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Power saving device and method for capacitive touch pad and capacitive touch pad

A technology of capacitive touch and power saving method, applied in data processing power supply, electrical digital data processing, input/output process of data processing, etc., can solve problems such as large power loss, and achieve the effect of reducing the number of scans

Active Publication Date: 2010-10-20
INNOCOM TECH (SHENZHEN) CO LTD +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of large power loss of traditional capacitive touch screens, it is necessary to provide a power saving device suitable for capacitive touch screens

Method used

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  • Power saving device and method for capacitive touch pad and capacitive touch pad
  • Power saving device and method for capacitive touch pad and capacitive touch pad
  • Power saving device and method for capacitive touch pad and capacitive touch pad

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Embodiment Construction

[0018] In order to make the description of the present invention more detailed and complete, reference may be made to the drawings and various implementations described below, and the same numbers in the drawings represent the same or similar elements. On the other hand, well-known elements and steps have not been described in the embodiments in order to avoid unnecessarily limiting the invention.

[0019] The invention relates to a power saving device, which can be applied to a capacitive touch screen, or widely used in related technical links. The following will match figure 1 A specific implementation manner of the power saving device will be described below.

[0020] Please refer to figure 1 , figure 1 is a block diagram of a power saving device 100 according to an embodiment of the present invention. The power saving device 100 is suitable for a capacitive touch screen (not shown), and the capacitive touch screen includes a plurality of scanning lines, such as scannin...

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PUM

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Abstract

The invention relates to a power saving device suitable for a capacitive touch pad. The capacitive touch pad comprises a plurality of scanning lines. When the capacitive touch pad is not touched, the power saving device can synchronously scan at least one group of scanning lines in the scanning lines so as to fulfill the aim of power saving. In addition, the invention also discloses a power saving method for the capacitive touch pad and the capacitive touch pad using the power saving device.

Description

technical field [0001] The present invention relates to a power saving device and method for a capacitive touch screen, and in particular to a power saving device and method for a capacitive touch screen. Background technique [0002] Touch screens are used in a wide range of applications, such as automated teller machines, point-of-sale terminals, industrial control systems, and more. The market is still growing due to the ease of use and durability of this interface. [0003] At present, mainstream touch screens can be divided into two types: resistive touch screens and capacitive touch screens. Resistive touch screens generate voltage when lightly pressed with a finger or other contact. Capacitive touch screen, which will draw a small current from the finger (commonly used in the touchpad of the laptop). Moreover, the biggest advantage of the capacitive touch screen is that it is sensitive and can faithfully respond to the user's intuitive control. [0004] A traditio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/32G06F3/044
CPCG06F1/3287G06F3/045Y02B60/1278G06F1/3203G06F1/3262Y02B60/1282Y02D10/00Y02D30/50
Inventor 陈彦华
Owner INNOCOM TECH (SHENZHEN) CO LTD
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