CN214149348U - Capacitive motion capture sensor - Google Patents
Capacitive motion capture sensor Download PDFInfo
- Publication number
- CN214149348U CN214149348U CN202023080360.7U CN202023080360U CN214149348U CN 214149348 U CN214149348 U CN 214149348U CN 202023080360 U CN202023080360 U CN 202023080360U CN 214149348 U CN214149348 U CN 214149348U
- Authority
- CN
- China
- Prior art keywords
- diode
- motion capture
- capture sensor
- transistor
- processing module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model provides a capacitanc motion capture sensor relates to the technical field of sensor. The induction mechanism comprises a plurality of flexible connecting pieces and a plurality of capacitor pieces, a plurality of capacitor pieces are installed on any flexible connecting piece, induction capacitors are formed between the capacitor pieces on the adjacent flexible connecting pieces, and the capacitor pieces are electrically connected with the conversion circuit. Utilize the electric capacity piece to constitute the electric capacity, and catch the action according to the electric capacity value of electric capacity for the action after catching is more accurate, thereby avoids the action effect too stiff.
Description
Technical Field
The utility model relates to a technical field of sensor particularly, relates to a capacitanc motion capture sensor.
Background
Gesture actions are an important interaction mode in the process of interaction between people and the outside world. People express ideas, perceive the objective world and perform various operations by using gesture actions. With the rapid development of the virtual reality technology, the human body gesture information is collected by using the motion capture equipment, so that the design content of the virtual reality can be greatly enriched, the playability of the content is improved, the human-computer interaction efficiency is improved, and the application range of the virtual reality system is widened. At present, most of infrared motion capture technologies in the market mainly use limbs as workers, and because the motion amplitude of the parts is large, the infrared motion capture cameras can easily identify the mark points of the parts. However, the hand motion is fine, and reasonable motion capture is not available at present, so that when the motion capture actor performs the motion, the motion matched with the hand cannot be recorded simultaneously, only the hand animation can be added manually in the later period, and finally the generated picture looks stiff.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a capacitanc motion capture sensor, it can improve the sensitivity of motion capture, increases the degree of accuracy of motion capture.
The embodiment of the utility model is realized like this:
the embodiment of the application provides a capacitive motion capture sensor, it includes induction mechanism and the converting circuit who is connected with induction mechanism electricity, and induction mechanism includes a plurality of flexible connectors and a plurality of electric capacity piece, installs a plurality of electric capacity pieces on arbitrary flexible connector, forms induction capacitance between the electric capacity piece on the adjacent flexible connector, and electric capacity piece is connected with the converting circuit electricity.
In some embodiments of the present invention, the capacitor plates on adjacent flexible connectors are in one-to-one correspondence.
In some embodiments of the present invention, in adjacent flexible connectors, one capacitor plate on one of the flexible connectors corresponds to a plurality of capacitor plates on the other flexible connector.
In some embodiments of the utility model, still include the wiring port, the electric capacity piece is connected with the wiring port, and the wiring port is connected with converting circuit.
In some embodiments of the present invention, the connection port is circular.
The utility model discloses an in some embodiments, converting circuit includes processing module, pulse amplification circuit and power module, and processing module passes through pulse amplification circuit and is connected with response mechanism, and response mechanism's output is connected with processing module's input, and processing module's input is connected with power module's output, and pulse amplification circuit's input is connected with power module's output.
In some embodiments of the invention, the processing module is of the type ARDUINOMINIPRO.
In some embodiments of the present invention, the pulse amplifying circuit includes a resistor R8, a resistor R9, a resistor R10, a diode D4, a transistor Q4, an inductor L4, and a capacitor C4, a base of the transistor Q4 is connected to one end of the resistor R4, another end of the resistor R4 is connected to a P4 pin of the processing module, the resistor R4 is connected in parallel with the resistor R4, a collector of the transistor Q4 is connected to a collector of the transistor Q4 and an anode of the diode D4, a base of the transistor Q4 is connected to the base of the transistor Q4, an emitter of the transistor Q4 is grounded to a common terminal of the emitter of the transistor Q4, one end of the inductor L4 is connected to a cathode of the diode D4, another end of the inductor L4 is connected to an anode of the diode D4, an anode of the diode D4 is connected to a power supply module, an anode of the diode D4 is connected to a cathode of the diode D4, and a cathode of the diode D4, the collector of the triode D6 is connected with the cathode of the diode, the base of the triode D6 is connected with the P9 pin of the processing module, the triode D6 is grounded, the common end of the diode D4 and the diode D5 is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, one end of the resistor R10 is connected with the cathode of the diode, and the other end of the resistor R10 is connected with the emitter of the triode.
