Multitouch parameter and gesture user interface employing an LED-array tactile sensor that can also operate as a display

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United States of America Patent

PATENT NO 9019237
APP PUB NO 20090254869A1
SERIAL NO

12418605

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Abstract

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A user interface employs a tactile sensor comprising an LED array, the user interface producing a rich flux of independently-adjustable interactive control parameters, rates of change, and symbols derived from these as well as tactile shapes, patterns, gestures, syntaxes, and phrases from each of one or more regions of contact or proximity. At least three independently-adjustable interactive real-time control parameters, plus rates and symbols, from the touch of a single finger tip. Running sums can be employed during scans so individual sensor measurements need not be stored. The tactile sensor array can be partitioned into sections or modules with separate scanning loops and/or processors. The LED array can serve as a visual display. To reject ambient light, the LED array can be configured to emit and respond to modulated light reflected from a user finger to LEDs configured, at least at a moment of measurement, to act as a photodiode.

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Patent Owner(s)

Patent OwnerAddress
NRI R&D PATENT LICENSING LLC3224 W WOODLAWN AVENUE SAN ANTONIO TX 78228

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lim, Seung Eun San Francisco, US 1 6
Ludwig, Lester F San Antonio, US 269 11573

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