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Touch sensitivity self-adaption method

A sensitive and self-adaptive technology, applied in electrical components, pulse technology, electronic switches, etc., can solve problems such as inability to adapt to operating habits, high sensitivity, and affecting touch effects, so as to achieve the best touch effect and improve convenience.

Pending Publication Date: 2022-06-17
西安中颖电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Differences in finger size or operating habits will lead to high or low sensitivity, which will affect the actual touch effect, so it cannot adapt to everyone's operating habits

Method used

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Embodiment Construction

[0056] The detailed features and advantages of the present invention are described in detail below in the specific embodiment, and the content is sufficient to enable any person skilled in the art to understand the technical content of the present invention and implement it accordingly, and according to the description, claims and drawings disclosed in this specification. , those skilled in the art can easily understand the related objects and advantages of the present invention.

[0057] The traditional touch system principle is charge transfer, and it is detected whether there is a hand press according to the change of charging time. Because each button has different parasitic capacitances due to the difference in the trace length, etc., the corresponding charging time is also different. It is extremely inconvenient for the subsequent data processing and key value judgment. For different panels (material and thickness), the amount of finger pressing changes is also differen...

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Abstract

The invention provides a touch sensitivity self-adaption method. The method comprises the steps that finger capacitance Cf is estimated according to panel information of a touch product; calculating the parasitic capacitance Cx of the key according to the collected key data; calculating the sensitivity when the finger is pressed down according to the parasitic capacitance Cx of the key and the finger capacitance Cf; keeping the sensitivity of each key consistent so as to calibrate the sensitivity parameter of each key; and adjusting the sensitivity in real time in the use process of the touch product.

Description

technical field [0001] The present invention relates to touch detection technology. Background technique [0002] In the past touch products, due to the different materials and thicknesses of the product panels, the touch parameters need to be adjusted according to the data obtained by manual touch. The debugging needs the cooperation of the relevant software on the PC side. Each different product needs to debug a set of touch parameters in advance. The debugging process is more complicated. [0003] In addition, most touch products use fixed parameters for their sensitivity. Differences in finger size or operating habits will lead to high or low sensitivity, which will affect the actual touch effect, so it cannot adapt to everyone's operating habits. [0004] Therefore, there is an urgent need for a real-time adjustment method of touch sensitivity that can facilitate automatic parameter configuration and adapt to different groups of people. SUMMARY OF THE INVENTION [...

Claims

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Application Information

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IPC IPC(8): H03K17/96
CPCH03K17/962H03K2217/9401
Inventor 韩仁杰张李
Owner 西安中颖电子有限公司
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