and be converted to be easy to magnitude of voltage measured directly.
Simultaneously as the breathing problem of baby is generally divided into two kinds of situations, the first be due to be short of breath caused by, this
The belly of baby rises and falls bigger in the case of kind, smaller when the resistance of foil gauge is relative to normal condition, so detected value is smaller, will
In this case threshold value of the detected value as minimum；It is due to for second caused by shallow breathing, in this case baby
Belly fluctuating is smaller, larger when the resistance of foil gauge is relative to normal condition, so detected value is bigger, by inspection in this case
Threshold value of the measured value as maximum.Therefore, it is a threshold range that intelligent terminal unit is set in advance, breathing under normal circumstances
Data are all in threshold range, once emergency case occurs in baby, the breath data detected will exceed threshold range, at this moment
Prompting will be sent by audible alarm or vibrations by waiting the intelligent terminal unit that guardian uses, so as to avoid fortuitous event
Occur.Meanwhile guardian can also change threshold range according to the actual conditions of baby in intelligent terminal unit.
Preferably, described high deformation foil gauge uses silicone-nickel nano composite material, that is, selects copolyesters silicone material
Material, and nickel nano chain (Nickel Nanostrands) and nickel-coated carbon fibers (Nickel Coated Carbon are added wherein
Fiber), the deformation suffered by foil gauge is bigger, and its resistance is smaller；The deformation range of the foil gauge sensing of this material is larger, together
When can keep good electric conductivity and sensitivity, and cost is relatively low.
Described data acquisition unit and data processing unit is integrated on infant-wear or dress ornament.When in use, this hair
Foil gauge in bright is sewn on inside infant-wear or dress ornament with conduction cloth and close to abdominal region, so not only can be effectively accurate
The abdominal respiration of true detection baby, and discomfort will not be caused to baby；Data processing unit is placed on infant-wear or dress ornament
Outside close to the position of shoulder, will not so be dropped because of the change of baby's sleeping position.Above-mentioned infant-wear or dress ornament can
Think infant romper, baby's nightwear, baby's stomacher or baby shirt etc..
Preferably, described sensor circuit is divider resistance or Wheatstone bridge divider.
Preferably, the intelligent terminal unit is electric for the smart mobile phone of guardian, intelligent watch, Intelligent bracelet or flat board
Brain.Intelligent terminal unit can show real-time baby's breath data and respiratory activity curve by voltage oscillogram.
Preferably, the data processing unit includes microcontroller, and the memory module, wireless being connected with microcontroller
Communication module and power module, the signal of data acquisition unit collection are transferred to microcontroller, and microcontroller is to data
Collecting unit provides input voltage, the data collected be processed and stored in memory module, while pass through channel radio
Letter module sends data to intelligent terminal.
Described microcontroller is Arduino, RFduino or simblee；Described memory module is flash memory
Or random access memory；Described wireless communication module be bluetooth, Wi-Fi module, 2G, 3G, 4G communication, ZigBee or
GPRS；Described power module is alkaline battery or button cell.
The present invention compared with prior art, has advantages below and beneficial effect：1) it is disclosed by the invention a kind of based on height
The baby sleep respiration monitoring device of deformation strain gauge transducer；With simple in construction, the characteristics of being easy to wearing, due to foil gauge
It is placed on infant-wear or dress ornament, so discomfort will not be caused to baby, while data processing unit is placed on baby clothes
The diverse location of dress or dress ornament, readily removable to remove, convenient cleaning；2) this monitoring device has the characteristics of stability is good, will not be because of baby
The change of youngster's sleeping position and drop, will not also be influenceed by environmental factor (such as temperature, humidity or electromagnetic interference)；3) this monitoring fills
The precision height of monitoring is put, due to being belly fluctuations when detecting baby's breathing, is slept so baby's prostrate can be monitored effectively
Situation, meanwhile, the situation of baby's shallow breathing can also be monitored；4) this monitoring device cost is relatively low, is adapted to most of users,
And by intelligent terminal unit user can be helped to understand the sleep quality of baby in real time, to the fortuitous event energy being likely to occur
Enough and alarm.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the overall schematic of the embodiment of the present invention；
Fig. 3 is the connection diagram of data acquisition unit and microcontroller in the embodiment of the present invention；
Fig. 4 is the connection diagram of data processing unit in the embodiment of the present invention；
Fig. 5 is the functional schematic of intelligent terminal unit in the embodiment of the present invention；
Fig. 6 is the operating diagram of the embodiment of the present invention.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；
To those skilled in the art, it is to be appreciated that some known features and its explanation, which may be omitted, in accompanying drawing
's.Technical scheme is described further with reference to the accompanying drawings and examples.
Description of reference numerals：The high deformation foil gauge of 1- data acquisition units, 101-, 102- divider resistances, 103- strain-types
Sensor 2- data processing units, 201- microcontrollers, 3- intelligent terminals unit, 301- smart mobile phones, 4- wires, 5- babies connect
Body clothing.
