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Method for correcting touching panel

A calibration method and panel technology, applied in the calibration field, can solve problems such as inconvenience

Inactive Publication Date: 2006-11-01
MITAC COMP (SHUN DE) LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it needs to be calibrated every time it is turned on, which is very inconvenient for users

Method used

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  • Method for correcting touching panel
  • Method for correcting touching panel
  • Method for correcting touching panel

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Experimental program
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Embodiment Construction

[0018] In order for those skilled in the art to better understand the spirit of the present invention, the working principle of a general touch panel will be described below.

[0019] figure 1 It is a schematic block diagram illustrating the structure of the touch panel. Please refer to figure 1 , a general touch panel usually includes a touch panel module 110 and a display unit 120 . The touch panel module 110 may further include an origin temporary storage unit 111 and a conversion unit 113 .

[0020] When a user, for example, touches a part of the graphic on the screen with a finger, the display unit 120 will sense the position touched by the user and generate a corresponding entity coordinate. Then the conversion unit 113 receives the physical coordinates, and converts the physical coordinates into logical coordinates by using the origin information previously temporarily stored by the origin temporary storage unit 111 . And the logical coordinates are sent to the inpu...

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Abstract

A method for calibrating touch panel includes fetching a panel calibration value stored in nonvolatile storage region and judging whether panel calibration value is zero or not when touch panel is started up, providing panel calibration value to touch panel to let it be operated properly when panel calibration value is not zero value.

Description

【Technical field】 [0001] The present invention relates to a calibration method, and in particular to a calibration method for a touch panel. 【Background technique】 [0002] Touch panels and digitizers are examples of common input devices. These input devices allow the user to easily use the information included on the screen by touching or not touching the keys displayed on the screen with a finger or a pen-like tool. Among these input devices, the structure of the touch panel integrates the system and the screen, so it is most suitable for the trend of "light" and "thin" in the current market, so devices such as tablet computers and personal digital assistants adopt touch touch panel technology. The types of touch panels can be divided into the following forms: analog impedance type, digital impedance type, capacitive type, planar acoustic wave type and infrared type. [0003] And because the touch panel allows the user to directly click on the screen, and the action is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0354
Inventor 胡雨洁
Owner MITAC COMP (SHUN DE) LTD