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Touch recognition detection circuit and wearable devices

A detection circuit and wearable device technology, which is applied in the field of touch recognition detection circuit and wearable devices, can solve the problems of inconvenient interactive operation, etc., and achieve the effect of increasing the interactive area, convenient interactive operation, and simple structural design

Active Publication Date: 2022-05-13
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, there is an urgent need for a touch recognition detection circuit and a wearable device that can solve the problem of inconvenient interactive operation of arm-worn smart products.

Method used

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  • Touch recognition detection circuit and wearable devices
  • Touch recognition detection circuit and wearable devices
  • Touch recognition detection circuit and wearable devices

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0082] like Figure 5 and Image 6 As shown, in this embodiment, a touch recognition detection circuit is provided for a wearable device, the wearable device includes a watch strap, and the watch strap includes a plurality of chain links connected end to end in sequence, characterized in that , the touch recognition detection circuit includes:

[0083] Detect power supply Vs;

[0084] a detection circuit, the detection circuit is arranged on the chain link, the detection circuit includes a first contact, a second contact and a shunt resistance Rshunt, the first contact is connected to the detection power supply, the The second contact is connected to one end of the shunt resistor Rshunt, and the other end of the shunt resistor Rshunt is grounded;

[0085] a gain amplifying circuit, an input end of the gain amplifying circuit is connected in parallel with both ends of the shunt resistor Rshunt, and the gain amplifying circuit is used to amplify the voltage signal on the shun...

no. 2 example

[0115] like Image 6 As shown, in this embodiment, a wearable device is provided, including:

[0116] body;

[0117] A watch strap is connected to the watch body, and the watch strap includes a plurality of chain links connected end to end in sequence, and the touch recognition detection circuit as described in the first embodiment is arranged on the chain links. Therefore, the wearable device includes all the beneficial effects of the touch recognition detection circuit described in the first embodiment, which will not be repeated here.

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Abstract

This application relates to a touch recognition detection circuit and a wearable device, wherein the touch recognition detection circuit includes: a detection power supply; a detection circuit; After the voltage signal on the shunt resistor is amplified, it is output as a detection signal; the detection circuit, the input end of the detection circuit is connected to the output end of the gain amplifier circuit, and is used to detect the detection signal; the signal conversion circuit, the signal conversion circuit is used for The detected detection signal is converted into a corresponding touch signal; the controller is connected with the signal conversion circuit, and the controller is used to identify the corresponding touch operation according to the touch signal. The embodiments provided in the present application increase the interactive area of ​​the wearable device, making the interactive operation between the user and the wearable device more convenient, and at the same time have simple structural design, reliable performance and high sensitivity, which can effectively improve the user's operation experience.

Description

technical field [0001] The present application relates to the field of mobile terminals, and in particular, to a touch recognition detection circuit and a wearable device. Background technique [0002] Arm-worn smart products currently on the market, such as wrist phones, wristbands, and watches, often need to operate the screen or buttons of the smart product when the user interacts with the smart product. However, the above-mentioned existing interaction process has the following disadvantages: [0003] First, the screen area of ​​arm-worn smart products is small, so the area where touch operations can be performed is also small, resulting in inconvenient interactive operations. [0004] Second, due to the smaller size of the watch body (such as the dial) of the arm-worn smart product, the size of the keys is also smaller. [0005] Therefore, there is an urgent need for a touch recognition detection circuit and a wearable device that can solve the problem of inconvenient...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/28G06F3/01
CPCG01R31/282G06F3/011
Inventor 祁庆克
Owner NUBIA TECHNOLOGY CO LTD