In some embodiments of the present invention, the sensing mechanism further includes a sensing circuit module, the P10-P17 pin of the sensing circuit module is correspondingly connected to the P0-P7 pin of the processing module, and the P18 pin of the sensing circuit module is connected to the negative electrode of the diode D5.
In some embodiments of the present invention, the power supply further comprises a wireless transceiver module, a TX2 pin of the wireless transceiver module is connected to an RX1 pin of the processing module, an RX2 pin of the wireless transceiver module is connected to a TX1 pin of the processing module, and an input end of the wireless transceiver module is connected to an output end of the power supply module.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
the utility model provides a capacitanc motion capture sensor, includes induction mechanism and the converting circuit who is connected with induction mechanism electricity, and induction mechanism includes a plurality of flexible connectors and a plurality of electric capacity piece, installs a plurality of electric capacity pieces on arbitrary flexible connector, forms induction capacitance between the electric capacity piece on the adjacent flexible connector, and the electric capacity piece is connected with the converting circuit electricity.
In the prior art, an infrared motion capture sensor, an optical fiber motion capture sensor or a pressure motion capture sensor is mostly used for the motion capture sensor, but the infrared motion capture sensor and the pressure motion capture sensor have low precision, so that although most motions can be captured, small motions cannot be accurately identified, and the captured motion error is large; although the optical fiber motion capture sensor is accurate in capture, the optical fiber motion capture sensor is expensive in manufacturing cost and easy to damage. Therefore, the capacitive motion capture sensor is designed to capture motion by using the change of capacitance values in the capacitor, and the main principle is that the curvature of the capacitor is used for changing the dead area of the capacitor, so that the capacitance value is changed, and the capacitance values are changed. In addition, the capacitor plate has lower manufacturing cost and higher accuracy, so that the replacement and maintenance cost is reduced, and the popularization and the use are more facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic distribution diagram 1 of capacitor plates in the present invention;
fig. 2 is a schematic distribution diagram 2 of capacitor plates in the present invention;
fig. 3 is a schematic circuit diagram of the middle switching circuit of the present invention.
Icon: 1-a flexible connection; 2-a capacitor plate; 3-a wiring port; 4-a wireless transceiver module; 5-a processing module; 6-a sensing circuit module; 7-a pulse amplification circuit; 8-power supply module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
As shown in fig. 1, a capacitive motion capture sensor is provided for this embodiment, which includes a sensing mechanism and a conversion circuit electrically connected to the sensing mechanism, where the sensing mechanism includes a plurality of flexible connecting members 1 and a plurality of capacitor plates 2, a plurality of capacitor plates 2 are installed on any flexible connecting member 1, a sensing capacitor is formed between the capacitor plates 2 on adjacent flexible connecting members 1, and the capacitor plates 2 are electrically connected to the conversion circuit.
In some embodiments of the present invention, since in the prior art, most of the motion capture sensors are infrared motion capture sensors, optical fiber motion capture sensors, or pressure motion capture sensors, but the infrared motion capture sensors and the pressure motion capture sensors have low precision, although they can capture most of the motions, the small motions cannot be accurately identified, resulting in large captured motion errors; although the optical fiber motion capture sensor is accurate in capture, the optical fiber motion capture sensor is expensive in manufacturing cost and easy to damage. Therefore, the capacitive motion capture sensor is designed to capture motion by using the change of the capacitance value in the capacitor, and the main principle is that the curvature of the capacitor is used for changing the dead area of the capacitor, so that the capacitance value is changed, and the capacitive motion capture sensor is provided with the plurality of capacitor plates 2, so that the capacitive motion capture sensor is designed to move at each position and can change the capacitor plates 2 as much as possible, thereby accurately capturing the motion at each position, and the accuracy of the capacitive motion capture sensor is higher as the number of the capacitive motion capture sensor is larger. In addition, the manufacturing cost of the capacitor plate 2 is low, the accuracy is high, the replacement and maintenance cost is reduced, and the popularization and the use are facilitated.
