Reversible keypad and display for a telephone handset

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United States of America Patent

PATENT NO 6052606
SERIAL NO

08989463

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Importance

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Abstract

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In cellular telephone handset having an upper casing and a lower casing, liquid crystal display screens with touch sensitive overlays are provided on each casing. In one mode of operation, the screen on the lower casing will display a telephone keypad and the telephone handset will respond to the touching of the keys from the telephone keypad to dial telephone numbers and will display information on the screen on the upper casing. In a second mode of operation, the screen on the upper casing will display function keys and the telephone handset will respond to the touching of the function keys and will display information on the screen on the lower casing.

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bowen, Ronald A Sterling, VA 9 218

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