CN210961929U - Sensor assembly and wearable device - Google Patents
Sensor assembly and wearable device Download PDFInfo
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- CN210961929U CN210961929U CN201921436065.5U CN201921436065U CN210961929U CN 210961929 U CN210961929 U CN 210961929U CN 201921436065 U CN201921436065 U CN 201921436065U CN 210961929 U CN210961929 U CN 210961929U
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Abstract
The utility model discloses a sensor assembly and wearable equipment, wherein the sensor assembly comprises a double-sided circuit board; the controller is arranged on one surface of the double-sided circuit board; inertial sensor and pulse sensor, inertial sensor with pulse sensor all with double-sided circuit board electric connection, inertial sensor with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller. The utility model discloses technical scheme aims at improving intelligent wearing equipment's function, and can not occupy the more area of intelligent wearing equipment.
Description
Technical Field
The utility model relates to a wearable equipment technical field, in particular to sensor assembly and applied this sensor assembly's wearable equipment.
Background
At present, with the development of science and technology, products mainly used for health application are gradually and widely applied to the society. The technological advances in integrated circuit technology and microchip manufacturing have made many more advances, such as smart wearable devices. But intelligent wearing equipment function among the correlation technique is comparatively single, and the intelligent wearing equipment that the function is abundant leads to intelligent wearing equipment's area great because of the increase of its circuit density and circuit performance. Users are increasingly moving towards smaller, more functional products. Therefore, a device which can improve the functions of the intelligent wearable device and does not occupy more area of the intelligent wearable device is urgently needed.
The above description is only for the purpose of aiding understanding of the technical solutions of the present application and does not represent an admission of prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sensor module aims at improving intelligent wearing equipment's function, and can not occupy the more area of intelligent wearing equipment.
To achieve the above object, the present invention provides a sensor assembly, including:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and pulse sensor, inertial sensor with pulse sensor all with double-sided circuit board electric connection, inertial sensor with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller.
Optionally, the pulse sensor includes a light source and a light sensor, the light sensor is configured to receive reflected light emitted from the light source after the light source exits the sensor assembly, the light source and the light sensor are both electrically connected to the double-sided circuit board, and the double-sided circuit board is further provided with a first retaining wall, which is located between the light source and the light sensor and is used to prevent the emitted light from the light source from directly entering the light sensor.
Optionally, the number of the light sources is multiple, the light sources are arranged at intervals along the circumferential direction of the light sensor and are all connected with the double-sided circuit board, and a first retaining wall for preventing emergent light of the light source from directly entering the light sensor is arranged between the light sensor and each light source.
Optionally, the double-sided circuit board is further provided with a second retaining wall, and the second retaining wall is located on one side of the light source, which is away from the light sensor.
Optionally, the sensor assembly further comprises a light-transmitting mirror, the light-transmitting mirror is arranged on one side, away from the double-sided circuit board, of the light source and the light sensor, and an accommodating space for accommodating the pulse sensor is formed between the light-transmitting mirror and the double-sided circuit board.
Optionally, the width of the first retaining wall gradually decreases from the double-sided circuit board to the light-transmitting mirror;
and/or the width of the second retaining wall is gradually reduced from the double-sided circuit board to the light-transmitting mirror.
Optionally, the surfaces of the first retaining wall and the second retaining wall facing the light source are provided with reflective films.
Optionally, the inertial sensor and the controller are both arranged on the same surface of the double-sided circuit board.
Optionally, the sensor assembly is further provided with a protective layer, and the protective layer is arranged on one side of the controller, which is away from the double-sided circuit board, and covers the double-sided circuit board.
Optionally, the double-sided circuit board comprises a circuit board body, the circuit board body comprises a first mounting surface and a second mounting surface which are oppositely arranged, the first mounting surface is sunken to form a first sinking platform, the second mounting surface is sunken to form a second sinking platform, the first sinking platform is used for mounting the controller and/or the inertial sensor, and the second sinking platform is used for mounting the pulse sensor.