The utility model discloses an in some embodiments, this kind of capacitanc motion capture sensor still need can the complete emulation out the action through mathematical computation after measuring the capacitance value, and its concrete principle is as follows:
wherein C isnN is 0, 1, 2 … for the capacitance data series obtained from the circuit;
whereby its local curvature is calculated as:
θ0＝0，θn＝θn-1+dθn；
and (3) calculating the integral bending degree:
as shown in fig. 1, in some embodiments of the present invention, the capacitor plates 2 on adjacent flexible connectors 1 correspond one-to-one.
The utility model discloses an in some embodiments, can set up the initial condition for under straight state, two electric capacity pieces 2 that lie in about on adjacent flexible connector 1 are just to setting up promptly, when the user begins to move, electric capacity piece 2 just begins to take place crooked or dislocation, and just facing the area of electric capacity reduces from this, and electric capacity changes to obtain the signal that electric capacity changes, calculate the movement track by above-mentioned mathematical computation again, reach the effect that the action was caught from this.
As shown in fig. 2, in some embodiments of the present invention, in adjacent flexible connecting members 1, one capacitor plate 2 on one flexible connecting member 1 corresponds to a plurality of capacitor plates 2 on another flexible connecting member 1.
The utility model discloses an in some embodiments, this design can also correspond setting with a electric capacity piece 2 and a plurality of electric capacity piece 2, and 2 intervals of electric capacity piece can also set up great, its aim at, 2 intervals of electric capacity piece are big more, and the corresponding relation of capacitance value and crookedness is just more obvious to make the accuracy of action seizure higher, improved the accuracy. Since the distance between the capacitor plates 2 is relatively long, the capacitance value thereof is also smaller and smaller, and therefore, in order to increase the capacitance value, a dielectric material for improving the capacitance, such as water, is disposed between the third capacitor plate 2 and the fourth capacitor plate 2; meanwhile, conductor sheets can be directly added, so that the overall equivalent dielectric constant is improved, the purpose of amplifying the capacitance value is achieved, and the accuracy of motion capture is further improved.
As shown in fig. 1, in some embodiments of the present invention, the device further includes a connection port 3, the group of capacitor plates 2 is connected to the connection port 3, and the connection port 3 is connected to the conversion circuit pin.
The utility model discloses an in some embodiments, in daily action use, the condition that the device damaged can be met to the inevitable, so for this with response mechanism and converting circuit set up to detachable design, no matter change or when maintaining like this, can both be more convenient and fast, improved the convenience.
As shown in fig. 1, in some embodiments of the present invention, the connection port 3 is circular.
The utility model discloses an in some embodiments, set the circular shape aim at with wiring port 3, with wiring port 3 and converting circuit pin connection, its concrete mode of setting is for setting up a plurality of circular shape wiring ports 3 on the response structure for when lieing in converting circuit connection, converting circuit carries out pin connection with wiring port 3, and its beneficial effect lies in pin connection's mode can be so that connect more stably, thereby has improved stability.
As shown in fig. 3, in some embodiments of the present invention, the conversion circuit includes a processing module 5, a pulse amplification circuit 7 and a power module 8, the processing module 5 is connected to the sensing mechanism through the pulse amplification circuit 7, the output end of the sensing mechanism is connected to the input end of the processing module 5, the input end of the processing module 5 is connected to the output end of the power module 8, and the input end of the pulse amplification circuit 7 is connected to the output end of the power module 8.
