CN109907749B - Sensor and electronic device - Google Patents
Sensor and electronic device Download PDFInfo
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- CN109907749B CN109907749B CN201910251440.7A CN201910251440A CN109907749B CN 109907749 B CN109907749 B CN 109907749B CN 201910251440 A CN201910251440 A CN 201910251440A CN 109907749 B CN109907749 B CN 109907749B
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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
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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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
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
Abstract
The present disclosure provides a sensor and an electronic device, wherein the sensor includes: the sensor comprises a first base body, a second base body and a sensing unit, wherein the first base body is provided with a first surface, and a first sensing part is arranged on the first surface; a first signal generating component and a second signal generating component, both disposed on the first face; the motion sensing piece is arranged on the first surface, a vibration gap is formed between the motion sensing piece and the first surface, and the motion sensing piece is provided with a second sensing part and a third sensing part; the first sensing part and the second sensing part can move back to back and drive the first base body and the motion sensing part to move so as to trigger the first signal generating assembly to generate a first detection signal; the third sensing part is used for sensing external vibration and driving the motion sensing part to vibrate along the direction vertical to the first surface so as to trigger the second signal generation assembly to generate a second detection signal; the electronic device comprises a sensor as described above. The sensor provided by the embodiment of the invention has a simple structure, can detect breath and heartbeat at the same time, and has higher detection precision.
Description
Technical Field
The disclosure relates to the technical field of medical equipment, in particular to a sensor and electronic equipment.
Background
The vital signs of a patient are used to determine the severity and criticality of the patient. Mainly heart rate, pulse, blood pressure, respiration, pain, blood oxygen, changes in pupillary and corneal reflexes, etc. Among them, respiration, body temperature, pulse and blood pressure are called four main vital signs in the medical field. They are the pillars that maintain the normal movement of the body, and are not the least, and either abnormality can cause serious or fatal diseases, and some diseases can also cause the changes or aggravation of these four major signs. The monitoring to the vital signs of the patient can enable a doctor to know the physical condition of the patient at any time and timely make response and diagnosis.
Normally, the pulse and heart rate are consistent. The heart rate refers to the number of heartbeats per minute of a normal person in a quiet state, also called a quiet heart rate, and is generally 60-100 times/minute, and individual differences can be generated due to age, gender or other physiological factors. Respiration refers to the process of gas exchange between the body and the external environment. A normal adult breathes about 6.4 seconds at rest. Body temperature, the body temperature of a healthy person, is relatively constant, and when the body temperature exceeds the maximum limit of normal body temperature, fever is known as fever. The normal body temperature is considered to be 37 ℃ by the traditional concept, but is influenced by factors such as test positions, time, seasons and individual differences. The development of sensor technology is changing with the development of information technology, and medical sensor technology has made great progress in recent years, but the existing medical sensor still has the problems of single detection parameter and poor detection precision.
Disclosure of Invention
In view of the above problems of the prior art, an object of the present invention is to provide a sensor and an electronic device that can simultaneously detect respiration and pulse and have high detection accuracy.
According to an aspect of the present disclosure, there is provided a sensor including:
the sensor comprises a first base body and a second base body, wherein the first base body is provided with a first surface, and a first sensing part is arranged on the first surface;
a first signal generating component and a second signal generating component, both disposed on the first face;
the motion sensing piece is arranged on the first surface, a vibration gap is formed between the motion sensing piece and the first surface, and a second sensing part and a third sensing part are arranged on the motion sensing piece;
the first sensing part and the second sensing part can move back to back and drive the first base body and the motion sensing part to move so as to trigger the first signal generation assembly to generate a first detection signal; the third sensing part is used for sensing external vibration and driving the motion sensing part to vibrate along a direction perpendicular to the first surface so as to trigger the second signal generation assembly to generate a second detection signal.
In some embodiments, the motion sensor is movably coupled to the first substrate by a first coupling portion and a second coupling portion disposed thereon.
In some embodiments, the first connection forms the second sensing portion, the second connection for triggering the first signal generating component.
In some embodiments, the first sensing portion includes a protrusion disposed on the first face.
In some embodiments, a guide cavity is provided in the protrusion, the first signal generating assembly is disposed in the guide cavity, and the second connecting portion is movably connected in the guide cavity.
In some embodiments, a reset element is further disposed on the motion sensing element, and the reset element is configured to apply a reset elastic force to the motion sensing element, so that the second connection portion resets after triggering the first signal generating assembly.