The utility model also provides a wearable equipment, including sensor assembly, this sensor assembly includes: a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and pulse sensor, inertial sensor with pulse sensor all with double-sided circuit board electric connection, inertial sensor with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller.
The utility model discloses technical scheme sets up the controller through a surface at sensor module's double-sided circuit board to deviating from at double-sided circuit board the surface of controller sets up pulse sensor and/or electrocardiogram sensor's sensing chip, owing to will be used for signal processing's electronic components and parts setting separately with the electronic components who is used for gathering signal through double-sided circuit board, has reduced sensor module's area occupied. Furthermore, an Inertial sensor (Inertial measurement unit, IMU for short) is an Inertial measurement unit, the IMU is a device for measuring the three-axis attitude angle (or angular velocity) and acceleration of an object, generally, an IMU is internally provided with a three-axis gyroscope and accelerometers in three directions to measure the angular velocity and acceleration of the object in a three-dimensional space, and a pulse sensor, an electrocardiography (PPG) sensor, is a PPG sensor, which calculates optical signals by calculating the optical signals by using the principles of optical incidence, absorption and reflection to obtain the pulse, respiration, blood oxygen, blood pressure and other information of a user, so that the Inertial sensor and the pulse sensor can be arranged to obtain more physiological information of a human body, and the functionality of the sensor assembly is improved, thus, the technical scheme of the utility model can improve the functions of the intelligent wearable device, and can not occupy more area of intelligent wearing equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a sensor assembly according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the sensor assembly of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the sensor assembly of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
30 | |
| 10 | Double- |
31 | |
| 11 | |
32 | |
| 111 | |
50 | |
| 112 | |
60 | Light-transmitting |
| 12 | First |
70 | Containing |
| 13 | Second |
80 | |
| 20 | |
90 | Reflective film |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a sensor assembly 100.
Referring to fig. 1 to 3, the present invention provides a sensor assembly 100 including a double-sided circuit board 10; the controller 20 is arranged on one surface of the double-sided circuit board 10; the pulse sensor comprises an inertial sensor 50 and a pulse sensor 30, wherein the inertial sensor 50 and the pulse sensor 30 are both electrically connected with the double-sided circuit board 10, and at least one of the inertial sensor 50 and the pulse sensor 30 is arranged on the surface of the double-sided circuit board 10, which is far away from the controller 20.
The utility model discloses technical scheme sets up controller 20 through a surface at sensor module 100's double-sided circuit board 10 to deviating from at double-sided circuit board 10 the surface of controller 20 sets up pulse sensor 30 and/or electrocardiogram sensor's sensing chip, owing to will be used for the electronic components of signal processing and the electronic components that is used for gathering the signal through double-sided circuit board 10 and divide the face to set up, has reduced sensor module 100's area occupied. Furthermore, the Inertial sensor 50 (Inertial measurement unit, IMU for short) is an Inertial measurement unit (Inertial measurement unit), the IMU is a device for measuring the three-axis attitude angle (or angular velocity) and acceleration of an object, generally, a three-axis gyroscope and three-direction accelerometers are installed in an IMU for measuring the angular velocity and acceleration of the object in a three-dimensional space, and the pulse sensor 30 is a PPG (Photoplethysmography), which uses the principles of optical incidence, absorption and reflection to calculate the optical signal through calculation to obtain the pulse, respiration, blood oxygen, blood pressure and other information of the user, so that the Inertial sensor 50 and the pulse sensor 30 can obtain more physiological information of the human body, and the functionality of the sensor assembly 100 is improved, thus, the technical scheme of the utility model can improve the function of the intelligent wearable device, and can not occupy more area of intelligent wearing equipment.
