Braille touch screen device based on IPMC driving

A touch screen, Braille technology, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problem of not taking into account cost and practicability, and achieve easy implementation, rapid generation and update, simple structure and principle Effect

Inactive Publication Date: 2016-10-26
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Different types of braille display devices have their own advantages and disadvantages, and most of them cannot balance cost and practicality

Method used

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  • Braille touch screen device based on IPMC driving
  • Braille touch screen device based on IPMC driving
  • Braille touch screen device based on IPMC driving

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] refer to figure 1 , the present invention is based on an IPMC-driven Braille touch screen device, comprising at least one Braille touch unit, wherein the Braille touch unit is composed of six contacts 7 arranged in three rows and two columns, and each contact 7 includes a bottom And the supporting plate 1 , the first electrode 2 , the IPMC driver 3 , the second electrode 4 , the VHB film 5 and the cover plate 6 are arranged in sequence.

[0023] Wherein, the support plate is a hard circular thin plate, and the first electrode 2 and the second electrode 4 are ring-shaped electrode sheets with side ears, which are arranged on the upper and lower ends of the support plate, and the IPMC The driver 3 is a circular sheet, including an edge confinement area close to the peripheral part and a free area in other parts. The edge confinement area is placed between two ann...

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PUM

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Abstract

The invention discloses a braille touch screen device based on IPMC driving. The braille touch screen device comprises at least one braille touch unit, wherein the braille touch unit is formed in such a manner that six contacts are packaged in three rows and two columns, and each contact comprises a support plate, a pair of electrodes, an IPMC driver, a VHB film and a cover plate; the support plate is a circular thin plate; the electrodes are annular electrode sheets with side ears and are arranged on the end part of the support plate; the IPMC driver is a circular sheet and comprises an edge constraint area close to the peripheral part and free areas of other parts, and the edge constraint area is arranged between the two annular electrode sheets; the VHB film is a circular film; the cover plate is an annular thin plate, the lower end of the cover plate is bonded to the VHB film, and the cover plate covers the IPMC driver; and the edge of the cover plate is pasted to the edge of the support plate, and the distance between the VHB film on the lower end of the cover plate and the support plate is not larger than the thickness sum of the two electrodes and the IPMC driver. The electro-mechanical coupling performance of the IPMC driver is utilized, and the braille touch screen device can be used for reading Braille and can also be used as a braille input device.

Description

Technical field: [0001] The invention relates to a braille touch device, in particular to a touch screen device for braille recognition and input using an artificial muscle (IPMC) as a driver. Background technique: [0002] Braille, also known as Braille or embossed, is a text specially designed for the blind and perceived by touch. Blind people read by touching Braille characters made up of raised dots. A Braille word consists of 6 raised dots arranged in three rows and two columns. [0003] As the reading and communication needs of blind people continue to increase, the research and development of Braille touch devices also develops accordingly. Prominence of Braille contacts is the most important design link in Braille touch devices. The driver requires simple structure, small size, light material, simple processing technology, easy manipulation, and fast response. At present, many researchers at home and abroad have proposed a variety of braille display devices based ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B21/00G06F3/041
CPCG06F3/0416G09B21/004
Inventor 陈花玲董鹏飞卞长生张弛
Owner XI AN JIAOTONG UNIV
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