Touch pen and signal transmission method thereof, touch controller and signal detection method thereof

Abstract

The present invention relates to the technical field of touch controls. Provided are a touch pen and signal transmission method thereof, and a touch controller and signal detection method thereof, the touch pen signal transmission method comprising: detecting whether the tip of the touch pen is bearing pressure or whether a key on the touch pen is pressed; if yes, then transmitting a first touch signal, the first touch signal being used to calculate the current coordinate position on the touch screen of the touch pen and synchronize the time sequence of the touch pen and the touch controller; encoding the value of the detected pressure born by the tip of the touch pen and / or the key value of the key on the touch pen, and transmitting a second touch signal according to the code. The present invention realizes multiple application functions of a touch pen.

Description

technical field [0001] The invention relates to the field of touch technology, in particular to a touch pen and a signal transmission method thereof, a touch controller and a signal detection method thereof. Background technique [0002] Due to the support of multi-touch technology, capacitive touch screen has become the new darling of touch screen products. The screens used in more and more devices have changed from resistive screens to capacitive screens. Due to hieroglyphs and traditional habits in eastern countries represented by China, most users are still accustomed to handwriting input. However, when handwriting input is performed on a capacitive touch screen, the following two problems will occur: (1) lost points: when the user When handwriting, the handwriting will be severely missing; (2) overflow point: after the finger is lifted, there will often be serious redundant handwriting. When the fingers are wet, the missing or overflowing phenomenon will be more serio...

AI Technical Summary

Problems solved by technology

Due to hieroglyphs and traditional habits in eastern countries represented by China, most users are still accustomed to handwriting input. However, when handwriting input is performed on a capacitive touch screen, the following two problems will occur: (1) lost points: when the user When writing by hand, the handwriting will be severely missing; (2) overflow point: after the finger is lifted, there will often be serious redundant handwriting

The current active capacitive touch pen can only emit a single driving signal, which is only used to establish the coupling between the touch pen and the touch sensor, and cannot transmit the various application functions of the touch pen. There is no disclosure of a touch pen signal transmission method capable of transmitting various application functions of the touch pen and a corresponding signal detection method of the touch controller

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