The double-sided circuit board 10 may be a printed circuit board, and the material thereof may be FR4 epoxy resin board; or the double-sided circuit board 10 may be a flexible circuit board made of any one of polydimethylsilane, polyimide, polyethylene, polyvinylidene fluoride, and natural rubber. Or the double-sided circuit board 10 is a combination of hard circuit boards and flexible circuit boards, and the number of circuit layers can be single-layer, double-layer or multi-layer.
The Controller 20 may be an MCU (Micro Controller Unit) which is suitable for processing, diagnosing and calculating various data of different information sources, and may improve the response of the sensor assembly 100. It can be understood that the PPG sensor is in contact with the skin of the user to measure the optical signal, the IMU can be used to measure the movement information of the user, such as the speed, orientation, and acceleration, and the controller 20 processes the optical signal and the movement information of the user to obtain the accurate physiological state of the user.
In an embodiment of the present application, the sensor assembly 100 further includes a temperature sensor electrically connected to the double-sided circuit board 10, and the temperature sensor further includes a temperature detection head, which is close to the skin of the user when the sensor assembly 100 is used, so as to detect the body temperature of the user. Therefore, the body temperature of the user is detected, the motion state of the user is judged in an auxiliary mode through the body temperature of the user, and the measurement accuracy of the motion state of the user is improved.
In an embodiment of the present application, the sensor assembly 100 further includes a memory that can be configured to hold generated sensor data (e.g., IMU information, temperature sensor information, or other physiological information) or information indicative of acceleration and/or temperature and/or other physiological information derived from the sensor data, hi addition, according to some embodiments, the memory can be configured to store computer program code for controlling the controller 20.
In an embodiment of the present application, the sensor assembly 100 further includes a wireless transmission device electrically connected to the double-sided circuit board 10 and used for the communication connection between the sensor assembly 100 and the mobile terminal. The sensor assembly 100 is thus able to optically communicate (e.g., wirelessly) with a user device, such as a smartphone, via an application (e.g., program) running on the smartphone. The wireless transmission device is arranged to enable the sensor assembly 100 to transmit the measurement information of the motion state of the user in real time, so that the user can know the motion state information in real time.
In an embodiment of the present application, the sensor assembly 100 further comprises a power source, which may be any type of rechargeable (or disposable) power source for an electronic device, such as, but not limited to, one or more electrochemical cells or batteries, one or more photovoltaic cells, or a combination thereof. In the case of photovoltaic cells, these cells are capable of charging one or more electrochemical cells and/or levels. According to some embodiments, the power source may be a small battery or capacitor that stores sufficient electrical energy to power up the device before the energy is depleted and to perform a predetermined sequence of procedures, such as an NFC (near field Communication) profile or RFID (Radio Frequency Identification) based sensing device.
Referring to fig. 1 to 3, in an embodiment of the present application, the pulse sensor 30 includes a light source 31 and a light sensor 32, the light sensor 32 is configured to receive reflected light emitted from the light source 31 after exiting from the sensor assembly 100, the light source 31 and the light sensor 32 are both electrically connected to the double-sided circuit board 10, the double-sided circuit board 10 is further provided with a first retaining wall 12, and the first retaining wall 12 is located between the light source 31 and the light sensor 32 and is configured to prevent the emitted light from the light source 31 from directly entering the light sensor 32. The pulse sensor 30 mainly detects by means of PhotoPlethysmoGraphy (PPG), which is a non-invasive detection method for detecting blood volume changes in living tissue by means of photoelectric means, and a light source 31 is provided to transmit a light beam of a certain wavelength to a light sensor 32 by means of transmission or reflection when the light beam is irradiated to the skin surface of the finger tip. In the process, the light intensity detected by the light sensor 32 is weakened due to the absorption attenuation effect of finger tip skin muscles and blood, wherein the absorption of light by skin, muscle tissues and the like is kept constant in the whole blood circulation, the blood volume in the skin is pulsated and changed under the action of the heart, the peripheral blood volume is the largest when the heart contracts, the light absorption amount is also the largest, and the detected light intensity is the smallest; when the heart is in diastole, the detected light intensity is opposite to the detected light intensity, so that the light intensity received by the light receiver is changed in a pulsating mode, and the light intensity change signal is converted into an electric signal, so that the change of the volume pulse blood flow can be obtained. Therefore, the change of the volume pulse blood flow obtains physiological information including heart beat function, blood flow (blood oxygen, blood pressure) and the like. As such, the accuracy of the measurement of the physiological state of the user by the sensor assembly 100 may be improved.
