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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
May 8, 2013
filing date -
Nov 9, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is a thin, light, touch sensitive, typically portable keyboard for an electronic device, which uses walls between most adjacent keys to prevent one finger activating more than intended key. This enables packing keys extremely close to each other, yet negligible chance of false activation. Round, hexagonal or wave shaped walls enable more keys for same working surface area, compared to square keys. Variations are detachable, externals, removable walls formed by a layer over the keyboard. Sizes can be from wrist worn watch like, credit card, cell phone, pocket and more. Foldable versions enable more keys for less stowage space.
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