Integrator circuit with inverting integrator and non-inverting integrator

An integrator, non-inverting technology, applied in instruments, static indicators, electrical digital data processing, etc., can solve problems such as capacitance measurement circuit failures, and achieve the effect of reducing the influence of noise integration

Active Publication Date: 2013-05-08
ZINITIX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The limitation of the capacitance measurement circuit used in the touch screen of a typical cellular phone is that malfunctions are generated due to various noises caused by changes in the surrounding environment

Method used

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  • Integrator circuit with inverting integrator and non-inverting integrator
  • Integrator circuit with inverting integrator and non-inverting integrator
  • Integrator circuit with inverting integrator and non-inverting integrator

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Embodiment Construction

[0053] Hereinafter, some embodiments of the present invention will be described in detail with reference to the accompanying drawings. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto. Accordingly, those skilled in the art will readily understand that various modifications and changes can be made thereto without departing from the spirit and scope of the present invention as defined by the appended claims. In the following description, technical terms are used only to describe specific exemplary embodiments, not to limit the present invention. A term in a singular form may include a plural form unless the contrary is mentioned.

[0054] figure 1 A touch panel device to which one embodiment of the present invention is applied is shown.

[0055] Such as figure 1 As shown, the touch screen device may include a touch panel 1 , a capacitance measurement circuit 200 and a touch determination part 3...

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PUM

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Abstract

A switched capacitor integrator circuit is disclosed. The switched capacitor integrator circuit comprises an inverting switched capacitor integrator circuit, and a non-inverting switched capacitor integrator circuit connected to the inverting switched capacitor integrator circuit. A sampling capacitor of the inverting switched capacitor integrator circuit is shared by the non-inverting switched capacitor integrator circuit.

Description

technical field [0001] The present disclosure relates to integrator circuits, and more particularly, to noise-immune integrator circuits. Background technique [0002] Display devices such as liquid crystal displays and organic light emitting displays, portable communication devices, and information processing devices, etc., use various input devices to perform their functions. As a type of such input devices, touch screen devices are widely used in cellular phones, smart phones, palm PCs, and automatic teller machines (ATMs). [0003] The touch screen executes the required commands to write text or draw through the contact of a finger, stylus or stylus to its screen, and to run programs by selecting icons. Touch screen devices are capable of sensing whether a finger or stylus is in contact with their own surface and determining the location of the contact. [0004] Touch screens may be classified into resistive type and capacitive type touch screens according to their tou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044G09G3/20G06F3/038
CPCG06F3/038G06F3/044G06F2203/04111
Inventor 权五振尹一炫张善雄申亨哲
Owner ZINITIX
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