In some embodiments, the first face is provided with a guide rail, and the first connecting portion is movably connected to the guide rail.
In some embodiments, the second signal generating assembly is disposed in the vibration gap, and the third sensing portion is located on a side of the motion-inducing member away from the first surface.
In some embodiments, the first signal generating assembly and the second signal generating assembly each include a piezoelectric film and an electrode connected to the piezoelectric film.
In some embodiments, the first substrate further has a second face opposite the first face, the second face having a temperature detection component disposed thereon.
In some embodiments, the body temperature detection assembly comprises:
a second substrate which is connected to the second surface of the first substrate and can be deformed with a change in temperature;
the piezoelectric semiconductor layer is connected to one side, far away from the first base body, of the second base body in an insulated mode;
the first electrode and the second electrode are fixed on one side, far away from the second base body, of the piezoelectric semiconductor and form Schottky contact with the piezoelectric semiconductor layer;
and the detection circuit is respectively connected with the first electrode and the second electrode.
In some embodiments, the detection circuit includes a power supply module and a current detection device, and the first electrode, the power supply module, the current detection device and the second electrode are sequentially connected in series.
An electronic device comprising a sensor as described above.
This section provides a general summary of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.
FIG. 1 is a schematic structural diagram of a sensor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sensor according to an embodiment of the present invention when a second substrate is deformed.
Reference numerals:
1-a first substrate; 2-a motion-sensing member; 3-a first sensing portion; 4-a second sensing portion; 5-a third sensing portion; 6-a first connection; 7-a second connection; 8-a first signal generating component; 9-a first piezoelectric film; 10-a first electrode; 11-a second signal generating component; 12-a second piezoelectric film; 13-a second electrode; 14-a projection; 15-a guide cavity; 16-a guide rail; 17-a reset member; 18-a body temperature detection component; 19-a second substrate; 20-a piezoelectric semiconductor layer; 21-a first electrode; 22-a second electrode; 23-a power supply module; 24-current detection means.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Fig. 1 is a schematic structural diagram of a sensor according to an embodiment of the present invention, and referring to fig. 1, the sensor according to the embodiment of the present invention includes a first substrate 1, a motion-sensing element 2, a first signal generating element 8, and a second signal generating element, where the first substrate 1 has a first surface and a second surface opposite to each other, the first surface is provided with a first sensing portion 3, the first signal generating element 8 and the second signal generating element 11 are both disposed on the first surface, the motion-sensing element 2 is movably disposed on the first surface and has a vibration gap with the first surface, the motion-sensing element 2 is provided with a second sensing portion 4 and a third sensing portion 5, the first sensing portion 3 and the second sensing portion 4 can move away from each other and drive the first substrate 1 and the motion-sensing element 2 to move, so as to trigger the first signal generating element 8 to generate a first detection signal; the third sensing portion 5 is used for sensing external vibration and driving the motion sensor 2 to vibrate along a direction perpendicular to the first surface, so as to trigger the second signal generating component 11 to generate a second detection signal.
When the sensor with the structure is used, the first sensing part 3 and the second sensing part 4 can be fixed on the skin of a detected body to be detected, for example, the skin surface of the chest of a human body, when the detected body is used for inhaling, the skin of the chest expands, the first sensing part 3 and the second sensing part 4 move back to back under the driving of the skin, meanwhile, the first base body 1 and the motion sensing part 2 can be driven to move, and therefore the first signal generating assembly 8 is triggered to generate a first detection signal capable of representing respiration. The third sensing part 5 is used for contacting with the skin of the body to be detected, for example, the skin of the chest of the human body, the third sensing part 5 can sense the heartbeat of the human body and drive the motion sensing part to vibrate at the same frequency, so as to trigger the second signal generating assembly 11 to generate a second detection signal capable of representing the heartbeat. The motion sensing means can simultaneously sense the respiration and heartbeat of the subject to be detected in cooperation with the first base body 1. In addition, since the first detection signal and the second detection signal are generated by the first signal generation unit 8 and the second signal generation unit 11, respectively, the first signal generation unit 8 and the second signal generation unit 11 do not interfere with each other, and the detection accuracy is high.