The first retaining wall 12 positioned between the light source 31 and the light sensor 32 is used for guiding the light emitted by the light source 31, so that the light can better irradiate the skin of the user; in addition, the light emitted from the light source 31 is prevented from directly entering the light sensor 32, which affects the detection result of the light sensor 32, and the measurement accuracy of the sensor assembly 100 on the physiological status of the user is further improved. In this embodiment, the first retaining wall 12 may be formed by injection molding or 3D printing, and the material of the first retaining wall 12 may be a plastic piece or a rubber piece, as long as it is convenient to block light.
And, in one embodiment, the light source 31 may be an L ED light emitter that emits light by releasing energy through recombination of electrons and holes, and the light emitting diode may efficiently convert electric energy into light energy, thereby ensuring the intensity of the light energy and improving the accuracy of the sensor assembly 100 in measuring the physiological state of the user. in addition, the type of the light source 31 is not limited to L ED light sources 31, and other types of light sources 31 may be used, such as incandescent, fluorescent, discharge, and other light emitters.
In an embodiment of the present application, the number of the light sources 31 is plural, the light sources 31 are arranged along the circumference of the light sensor 32 at intervals and are all connected to the double-sided circuit board 10, and a first retaining wall 12 for preventing the emergent light of the light source 31 from directly entering the light sensor 32 is arranged between the light sensor 32 and each of the light sources 31. Through setting up a plurality of light sources 31 to can improve the light energy of sensor subassembly 100 emergent light greatly, thereby make more light participate in the detection of human physiological information, set up light source 31 along light sensor 32's circumference interval and can make light distribute evenly around light sensor 32, and light sensor 32 can receive more light energy, improved sensor subassembly 100 to the measuring accuracy of user's physiological status. Similarly, when a plurality of light sources 31 are disposed, the first retaining wall 12 needs to be disposed between the light sensor 32 and each light source 31, so as to avoid detecting noise, which is not described herein.
Referring to fig. 1 to 3, in an embodiment of the present application, the sensor assembly 100 further includes a transparent mirror 60, the transparent mirror 60 is disposed on a side of the light source 31 and the light sensor 32 away from the double-sided circuit board 10, and an accommodating space 70 for accommodating the pulse sensor 30 is formed between the transparent mirror 60 and the double-sided circuit board 10. The light-transmitting mirror 60 is provided to protect the pulse sensor 30 and to facilitate the light of the light source 31 to exit from the sensor assembly 100 to the skin. In an embodiment, the transparent mirror 60 is disposed on a surface of the first retaining wall 12 facing away from the double-sided circuit board 10 (and/or a surface of the second retaining wall 13 facing away from the double-sided circuit board 10), so that an accommodating space 70 for accommodating the pulse sensor 30 is formed between the transparent mirror 60 and the double-sided circuit board 10, and the installation of the pulse sensor 30 is facilitated.
Referring to the drawings, in an embodiment of the present application, the width of the first retaining wall 12 gradually decreases from the double-sided circuit board 10 to the transparent mirror 60; at this time, the cross section of the first retaining wall 12 is substantially trapezoidal, and it should be noted that, the width of the first retaining wall 12 is the direction from the light source 31 to the light sensor 32, and the distance between the two end surfaces of the first retaining wall 12 is reduced to a certain extent (the support of the transparent mirror 60 needs to be considered), so that the area of the light outlet of the light source 31 can be increased, thereby increasing the light output amount of the emergent light, further increasing the light energy, so that the light source 31 has sufficient light to participate in the detection of the physiological parameters of the human body, and increasing the measurement accuracy of the sensor assembly 100 on the physiological state of the user.
