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Automatic recovering system of touch screen controller

An automatic recovery, touch screen technology, applied in the direction of the data reset device, etc., can solve the problem that the touch screen controller cannot be reset, and achieve the effect of increasing power consumption

Active Publication Date: 2013-07-03
XIANGSHI ENERGY SAVING GLASS KUNSHAN CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide an automatic recovery system for a touch screen controller to solve the problem that the touch screen controller cannot be reset when it is not working properly

Method used

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  • Automatic recovering system of touch screen controller
  • Automatic recovering system of touch screen controller
  • Automatic recovering system of touch screen controller

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Embodiment Construction

[0022] The present invention provides an automatic recovery system of a touch screen controller. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] see figure 1 , which is the input-output relationship diagram of the monostable flip-flop. The output pin of the monostable flip-flop outputs two states: 0 and 1. When the input pin changes from high to low or from low to high, the output pin outputs 1, but 1 is only temporary. After a period of time, Its output pin automatically restores to output 0. As shown in the figure, the output pin of the monostable flip-flop outputs 1 for a duration T, which can be controlled by an external delay circuit....

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Abstract

This invention discloses an automatic recovering system of a touch screen controller. The automatic recovering system comprises the touch screen controller, a mono-stable trigger, a delay circuit, a baseband processor, a delay reset circuit and an OR gate integrated circuit, wherein the baseband processor is connected with the first input end of the OR gate integrated circuit; the delay reset circuit is connected with the second input end of the OR gate integrated circuit; the output end of the OR gate integrated circuit is connected with the touch screen controller; the touch screen controller is respectively connected with the touch screen and the mono-stable trigger; and the mono-stable trigger is respectively connected with the delay circuit and the delay reset circuit. The automatic recovering system of the touch screen controller, provided by the invention, is used for generating a pulse signal to control a state of the mono-stable trigger when a touch screen is scanned through the touch screen controller, automatically generating a reset signal through the delay reset circuit after the touch screen controller is broken by static electricity, and resetting the touch screen controller so that the touch screen controller can restart to work. According to the automatic recovering system of the touch screen controller, the problem that the touch screen controller cannot be reset is solved.

Description

technical field [0001] The invention relates to an electronic device with a touch screen, in particular to an automatic recovery system of a touch screen controller. Background technique [0002] At present, when the controller of the capacitive touch screen encounters very strong static electricity, there is a state of being damaged by the static electricity, and it cannot work normally, and the touch cannot be detected. When this happens, if you want the controller to work again, you must either cut off the power supply of the controller and restart it, or reset the controller to restore the controller to its initial state. Both of these measures require the baseband processing chip to know that the controller is no longer working normally, but at this time the controller is no longer working normally, and the baseband processor cannot be notified, so the existing design cannot reset the controller. Contents of the invention [0003] In view of the shortcomings of the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/24
Inventor 林子华伍延椿
Owner XIANGSHI ENERGY SAVING GLASS KUNSHAN CO LTD
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