Specifically, in the embodiment of the present invention, the first substrate 1 may be a plate-shaped substrate, which includes a first surface and a second surface opposite to the first surface, the second signal generating assembly 11 may be attached to the first surface, and the motion sensor 2 is also disposed on the first surface and is configured to move along the first surface of the first substrate 1. The motion sensor 2 and the first base 1 are connected in various ways, a first connecting portion 6 and a second connecting portion 7 are respectively disposed at two ends of the motion sensor 2 in this embodiment, and the first connecting portion 6 and the second connecting portion 7 are movably connected to the first surface of the first base 1. The motion-inducing member 2 can move along the first surface of the first base 1 through the first connecting portion 6 and the second connecting portion 7.
In some embodiments, a protrusion 14 may be disposed on the first face of the first substrate 1, and the first sensing part 3 may be formed by the protrusion 14. That is, when in use, the protruding portion 14 and the first connecting portion 6 of the motion sensor 2 can be fixedly connected to, for example, the skin of the chest of a human body, so that the first base body 1 and the motion sensor 2 can move relatively under the driving of the first connecting portion 6 and the protruding portion 14, and then the first signal generating assembly 8 is triggered through the second connecting portion 7. Specifically, the first surface of the first substrate 1 may be provided with a guide rail 16 at a position corresponding to the first connection portion 6, and the first connection portion 6 may be connected to the guide rail 16 and configured to be movable along the guide rail 16. The guide rail 16 may be a groove of the guide rail 16, a strip of the guide rail 16 protruding from the first surface, or other shapes.
In some embodiments, the protrusion 14 may be provided with a guiding cavity 15 inside, the guiding cavity 15 may be arranged along the first side of the first substrate 1, the first signal generating element 8 may be arranged inside the guiding cavity 15, for example, may abut against a wall of a broken portion at one end of the guiding cavity 15, the second connecting portion 7 may be configured to be adapted to the guiding cavity 15 and may extend into the guiding cavity 15 from the end of the protrusion 14 where the first signal generating element 8 is arranged, and the second connecting portion 7 may be movable along the guiding cavity 15. When the body to be detected inhales, the chest skin expands, the protruding part 14 and the first connecting part 6 move back to back, and the first connecting part 6 can move towards the first signal generating assembly 8 along the guide cavity 15 and trigger the first signal generating assembly 8 to generate a first detection signal; when the body to be detected exhales, the protruding portion 14 and the first connecting portion 6 move towards each other, and the first connecting portion 6 moves away from the first signal generating assembly 8 and disengages from the first signal generating assembly 8. Thus, the frequency of the resultant first detection signal is the same as the breathing frequency of the subject to be detected.
In addition, a reset piece 17 can be further disposed on the motion sensing piece 2, and the reset piece 17 is configured to apply a reset elastic force to the motion sensing piece 2, so that the second connection portion 7 is reset after triggering the first signal generating assembly 8. For example, a return spring may be provided on the motion-sensitive member 2, one end of which is connected to the protrusion 14 and the other end of which is connected to the motion-sensitive member 2, and which is placed in a stretched state. Like this, treat under the effect of body skin tension, first connecting portion 6 and bulge 14 can the back of the body motion of back-to-back, later, when treating body skin tension disappearance, under the effect of reset spring pulling force, first connecting portion 6 and bulge 14 can remove in opposite directions again to make the second connecting portion 7 that is located bulge 14 inside throw off mutually with first connecting element. The second connecting part 7 is driven to reset to the revealing position without depending on or depending on the skin contraction of the body to be detected completely, and the respiration detection precision of the sensor is improved beneficially.
The first signal generating assembly 8 can have various structures, and in some embodiments, the first signal generating assembly 8 can include a first piezoelectric film 9 and a first piezoelectric film electrode 10 connected to the first piezoelectric film 9, the first piezoelectric film 9 can be attached to the wall of the guide cavity 15, and can generate a first detection signal under the compression of the second connecting portion 7, the first piezoelectric film electrode 10 is connected to positive and negative leads, and the first detection signal generated by the first piezoelectric film 9 can be output to an external circuit through the positive and negative leads, so as to facilitate further processing of the first detection signal.
The second signal generating element 11 may also have various structures, and in some embodiments, the second signal generating element 11 may include a second piezoelectric film 12 and a second piezoelectric film electrode 13 connected to the second piezoelectric film 12, and the second piezoelectric film 12 may be disposed on the first surface of the first substrate 1. When the motion sensor 2 senses the heartbeat of the body to be detected, the second piezoelectric film 12 can be vibrated along the direction perpendicular to the first surface and can be pressed, so that the second piezoelectric film 12 generates a second detection signal, and the frequency of the second detection signal is the same as the frequency of the heartbeat. The second piezoelectric thin film electrode 13 may also be connected to positive and negative leads, and a second detection signal generated by the second piezoelectric thin film 12 may be output to an external circuit through the positive and negative leads, so as to further process the second detection signal.
