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Capacitive stylus and tilt angle detecting method thereof

a technology of capacitive stylus and tilt angle, which is applied in the direction of instruments, computing, electric digital data processing, etc., can solve the problems of limited application of capacitive stylus products under different tilt angles, existing capacitive stylus products do not have the function of detecting the tilt angle of capacitive stylus products, etc., to reduce the cost and price of capacitive stylus, and simple and uncomplicated design

Inactive Publication Date: 2018-05-10
WALTOP INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent is about a new feature for a capacitive stylus. The stylus can detect how tilted it is, and this information helps to make the stylus work better for things like spray guns and paint pens. The stylus stays simple and inexpensive, but it can make a big difference in the performance of these tools. Overall, this patent allows for improved functionality and more efficient use of capacitive stylus technology.

Problems solved by technology

The existing capacitive stylus products do not have the function of detecting the tilt angle of the capacitive stylus products.
Therefore, further applications of the capacitive stylus for touch devices under different tilt angles are limited.

Method used

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  • Capacitive stylus and tilt angle detecting method thereof
  • Capacitive stylus and tilt angle detecting method thereof
  • Capacitive stylus and tilt angle detecting method thereof

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first embodiment

[0024]The circuit block diagram in the capacitive stylus 10 is shown in FIG. 1. The capacitive stylus 10 of the instant disclosure is acting on a touch pad 20 (as shown in FIG. 2) and comprises a battery 11, a micro-controller 12, a sensing and driving signals processing unit 13, a sensing electrode unit 15 (RX) and a driving electrode unit 16 (TX). The battery 11 is used to provide power to the capacitive stylus 10. The micro-controller 12 is coupled to the battery 11 and has a built-in tilt angle corresponding table (as shown in FIG. 3). The micro-controller 12 is the signal controlling center of the capacitive stylus 10. The sensing and driving signals processing unit 13 is coupled to the micro-controller 12 for executing the transmitting, receiving and processing of the sensing electrode signals and driving electrode signals, and the signals are further controlled and analyzed based on the tilt angle corresponding table by the micro-controller 12.

[0025]The sensing electrode unit...

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Abstract

This instant disclosure is related to a capacitive stylus and a tilt angle detecting method thereof. The capacitive stylus is acting on a touch pad. The capacitive stylus includes a sensing electrode unit and a driving electrode unit, or the capacitive stylus is provided with a first sensing electrode unit and a second sensing electrode unit. The capacitive stylus further includes a tilt angle corresponding table and a direction corresponding table to determine the tilt angle and tilt direction of the capacitive stylus on the touch pad.

Description

BACKGROUND1. Technical Field[0001]The instant disclosure relates to a capacitive stylus and tilt angle detecting method thereof, in particular, to a capacitive stylus having a sensing electrode unit and a driving electrode unit for detecting the tilt angle and tilt direction of the capacitive stylus and method of using the same.2. Description of Related Art[0002]The existing capacitive stylus products do not have the function of detecting the tilt angle of the capacitive stylus products. Therefore, further applications of the capacitive stylus for touch devices under different tilt angles are limited. In addition, there is a need for a device or method for detecting the tilt angle and tilt direction of a capacitive stylus on a touch pad while avoiding increasing the complexity of the electronic devices.SUMMARY[0003]The instant disclosure is related to a capacitive stylus and a tilt angle detecting method thereof, the capacitive stylus is acting on a touch pad, and the capacitive sty...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F3/038G06F3/0354G06F3/041
CPCG06F3/0383G06F3/0416G06F3/03545G06F3/044G06F3/04162G06F3/0441G06F3/0442G06F3/0446
Inventor YEH, CHIA-JUIWANG, HUNG-I
Owner WALTOP INT
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