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A passive non-contact mutual capacitance capacitive screen interaction method and its interaction tool

A non-contact, interactive technology, applied in the field of mutual capacitive capacitive screen touch, can solve the problems of inability to identify multiple interactive tools and high borders, and achieve the effect of real application experience, no contact operation, and reduced restrictions.

Active Publication Date: 2022-02-18
SHENZHEN IWIN VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In summary, the purpose of the present invention is to solve the technical deficiencies of existing touch screens with high borders and the inability to recognize multiple interactive tools, thereby proposing a passive non-contact mutual capacitance capacitive screen interaction method and its interactive tools

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  • A passive non-contact mutual capacitance capacitive screen interaction method and its interaction tool
  • A passive non-contact mutual capacitance capacitive screen interaction method and its interaction tool

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Embodiment Construction

[0013] The structure of the present invention will be further described below in conjunction with the accompanying drawings and preferred specific embodiments of the present invention.

[0014] Because the main purpose of the traditional capacitive touch screen is not designed to detect passive objects placed on it, but to detect coordinate signals touched by fingers. The ITO layer of the mutual capacitive screen has driving electrodes 2 and receiving electrodes 1. During touch detection, the arrays of horizontal driving electrodes 2 and vertical receiving electrodes 1 are sequentially detected. When the finger touches the capacitive screen, it affects the coupling between the horizontal driving electrode 2 and the vertical receiving electrode 1 near the touch point, thus changing the coupling capacitance between the two electrodes, according to the capacitance change of the touch screen Quantitative data, the coordinates of each touch point can be calculated. However, tradit...

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Abstract

A passive and non-contact mutual capacitance capacitive screen interaction method and its interactive tools relate to the field of mutual capacitive capacitive touch technology and solve the technical deficiencies of existing touch screens with high borders and the inability to identify multiple interactive tools. The touch detection principle of the mutual capacitive screen uses passive non-contact interactive tools to act on the identification area of ​​the mutual capacitive screen. The passive non-contact interactive tools include at least two conductive contacts, and the two conductive contacts pass through the conductor. Connecting, replacing fingers to complete the interaction on the interactive recognition table; even without user contact, it can be reliably recognized by the touch screen, and has the advantages of no need to replace batteries, long use time, and no-touch operation. There is no theoretical upper limit to the number of interactive tools on the touch screen, which can stimulate developers' creativity to the greatest extent, and ultimately bring better and more realistic application experience to customers.

Description

technical field [0001] The invention relates to the technical field of mutual capacitive touch screens, in particular to the improvement of an interactive method for an interactive identification table. Background technique [0002] There are generally two implementation schemes for the existing interactive identification table interaction methods. The first one is realized through an optical touch screen, using advanced computer vision technology to obtain and identify the position of the interactive tool on the screen. The disadvantage is that the optical touch screen uses a camera, so the frame of the identification table will be very high; the second is to realize through infrared touch, install an outer frame on the signature of the display screen, and there are evenly arranged in the X and Y directions. The infrared emitting tube and the infrared receiving tube correspond to form a horizontal and vertical infrared matrix. When touched by an interactive tool, it will b...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044G06F3/041
CPCG06F3/044G06F3/0416
Inventor 黄彦钊陈永新
Owner SHENZHEN IWIN VISUAL TECH CO LTD