In some embodiments of the present invention, the processing module 5 is used for measuring the capacitive motion capture sensor, playing a role in processing and controlling data, and transmitting the measured capacitance data to the terminal after average filtering. The pulse amplifying circuit 7 has an effect that the measurement accuracy is lowered due to a small pulse generated in the processing module 5, and therefore the pulse is reinforced by the amplifying circuit, and the test accuracy is improved.
In some embodiments of the invention, the model of the processing module 5 is ARDUINOMINIPRO.
In some embodiments of the present invention, the processor module is mainly used to measure the capacitance variation of the capacitive motion capture sensor, and mainly plays a role in processing data and transmitting pulses, and it can use ARDUINOMINIPRO chip and also can use 51 single chip microcomputer, and this embodiment adopts ARDUINOMINIPRO chip, and after the capacitance data obtained by measurement is filtered averagely, it is transmitted to the wireless transceiver module 4 through the serial bus RX1, TX1, wherein the P9 pin is used to send out a pulse signal to the sensor capacitance sheet 2, and P0-P7 are analog input pins, and the sensor P10-P17 is connected, and is used to measure the voltage fluctuation caused by the pulse signal on the P10-P17 pin, and the fluctuation is positively correlated with the capacitance size, so the motion to be captured is transmitted in the form of electrical signals.
As shown in fig. 3, in some embodiments of the present invention, the pulse amplifying circuit 7 includes a resistor R8, a resistor R9, a resistor R10, a diode D4, a diode D5, a diode D6, a transistor Q4, an inductor L4, and a capacitor C4, a base of the transistor Q4 is connected to one end of the resistor R4, another end of the resistor R4 is connected to a P4 pin of the processing module 5, the resistor R4 is connected in parallel with the resistor R4, a collector of the transistor Q4 is connected to a collector of the transistor Q4 and an anode of the diode D4, a base of the transistor Q4 is connected to the base of the transistor Q4, an emitter of the transistor Q4 is connected to a common terminal of the emitter of the transistor Q4, one end of the inductor L4 is connected to a cathode of the diode D4, another end of the inductor L4 is connected to an anode of the diode D4, an anode of the diode D368 is connected to an anode of the power supply module 4, the negative electrode of the diode D5 is connected with the induction mechanism, the collector of the triode D6 is connected with the negative electrode of the diode, the base of the triode D6 is connected with the P9 pin of the processing module 5, the triode D6 is grounded, the common end of the diode D4 and the diode D5 is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, one end of the resistor R10 is connected with the negative electrode of the diode, and the other end of the resistor R10 is connected with the emitter of the triode.
In some embodiments of the utility model, because the pulse that directly produces from the ARDUNIMINIPRO chip is less, make the measuring precision lower, consequently enlarge the pulse through pulse amplification circuit 7, thereby cause bigger voltage fluctuation at P10-P17, its magnification can also be adjusted through the P8 pin of the ARDUNIMINIPRO chip, its control range is about 1-5 times of former voltage fluctuation, thereby the degree of accuracy of test has been improved, make the action catch more accurate.
As shown in fig. 3, in some embodiments of the present invention, the sensing mechanism further includes a sensing circuit module 6, pins P10-P17 of the sensing circuit module 6 are correspondingly connected to pins P0-P7 of the processing module 5, and pin P18 of the sensing circuit module is connected to the negative electrode of the diode D5.
The utility model discloses an in some embodiments, set up induction circuit module 6, the arrangement of 2 circuits of electric capacity piece of its aim at convenient induction mechanism because electric capacity piece 2's is in a large number, finds the circuit that corresponds fast when the inconvenient maintenance of mixed and disorderly circuit, so set up induction circuit module 6 to make pin and electric capacity piece 2 on the induction circuit module 6 correspond, alleviateed the work load of this kind of capacitanc action capture sensor maintenance, improved maintenance efficiency.
As shown in fig. 3, in some embodiments of the present invention, the wireless transceiver module 4 is further included, a TX2 pin of the wireless transceiver module 4 is connected to an RX1 pin of the processing module 5, an RX2 pin of the wireless transceiver module 4 is connected to a TX1 pin of the processing module 5, and an input end of the wireless transceiver module 4 is connected to an output end of the power module 8.
