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Capacitive touch system and sensing method thereof

A technology of capacitive touch and sensing method, which is applied in the fields of electrical digital data processing, instrumentation, calculation, etc., and can solve the problem of inconvenient use of the active pen

Active Publication Date: 2021-09-28
SILICON INTEGRATED SYSTEMS
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  • Summary
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  • Description
  • Claims
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Problems solved by technology

At present, there is an active pen with a pressure-sensitivity function. The pressure-sensitivity value sensed by the active pen is transmitted to the touch panel through Bluetooth or other wireless communication standards. However, before the active pen transmits the sensed pressure-sensitivity value to the touch panel, The active pen must be paired with the touch panel online, which makes the active pen inconvenient to use

Method used

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  • Capacitive touch system and sensing method thereof
  • Capacitive touch system and sensing method thereof
  • Capacitive touch system and sensing method thereof

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and effects of the present disclosure more clear and definite, the present disclosure will be further described in detail below with reference to the drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present disclosure, and the word "embodiment" used in the present disclosure specification is meant to be used as an example, illustration or illustration, and is not intended to limit the present disclosure. Furthermore, the article "a" as used in this disclosure and the appended claims may generally be construed to mean "one or more" unless specified otherwise or clear from the context in the singular. Moreover, in the accompanying drawings, components with similar or identical structures and functions are denoted by the same component numbers.

[0019] see figure 1 , figure 1 A schematic diagram of a touch panel 10 is shown. The touch panel 10 can b...

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Abstract

The disclosure relates to a capacitive touch system and a sensing method thereof. The capacitive touch system includes a touch panel; a touch chip; and an active pen, including a receiving part, a sending part, and a control unit , and a pressure sensing component. The control unit controls the sending part to output a driving signal according to a sensing signal. The pressure sensing component detects a pen pressure signal, and the control unit outputs a voltage signal after delaying a period of time in response to the pen pressure signal. In the capacitive touch system and its sensing method, the active pen and the touch panel do not need to be paired online.

Description

technical field [0001] The disclosure relates to touch technology, in particular to a capacitive touch system and a sensing method thereof. Background technique [0002] With the development of touch panel (Touch Panel, TP), peripheral products of touch panel are gradually developed accordingly, and active pen is one of the peripheral products. At present, there is an active pen with a pressure-sensitivity function. The pressure-sensitivity value sensed by the active pen is transmitted to the touch panel through Bluetooth or other wireless communication standards. However, before the active pen transmits the sensed pressure-sensitivity value to the touch panel, The active pen must be paired online with the touch panel, which makes the active pen inconvenient to use. [0003] Therefore, it is necessary to propose a solution to the above-mentioned problems of the prior art. Contents of the invention [0004] The disclosure provides a capacitive touch system and a sensing m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/0354G06F3/044
CPCG06F3/0414G06F3/0416G06F3/044
Inventor 郭锦华游薪轩叶骏颖叶映志
Owner SILICON INTEGRATED SYSTEMS
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