In some embodiments, the sensor may further comprise a body temperature detecting member 18, and the body temperature detecting member 18 may be disposed on the second face of the first substrate 1. Therefore, the sensor can detect the body temperature of a body to be detected while detecting respiration and heartbeat, and simultaneously meets the measurement of various vital parameters.
Specifically, the body temperature detecting assembly 18 in the embodiment of the present invention includes a second substrate 19, a piezoelectric semiconductor layer 20, a first piezoelectric semiconductor electrode 21, a second piezoelectric semiconductor electrode 22, and a detecting circuit, wherein the second substrate 19 is connected to a side of the first substrate 1 opposite to the motion sensing element 2, that is, a second surface of the first substrate 1, and can deform along with a temperature change; the piezoelectric semiconductor layer 20 is connected to the side of the second substrate 19 away from the first substrate 1 in an insulated manner; the first piezoelectric semiconductor electrode 21 and the second piezoelectric semiconductor electrode 22 are fixed on the side of the piezoelectric semiconductor far away from the second substrate 19 and form Schottky contact with the piezoelectric semiconductor layer 20; the detection circuit is connected to the first piezoelectric semiconductor electrode 21 and the second piezoelectric semiconductor electrode 22, respectively.
As shown in fig. 2, the second substrate 19 can deform due to temperature change, for example, when the temperature rises, the second substrate 19 can deform and bend upward, so that the piezoelectric semiconductor layer 20 is stressed upward, the resulting piezoelectric potential affects the schottky barrier height between the first piezoelectric semiconductor electrode 21 and the second piezoelectric semiconductor electrode 22 and the piezoelectric semiconductor layer 20, and the current detected by the detection circuit, and the body temperature of the subject can be calculated by calculating the detected change amount of the circuit.
In some embodiments, the detection circuit may include a power supply module 23 and a current detection device 24, and the first piezoelectric semiconductor electrode 21, the power supply module 23, the current detection device 24 and the second piezoelectric semiconductor electrode 22 are sequentially connected in series. The power supply module 23 is used for supplying power to the detection circuit, and the current detection device 24 is used for detecting the current change between the first piezoelectric semiconductor electrode 21 and the second piezoelectric semiconductor electrode 22. It should be noted that the body temperature detecting unit 18 is not limited to the above-described structure.
The embodiment of the invention also provides the electronic equipment, which applies the sensor. This electronic equipment can be for intelligent wrist-watch, intelligent bracelet, medical detection device etc. and here does not restrict electronic equipment's concrete form, as long as use this sensor can realize detecting simultaneously breathing, heartbeat and body temperature to realize higher detection effect can.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (13)
1. A sensor, comprising:
the sensor comprises a first base body and a second base body, wherein the first base body is provided with a first surface, and a first sensing part is arranged on the first surface;
a first signal generating component and a second signal generating component, both disposed on the first face;
the motion sensing piece is arranged on the first surface, a vibration gap is formed between the motion sensing piece and the first surface, and a second sensing part and a third sensing part are arranged on the motion sensing piece;
the first sensing part and the second sensing part can move back to back and drive the first base body and the motion sensing part to move so as to trigger the first signal generation assembly to generate a first detection signal; the third sensing part is used for sensing external vibration and driving the motion sensing part to vibrate along a direction perpendicular to the first surface so as to trigger the second signal generation assembly to generate a second detection signal.
2. The sensor of claim 1, wherein the motion-sensing element is movably coupled to the first substrate by first and second coupling portions thereon.
3. A sensor according to claim 2, wherein the first connection forms the second sensing portion, the second connection being for triggering the first signal generating component.
4. The sensor of claim 3, wherein the first sensing portion comprises a protrusion disposed on the first face.
5. The sensor of claim 4, wherein a guide cavity is provided in the projection, the first signal generating assembly being disposed within the guide cavity, the second coupling portion being movably coupled within the guide cavity.
6. The sensor of claim 4, wherein the motion sensor further comprises a reset element, and the reset element is configured to apply a reset elastic force to the motion sensor, so that the second connecting portion resets after triggering the first signal generating assembly.
7. A sensor according to claim 3, wherein the first face is provided with a rail to which the first coupling portion is movably coupled.
8. The sensor of claim 1, wherein the second signal generating assembly is disposed within the vibration gap and the third sensing portion is located on a side of the motion-inducing member remote from the first face.
