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Development of Touch Screen

Issuing time:2019-03-21 14:26

The development of multi-point touch screes facilitated the tracking of more than one finger on the screen; thus, operation that require more than one finger are possible. These devices also allow multiple users to interant with the touch screen simultaneously.

With growing use of touch screens, the cost of touch screen technology is routinely absorbed into the products that incorporate it and is nearly eliminated. Touch screen technology has demonstrated reliability and is found in airplanes, automobiles, gaming consoles, machine control system, appliances, and handheld display devices including cellphones; the touch screen market for mobile devices was projected to produce USD5 billion by 2009.

The alility to accurately point on the screen itself is also advancing with the emerging graphics tablescreen hybrids. Polyvinylidene fluoride(PVFD) plays a major role in this innovation due its high piezoelectric properties.

Tap sense, announced in October 2011, allows touch screens to distinguish what part of the hand was used for input, such as the fingertip, knuckle and fingernail. This could be used in a variety of ways, for example, to copy and paste, to capitalize letters, to activate different drawing modes, etc.

A real practical integration between the television-images and the functions of a normal medern PC could be an innovation of a probable very near future: for example" all- live-informations" on internet about a film or the actors on vedio, other list of music during a normal video clio of song, all news about all things or persons, ideas and concepts, etc.

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