As shown in figure 1, the present invention provides a kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer,
It is the data acquisition unit, data processing unit and intelligent terminal unit being sequentially connected with respectively including three parts.Wherein, number
It is made up of according to collecting unit high deformation strain gauge transducer, including high the deformation foil gauge and sensor circuit being connected in series, this list
Member is integrated on infant-wear or dress ornament；Data processing unit includes microcontroller, and the storage mould being connected with microcontroller
Block, wireless communication module and power module, this element are also integrated on infant-wear or dress ornament；Intelligent terminal unit refers to supervising
The intelligent terminal of people is protected, real-time baby's breath state can be shown and alarm is sent to guardian by threshold decision.
Foil gauge in the embodiment of the present invention is mainly made up of silicone-nickel nano composite material.The foil gauge of this material
The deformation range of sensing is larger, while can keep good electric conductivity and sensitivity, and cost is relatively low.Specifically, implement
High deformation foil gauge selection copolyesters silicone material in example, and NiNs (nickel nano chain) and NCCF (nickel-plated carbons are added wherein
Fiber), the deformation suffered by described foil gauge is bigger, and its resistance is smaller.
As shown in Fig. 2 the infant-wear or dress ornament in the embodiment of the present invention select infant romper.Specifically, this implementation
High deformation foil gauge in example is sewn on inside infant romper and close to abdominal region with conduction cloth, so not only can be effective
The abdominal respiration of baby is detected, and discomfort will not be caused to baby.
Further, the data processing unit in the present embodiment is placed on infant romper outside and the position of close shoulder,
It will not so drop because of the change of baby's sleeping position, and be connected by wire with foil gauge, data processing unit passes through wireless
Communication module is connected with intelligent terminal unit.
As shown in figure 3, sensor circuit selects divider resistance in the embodiment of the present invention.Specifically, the high shape in the present embodiment
Become foil gauge and divider resistance series connection, and the resistance phase of the resistance of divider resistance and high deformation foil gauge at steady state
Deng.
Further, the microcontroller in the present embodiment is realized by Arduino Uno, is powered by alkaline battery, while micro-
Controller provides 5V input voltage for data acquisition unit.Arduino Uno each A/D converter (i.e. A0~A5 six
Simulation input port) resolution ratio be 10 (analogue value read is between 0~1023), so can be by data acquisition
The belly deformation data that unit collects is converted into voltage apportioning cost.Specifically, the abdominal respiration of baby causes in this example
High deformation foil gauge deforms upon, so the voltage of high deformation foil gauge distribution will change, therefore Arduino Uno A0 ends
Mouth can obtain the analogue value between 0~1023, represent the detected value of baby's breathing with it in the present embodiment, so as to
To the breath data of baby.
As shown in figure 4, the wireless communication module in the embodiment of the present invention selects HC-06 bluetooth modules, the module volume
Compact, transmission range can reach 10 meters, add the reliability of the present invention.
Further, the minimum Micro SD cards of the memory module preferred dimension in the present embodiment, this kind of storage card can be certainly
It is very convenient to use by being inserted and removed from.
Specifically, the microcontroller Arduino Uno in the present embodiment provide operating voltage for bluetooth module, can be by baby
The breath data of youngster is sent to the intelligent terminal of guardian by bluetooth module, at the same time it can also which the data storage of baby is existed
In SD card, used for medical institutions' clinical analysis.
Especially, microcontroller can select RFduino, and such microcontroller is more compact, and carries bluetooth module.
As shown in Fig. 2 the intelligent terminal in the embodiment of the present invention is the smart mobile phone of guardian.
As shown in figure 5, the smart mobile phone in this example can show real-time baby's breath data and respiratory activity curve.
Smart mobile phone determines whether to exceed threshold value after real-time data are received, if it exceeds explanation baby occurs
Breathing problem, alarm will be sent to guardian in time.Specifically, it would be desirable to preset threshold value.Because the breathing of baby
Problem is generally divided into two kinds of situations, the first be due to be short of breath caused by, in this case baby belly rise and fall it is bigger,
It is smaller when the resistance of foil gauge is relative to normal condition, so detected value is smaller, we using detected value in this case as
Minimum threshold value；Second is due to smaller, the resistance of foil gauge of belly fluctuating of baby in this case caused by shallow breathing
Larger when value is relative to normal condition, so detected value is bigger, we are using detected value in this case as maximum threshold value.
Therefore, it is a threshold range that we are set in advance, and breath data under normal circumstances is all in threshold range, once baby
There is emergency case, the breath data detected will exceed threshold range, and at this time smart mobile phone will be reminded by the tinkle of bells
Guardian, so as to avoid the generation of fortuitous event.Meanwhile guardian can also be according to the actual conditions of baby in smart mobile phone
Middle modification threshold range.
Especially, described smart mobile phone can also show past data and be made into chart, so that guardian can
To fully understand the breath state of baby.