9. The sensor of claim 1, wherein the first signal generating component and the second signal generating component each comprise a piezoelectric film and an electrode connected to the piezoelectric film.
10. The sensor of any one of claims 1-8, wherein the first substrate further has a second side opposite the first side, the second side having a body temperature sensing component disposed thereon.
11. The sensor of claim 10, wherein the body temperature sensing assembly comprises:
a second substrate which is connected to the second surface of the first substrate and can be deformed with a change in temperature;
the piezoelectric semiconductor layer is connected to one side, far away from the first base body, of the second base body in an insulated mode;
the first electrode and the second electrode are fixed on one side, far away from the second base body, of the piezoelectric semiconductor and form Schottky contact with the piezoelectric semiconductor layer;
and the detection circuit is respectively connected with the first electrode and the second electrode.
12. The sensor of claim 11, wherein the detection circuit comprises a power supply module and a current detection device, and the first electrode, the power supply module, the current detection device and the second electrode are sequentially connected in series.
13. An electronic device, characterized in that it comprises a sensor according to any one of claims 1-12.
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| CN201910251440.7A CN109907749B (en) | 2019-03-29 | 2019-03-29 | Sensor and electronic device |
| PCT/CN2020/076685 WO2020199795A1 (en) | 2019-03-29 | 2020-02-26 | Sensor and electronic device and vital signs detection method |
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| CN201910251440.7A CN109907749B (en) | 2019-03-29 | 2019-03-29 | Sensor and electronic device |
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| CN109907749B true CN109907749B (en) | 2020-11-17 |
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| CN106562761A (en) * | 2016-08-10 | 2017-04-19 | 深圳市格兰莫尔寝室用品有限公司 | Physiological signal collection device, method and sleep monitoring and improving device |
| WO2018054665A1 (en) * | 2016-09-22 | 2018-03-29 | Koninklijke Philips N.V. | Sensor positioning using electroactive polymers |
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| JP2001190526A (en) * | 2000-01-07 | 2001-07-17 | Minolta Co Ltd | Posture detecting device and respiratory function measuring device |
| CN1751652A (en) * | 2004-09-23 | 2006-03-29 | 吕晓东 | Wrist examination device and method for testing cardiac cycle and respiration rate |
| JP5463510B2 (en) * | 2010-06-22 | 2014-04-09 | 独立行政法人科学技術振興機構 | Physical quantity sensor and manufacturing method thereof |
| FR3006112B1 (en) * | 2013-05-24 | 2016-10-21 | Chambre De Commerce Et D'industrie De Region Paris Ile De France | PROCESS FOR MANUFACTURING A FLEXIBLE PIEZOELECTRIC SENSOR |
| WO2015064216A1 (en) * | 2013-10-28 | 2015-05-07 | 株式会社村田製作所 | Piezoelectric sensor |
| CN103900726B (en) * | 2014-04-01 | 2016-11-23 | 北京纳米能源与系统研究所 | Piezoelectric temperature sensor |
| CN105520734B (en) * | 2014-10-25 | 2018-12-21 | 广东工业大学 | A kind of device for detecting respiratory |
| BR112017012451A2 (en) * | 2014-12-15 | 2018-02-20 | Koninklijke Philips Nv | physical monitoring systems |
| CN204654937U (en) * | 2014-12-16 | 2015-09-23 | 张紫豪 | A kind of condenser type respiratory wave checkout gear |
| RU2593797C1 (en) * | 2015-05-06 | 2016-08-10 | Общество С Ограниченной Ответственностью "Хилби" | Sensor unit |
| WO2018147643A2 (en) * | 2017-02-08 | 2018-08-16 | 주식회사 본브레테크놀로지 | Thoracic measuring device, scoliosis correction system, remote spinal diagnostic system, and wearable measuring device |
| CN108175411B (en) * | 2017-12-01 | 2021-04-02 | 代润萱 | Detection device and detection method, waistband and waistband using method |
| CN109907749B (en) * | 2019-03-29 | 2020-11-17 | 京东方科技集团股份有限公司 | Sensor and electronic device |
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| CN106562761A (en) * | 2016-08-10 | 2017-04-19 | 深圳市格兰莫尔寝室用品有限公司 | Physiological signal collection device, method and sleep monitoring and improving device |
| WO2018054665A1 (en) * | 2016-09-22 | 2018-03-29 | Koninklijke Philips N.V. | Sensor positioning using electroactive polymers |
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