Referring to fig. 2, in an embodiment of the present application, the width of the second retaining wall 13 gradually decreases from the double-sided circuit board 10 to the transparent mirror 60. Similarly, the width of the second wall 13 is the distance between two end surfaces of the second wall 13 in the direction from the light source 31 to the light sensor 32. At this time, the cross section of the second baffle wall 13 is substantially trapezoidal, so that the area of the light outlet of the light source 31 can be increased, the light output amount can be increased, the measurement accuracy of the sensor assembly 100 on the physiological state of the user can be improved, and the size of the sensor assembly 100 can be reduced to a certain extent, so that the miniaturization of the product is facilitated.
In an embodiment of the present application, the surfaces of the first retaining wall 12 and the second retaining wall 13 facing the light source 31 are provided with a reflective film 90. With such an arrangement, the emergent light of the light source 31 can be reflected by the reflective film 90, so that the light output of the light source 31 is improved, and the measurement accuracy of the sensor assembly 100 on the physiological state of the user is further improved. And when the cross-section of first barricade 12 and second barricade 13 all is trapezoidal setting, set up reflective membrane 90 and can improve the outgoing to light greatly, avoid light source 31 to lose the light energy of outgoing light after the diffuse reflection between first barricade 12 and second barricade 13, and then improve sensor assembly 100 to the measuring accuracy of user's physiological state.
In an embodiment of the present application, the inertial sensor 50 and the controller 20 are both disposed on the same surface of the dual-sided circuit board 10. In this embodiment, considering that the pulse sensor 30 needs to receive and send out the optical signal, the pulse sensor 30 is separately arranged on one side to facilitate the transmission of the optical signal and the use of the user. And the area of the light outlet of the light source 31 is ensured, so that the light output amount is improved, and the measurement accuracy of the sensor assembly 100 on the physiological state of the user is improved.
Referring to fig. 1 to 3, in an embodiment of the present application, the sensor assembly 100 is further provided with a protection layer 80, and the protection layer 80 is disposed on a side of the controller 20 facing away from the double-sided circuit board and covers the double-sided circuit board 10. The protective layer 80 is provided to protect the electronic components on the side of the double-sided circuit board 10 where the controller 20 is provided, thereby improving the service life of the sensor assembly 100. This protective layer 80 can be formed through mould molding or three-dimensional printing to make protective layer 80 laminate in the surface that double-sided circuit board 10 needs the protection, improve the protection effect to locating the electronic components on this surface.
Referring to fig. 3, in an embodiment of the present application, the double-sided circuit board 10 includes a circuit board body 11, the circuit board body 11 includes a first mounting surface and a second mounting surface which are oppositely disposed, the first mounting surface is recessed to form a first sinking platform 111, the second mounting surface is recessed to form a second sinking platform 112, the first sinking platform 111 is used for mounting the controller 20 and/or the inertial sensor 50, and the second sinking platform 112 is used for mounting the pulse sensor 30. By forming the first sinking platform 111 on the first mounting surface of the circuit board body 11 of the double-sided circuit board 10 and forming the second sinking platform 112 on the second mounting surface, the mounting of the electronic components (the inertial sensor 50, the pulse sensor 30 and the controller 20) on the double-sided circuit board 10 can be arranged in the first sinking platform 111 and/or the second sinking platform 112, so that the height of the electronic components with higher height after being mounted on the circuit board body 11 is reduced, thereby reducing the thickness of the double-sided circuit board 10. Therefore, the area of the sensor assembly 100 can be reduced well.