In some embodiments of the present invention, in the using process of such capacitive motion capture sensor, if a wired connection is adopted, when a complex motion capture is performed, the sensor will be greatly interfered, so the wireless transceiver module 4 is arranged to be connected with other electronic devices, thereby reducing data lines, and the use is more convenient and flexible, the signal adopted in this embodiment is ESP8266WIFID1, its TX2, RX2 pin is used for obtaining data from RX1 of ARDUINOMINIPRO, TX1 pin, and the data forwarding is realized. The convenience is improved.
To sum up, the embodiment of the utility model provides a capacitanc motion capture sensor, including response mechanism and the converting circuit who is connected with the response mechanism electricity, response mechanism includes a plurality of flexible connectors 1 and a plurality of electric capacity piece 2, installs a plurality of electric capacity pieces 2 on arbitrary flexible connectors 1, forms induction capacitance between the electric capacity piece 2 on the adjacent flexible connectors 1, and electric capacity piece 2 is connected with the converting circuit electricity.
In the prior art, an infrared motion capture sensor, an optical fiber motion capture sensor or a pressure motion capture sensor is mostly used for the motion capture sensor, but the infrared motion capture sensor and the pressure motion capture sensor have low precision, so that although most motions can be captured, small motions cannot be accurately identified, and the captured motion error is large; although the optical fiber motion capture sensor is accurate in capture, the optical fiber motion capture sensor is expensive in manufacturing cost and easy to damage. Therefore, the capacitive motion capture sensor is designed to capture motion by using the change of the capacitance value in the capacitor, and the main principle is that the curvature of the capacitor is used for changing the dead area of the capacitor, so that the capacitance value is changed, and the capacitive motion capture sensor is provided with the plurality of capacitor plates 2, so that the capacitive motion capture sensor is designed to move at each position and can change the capacitor plates 2 as much as possible, thereby accurately capturing the motion at each position, and the accuracy of the capacitive motion capture sensor is higher as the number of the capacitive motion capture sensor is larger. In addition, the manufacturing cost of the capacitor plate 2 is low, the accuracy is high, the replacement and maintenance cost is reduced, and the popularization and the use are facilitated.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The capacitive motion capture sensor is characterized by comprising a sensing mechanism and a conversion circuit electrically connected with the sensing mechanism, wherein the sensing mechanism comprises a plurality of flexible connecting pieces and a plurality of capacitor pieces, a plurality of capacitor pieces are installed on any flexible connecting piece, sensing capacitors are formed between the capacitor pieces on the adjacent flexible connecting pieces, and the capacitor pieces are electrically connected with the conversion circuit.
2. The capacitive motion capture sensor of claim 1, wherein the capacitive plates on adjacent flexible connectors are in one-to-one correspondence.
3. The capacitive motion capture sensor of claim 1 wherein adjacent ones of the flexible connectors have one capacitive plate on one flexible connector corresponding to a plurality of capacitive plates on another flexible connector.
4. The capacitive motion capture sensor of claim 1, further comprising a wiring port, the capacitive plate being connected to the wiring port, the wiring port being connected to the conversion circuit.
5. The capacitive motion capture sensor of claim 4, wherein the wiring port is circular.
6. The capacitive motion capture sensor of claim 1, wherein the conversion circuit comprises a processing module, a pulse amplification circuit, and a power module, wherein the processing module is connected to the sensing mechanism through the pulse amplification circuit, an output of the sensing mechanism is connected to an input of the processing module, and the power module is connected to the processing module and the pulse amplification circuit, respectively.
