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United States of America Patent
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Jun 25, 2013
Grant Date -
Mar 19, 2009
app pub date -
Jul 15, 2008
filing date -
Nov 8, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is a transparent keyboard with translucent markings to show the functions of each key. It can rest over the screen of a computer, hand held device, smart phone or the like, without obstructing the screen or using it for marking the keys or reducing the size of the screen area that is used as a screen or monitor as against a keyboard. It can be made by translucent markings on existing touchscreen keyboards or a transparent layer over the touchscreen with translucent markings. It can be a transparent screen with programmable markings. It can be touch sensitive, yet use key layouts and sizes to prevent unintended key activation and ease multi finger typing.
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