In an embodiment of the present application, the first sinking platforms 111 and the second sinking platforms 112 are disposed in a staggered manner. The projection profile formed by projecting the first sinking platform 111 along the sinking direction and the projection profile formed by projecting the second sinking platform 112 along the sinking direction are alternately arranged at intervals on the circuit board body 11. So set up, can avoid sensor assembly 100 in certain regional intensity lower to and the electronic components of this position installation are more, improve sensor assembly 100's structural strength and life. Moreover, the electronic components can be uniformly distributed, and wiring is convenient.
The utility model also provides a wearable device, which comprises a sensor assembly 100, wherein the sensor assembly 100 comprises a double-sided circuit board 10; the controller 20 is arranged on one surface of the double-sided circuit board 10; the pulse sensor comprises an inertial sensor 50 and a pulse sensor 30, wherein the inertial sensor 50 and the pulse sensor 30 are both electrically connected with the double-sided circuit board 10, and at least one of the inertial sensor 50 and the pulse sensor 30 is arranged on the surface of the double-sided circuit board 10, which is far away from the controller 20. Since the wearable device adopts all the technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and are not repeated herein.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (11)
1. A sensor assembly, comprising:
a double-sided circuit board;
the controller is arranged on one surface of the double-sided circuit board;
inertial sensor and pulse sensor, inertial sensor with pulse sensor all with double-sided circuit board electric connection, inertial sensor with at least one of pulse sensor locates double-sided circuit board deviates from the surface of controller.
2. The sensor assembly of claim 1, wherein the pulse sensor comprises a light source and a light sensor, the light sensor is configured to receive reflected light emitted from the light source after the light source exits the sensor assembly, the light source and the light sensor are both electrically connected to the double-sided circuit board, and the double-sided circuit board further has a first retaining wall, the first retaining wall is located between the light source and the light sensor and configured to prevent the emitted light from the light source from directly entering the light sensor.
3. The sensor assembly of claim 2, wherein the number of the light sources is plural, the plural light sources are arranged at intervals along the circumference of the light sensor and are connected to the double-sided circuit board, and a first retaining wall for preventing the light emitted from the light source from directly entering the light sensor is arranged between the light sensor and each of the light sources.
4. The sensor assembly of claim 2, wherein the double-sided circuit board further comprises a second wall, and the second wall is located on a side of the light source facing away from the light sensor.
5. The sensor assembly of claim 4, further comprising a light-transmitting mirror disposed on a side of the light source and the light sensor facing away from the double-sided circuit board, wherein a space for accommodating the pulse sensor is formed between the light-transmitting mirror and the double-sided circuit board.
6. The sensor assembly of claim 5, wherein the width of the first wall gradually decreases from the double-sided circuit board to the light-transmissive mirror;
and/or the width of the second retaining wall is gradually reduced from the double-sided circuit board to the light-transmitting mirror.
7. The sensor assembly of claim 6, wherein the surfaces of the first and second walls facing the light source are provided with reflective films.
8. The sensor assembly of any one of claims 1 to 7, wherein the inertial sensor and the controller are both disposed on the same surface of the double-sided circuit board.
9. The sensor assembly of any one of claims 1 to 7, further comprising a protective layer disposed on a side of the controller facing away from the double-sided circuit board and covering the double-sided circuit board.
10. The sensor assembly of any one of claims 1 to 7, wherein the double-sided circuit board comprises a circuit board body including oppositely disposed first and second mounting faces, the first mounting face recessed to form a first sinker and the second mounting face recessed to form a second sinker, the first sinker for mounting the controller and/or the inertial sensor, the second sinker for mounting the pulse sensor.
11. A wearable device, characterized in that it comprises a sensor assembly according to any of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436065.5U CN210961929U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436065.5U CN210961929U (en) | 2019-08-30 | 2019-08-30 | Sensor assembly and wearable device |
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| CN210961929U true CN210961929U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029908A (en) * | 2023-07-14 | 2023-11-10 | 武汉衡惯科技发展有限公司 | MEMS sensor and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117029908A (en) * | 2023-07-14 | 2023-11-10 | 武汉衡惯科技发展有限公司 | MEMS sensor and manufacturing method thereof |
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