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Transmitter and Transmitting Method Thereof

A transmitter and signal technology, applied to instruments, electrical digital data processing, input/output process of data processing, etc., can solve problems such as misjudgment, increased wireless communication costs, power consumption, and increased system complexity

Active Publication Date: 2015-09-02
EGALAX EMPIA TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Traditionally, it is necessary to add a circuit for measuring force information on the active stylus, such as an analog-to-digital converter and related circuits, and then use the controller on the stylus to convert the digital signal indicating the degree of force. Further processing, for example, can be through wireless communication, but it will increase the cost and power consumption of wireless communication. The controller or host that detects the active stylus must also have the ability of wireless communication, which increases the complexity of the system
In addition, it is possible to convert the digital information of the force on the pen tip into an analog signal to represent it, but it may be misjudged due to changes in temperature or humidity, distance between the pen and the touch panel, and noise interference

Method used

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  • Transmitter and Transmitting Method Thereof
  • Transmitter and Transmitting Method Thereof
  • Transmitter and Transmitting Method Thereof

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Embodiment Construction

[0115] The present invention will be described in detail in some embodiments as follows. However, except for the disclosed embodiments, the scope of the present invention is not limited by these embodiments, and the scope of the subsequent patent applications shall prevail. In order to provide a clearer description and enable ordinary people 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 proportions of certain dimensions or other relative dimensions may be highlighted It appears exaggerated, and irrelevant details are not fully drawn in order to simplify the diagram.

[0116] Please refer to figure 1 As shown, it is a schematic diagram of a touch control system 100 according to an embodiment of the present invention. The touch system 100 includes at least one transmitter 110 , a touch panel 120 , a touch processing device 130 and a host 140 . In this embodiment, the trans...

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Abstract

The invention discloses a transmitter and a transmitting method thereof. The transmitter comprises a tip section, wherein the transmitter is configured for generating a first signal according to a pressure level applying to the tip section and for transmitting an electric signal including the first signal via the tip section, wherein a property of the electric signal reflects the pressure level.

Description

technical field [0001] The present invention relates to a transmitter, in particular to a transmitter that can send out electrical signals to indicate the degree of force without measuring the degree of force and its signaling method. Background technique [0002] Touch panel or touch screen is an important modern human-machine interface. In addition to detecting approaching or touching (collectively referred to as proximity) human body, touch panel is also used to detect approaching pen-like objects or touch The nib of the pen is used to facilitate the user to more precisely control the trajectory of the pen nib touch. [0003] The stylus can use the tip of the stylus to actively send out electrical signals, which is referred to as an active stylus in this paper. When the pen tip is close to the touch panel, the electrodes on the touch panel are affected by the electrical signal and have an electromagnetic response. By detecting the electromagnetic response corresponding t...

Claims

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Application Information

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IPC IPC(8): G06F3/0354G06F3/041G06F3/044
Inventor 张钦富
Owner EGALAX EMPIA TECH INC
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