In summary and Fig. 6 is combined, in embodiments of the present invention, the abdominal respiration of baby can cause the fluctuating of belly to become
Change, the high deformation strain gauge transducer positioned at belly collects the deformation data of baby's belly.Microcontroller is received on sensor
Deformation data, the breath data for being converted to baby is stored in SD card, and the mobile phone of guardian is sent to by bluetooth.Monitoring
People can check real-time baby's breath state in mobile phone, once breathing problem occurs in baby, the breath data of detection will
Beyond threshold range set in advance, at this time mobile phone will send alarm.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer, it is characterised in that including sequentially connecting
Data acquisition unit, data processing unit and the intelligent terminal unit connect；
Wherein data acquisition unit is high deformation strain gauge transducer, including high the deformation foil gauge and induced electricity being connected in series
Road；
Data acquisition unit gathers belly deformation data during baby's breathing in real time, and is sent to data processing unit, at data
Reason unit is transferred to intelligent terminal unit after being converted into voltage signal, and intelligent terminal unit is based on resulting voltage signal
Analyzed, when acquired magnitude of voltage exceeds default threshold range, then send alarm signal, intelligent terminal unit is simultaneously
Voltage curve is shown using oscillogram.
2. monitoring device according to claim 1, it is characterised in that described high deformation foil gauge is received using silicone-nickel
Nano composite material, that is, copolyesters silicone material is selected, and add nickel nano chain (Nickel Nanostrands) and plating wherein
Nickel carbon fiber (Nickel Coated Carbon Fiber).
3. monitoring device according to claim 1, it is characterised in that described data acquisition unit and data processing unit
It is integrated on infant-wear or dress ornament.
4. monitoring device according to claim 1, it is characterised in that described sensor circuit be divider resistance or favour this
Step on electric bridge divider.
5. monitoring device according to claim 1, it is characterised in that the intelligent terminal unit is the intelligent hand of guardian
Machine, intelligent watch, Intelligent bracelet or tablet personal computer.
6. monitoring device according to claim 1, it is characterised in that the data processing unit includes microcontroller, with
And memory module, wireless communication module and the power module being connected with microcontroller, the signal of the data acquisition unit collection
Microcontroller is transferred to, and microcontroller provides input voltage to data acquisition unit, and the data collected are handled simultaneously
Storage in a storage module, while sends data to intelligent terminal by wireless communication module.
7. monitoring device according to claim 6, it is characterised in that described microcontroller is Arduino, RFduino
Or simblee.
8. monitoring device according to claim 6, it is characterised in that described memory module be flash memory or with
Machine accesses memory.
9. monitoring device according to claim 6, it is characterised in that described wireless communication module is bluetooth, Wi-Fi moulds
Block, 2G, 3G, 4G communication, ZigBee or GPRS.
10. monitoring device according to claim 6, it is characterised in that described power module is alkaline battery or knob
Detain battery.
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| CN201710738642.5A CN107693023A (en) | 2017-08-23 | 2017-08-23 | A kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer |
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| CN201710738642.5A CN107693023A (en) | 2017-08-23 | 2017-08-23 | A kind of baby sleep respiration monitoring device based on high deformation strain gauge transducer |
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| CN108618880A (en) * | 2018-04-13 | 2018-10-09 | 昆明理工大学 | It is a kind of that there is smart machine that is only intoxicated and preventing apnea from function occurs |
| CN109523748A (en) * | 2018-11-21 | 2019-03-26 | 合肥林夏智能科技有限公司 | A kind of intelligence old man care system |
| CN110689700A (en) * | 2019-09-11 | 2020-01-14 | 天津市英贝特航天科技有限公司 | Infant monitoring equipment based on X4M200 |
| CN111110246A (en) * | 2020-01-14 | 2020-05-08 | 中山大学 | Gait analysis system based on high-deformation strain type sensor |
| IT202100011012A1 (en) * | 2021-04-30 | 2022-10-30 | Sensoria Italia S R L | SENSORIZED GARMENT FOR A CHILDREN'S SUIT |
| CN115862115A (en) * | 2022-12-23 | 2023-03-28 | 宁波星巡智能科技有限公司 | Infant respiration detection area positioning method, device and equipment based on vision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618880A (en) * | 2018-04-13 | 2018-10-09 | 昆明理工大学 | It is a kind of that there is smart machine that is only intoxicated and preventing apnea from function occurs |
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| CN111110246A (en) * | 2020-01-14 | 2020-05-08 | 中山大学 | Gait analysis system based on high-deformation strain type sensor |
| IT202100011012A1 (en) * | 2021-04-30 | 2022-10-30 | Sensoria Italia S R L | SENSORIZED GARMENT FOR A CHILDREN'S SUIT |
| WO2022229691A1 (en) * | 2021-04-30 | 2022-11-03 | Sensoria Italia S.R.L. | Sensorized garment for a babysuit |
| CN115862115A (en) * | 2022-12-23 | 2023-03-28 | 宁波星巡智能科技有限公司 | Infant respiration detection area positioning method, device and equipment based on vision |
| CN115862115B (en) * | 2022-12-23 | 2023-08-04 | 宁波星巡智能科技有限公司 | Infant respiration detection area positioning method, device and equipment based on vision |
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Application publication date: 20180216 |