7. The capacitive motion capture sensor of claim 6, wherein the processing module is of the model ARDUINOMINIPRO.
8. The capacitive motion capture sensor according to claim 7, wherein the pulse amplification circuit comprises a resistor R8, a resistor R9, a resistor R10, a diode D4, a diode D5, a diode D6, a transistor Q4, a transistor Q5, a transistor Q6, an inductor L2 and a capacitor C5, wherein a base of the transistor Q4 is connected to one end of the resistor R8, the other end of the resistor R8 is connected to the P8 pin of the processing module, the resistor R9 is connected in parallel to the resistor R8, a collector of the transistor Q4 is connected to the collector of the transistor Q5 and the anode of the diode D4, a base of the transistor Q5 is connected to the base of the transistor Q4, an emitter of the transistor Q4 is connected to the common terminal of the emitter of the transistor Q5, one end of the inductor L2 is connected to the cathode of the diode D6, and the other end of the inductor L2 is connected to the anode of the diode D4, the positive pole of the diode D6 is connected with the power module, the positive pole of the diode D5 is connected with the negative pole of the diode D4, the negative pole of the diode D5 is connected with the induction mechanism, the collector of the triode D6 is connected with the negative pole of the diode, the base of the triode D6 is connected with the P9 pin of the processing module, the grounding of the triode D6 is connected with the common end of the diode D4 and the diode D5 is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, one end of the resistor R10 is connected with the negative pole of the diode, and the other end of the resistor R10 is connected with the emitter of the triode.
9. The capacitive motion capture sensor of claim 8 wherein the sensing mechanism further comprises a sensing circuit module having pins P10-P17 connected to corresponding pins P0-P7 of the processing module, and pin P18 connected to the negative terminal of the diode D5.
10. The capacitive motion capture sensor of claim 9 further comprising a wireless transceiver module having a TX2 pin connected to the RX1 pin of the processing module, an RX2 pin connected to the TX1 pin of the processing module, and an input connected to the output of the power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080360.7U CN214149348U (en) | 2020-12-17 | 2020-12-17 | Capacitive motion capture sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023080360.7U CN214149348U (en) | 2020-12-17 | 2020-12-17 | Capacitive motion capture sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214149348U true CN214149348U (en) | 2021-09-07 |
Family
ID=77589053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023080360.7U Active CN214149348U (en) | 2020-12-17 | 2020-12-17 | Capacitive motion capture sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214149348U (en) |
-
2020
- 2020-12-17 CN CN202023080360.7U patent/CN214149348U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212115678U (en) | Microphone test board and microphone test system | |
| CN202793312U (en) | Digital double-shaft angular displacement sensor | |
| CN103245824A (en) | Non-contact D-dot voltage transformer and voltage detection self-correcting method thereof | |
| CN109470386A (en) | A kind of power/position touch sensor detection system and detection method | |
| CN214149348U (en) | Capacitive motion capture sensor | |
| CN103901256A (en) | Novel lightning stroke current measuring device | |
| CN204008869U (en) | Contactless electrostatic potential tester | |
| CN102100558A (en) | Wireless respiration monitoring device | |
| CN109613339A (en) | A kind of Multifunctional resistance measuring device and measuring method | |
| CN206540646U (en) | A kind of pliable pressure sensor-based system | |
| CN212086494U (en) | Microphone calibration board and microphone calibration system | |
| CN110085018A (en) | A kind of vibration signal wireless acquisition device and wireless acquisition system | |
| CN205539197U (en) | Based on little resistance measurement system of singlechip | |
| CN104296651A (en) | Multiple-supporting-arm and multiple-joint angle integration parallel detection system based on flexible fabric | |
| CN210180578U (en) | Signal detection system of touch sensor | |
| CN208172056U (en) | Pressure measuring instrument and voltage measurement system | |
| CN209459768U (en) | A kind of intelligent-induction sensor-based system of 10dbm transmission power | |
| CN208076067U (en) | A kind of surface pressing wireless detection device | |
| CN209446074U (en) | Measuring circuit | |
| CN209421005U (en) | A kind of gloves of detectable temperature | |
| CN208902759U (en) | A kind of acceleration sensor structure | |
| CN209980275U (en) | Capacitive fingerprint sensing circuit and capacitive fingerprint sensing device | |
| CN106645955A (en) | Test circuit for measuring relay contact ultralow impedance | |
| CN211761662U (en) | Capacitive positioning structure with accurate position capturing function | |
| CN211761663U (en) | Pressure sensor type positioning structure with accurate position capturing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |