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Wired active stylus

一种触控笔、主动的技术，应用在仪器、计算、电数字数据处理等方向

Active Publication Date: 2021-04-16
EGALAX EMPIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing wired active stylus uses a dedicated electrical signal, and the corresponding touch controller needs to develop an additional detection mode to detect the dedicated electrical signal in order to know the position and / or status of the wired active stylus

Method used

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  • Wired active stylus

Examples

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Embodiment Construction

[0064] The present invention will be described in detail in some embodiments as follows. However, the invention can be broadly implemented in other embodiments besides the disclosed ones. The scope of the present invention is not limited by the embodiments, but is subject to the protection scope of the patent application. In order to provide a clearer description and enable those skilled in the art to understand the content of the invention, the various parts in the illustrations are not drawn according to their relative sizes, and the ratio of certain sizes to other related dimensions will be highlighted and It appears exaggerated, and irrelevant details are not fully drawn in order to simplify the illustration.

[0065] see figure 1 As shown, it is a schematic diagram of an electronic device 100 according to an embodiment of the present invention. The electronic device 100 includes a touch panel or touch screen 110 (for convenience, it will be represented by a touch scree...

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PUM

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Abstract

The present invention provides a wired active stylus, comprising: a conductor tip; and a drive signal line electrically coupled to the conductor tip, wherein the drive signal line is used to connect to a drive circuit of a touch controller, and the drive circuit is used for The drive signal is provided to the plurality of electrodes of the touch panel connected to the touch controller and the drive signal line in a time-division manner.

Description

technical field [0001] The present invention relates to a stylus, in particular to an active stylus. Background technique [0002] Touch has become the main input and output device of modern consumer electronic systems. In many applications, in addition to using fingers for touch control, a stylus can also be used for more precise control, such as handwriting recognition or image processing. An active stylus that emits electrical signals is more accurate than a passive stylus that does not emit a signal, but costs several times more. [0003] Wireless active styluses are limited in power and generally cost more than wired stylus. However, the existing wired active stylus uses a dedicated electrical signal, and the corresponding touch controller needs to develop an additional detection mode to detect the dedicated electrical signal in order to know the position and / or status of the wired active stylus . Therefore, there is an urgent need for a wired stylus and a touch sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/0354G06F3/038G06F3/041G06F3/044G06V10/12
CPCG06F3/03545G06F3/04883G06V10/12G06V30/1423
Inventor 张钦富叶尚泰张育豪
Owner EGALAX EMPIA TECH INC
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