Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2005-07-19
2005-07-19
Tran, Henry N. (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C341S020000, C341S021000, C341S022000, C200S0050EA, C200S302100, C200S302200, C400S486000, C400S489000
Reexamination Certificate
active
06919879
ABSTRACT:
A hand-held electronic device with a keyboard optimized for use with the thumbs is provided. The handheld device includes a keyboard, a display, and a processor. The keyboard is horizontally positioned symmetrically between a left edge and a right edge of a face of the hand-held messaging device. The keyboard has a plurality of keys arranged in a plurality of rows across the face, wherein each row of keys is arranged in a concave pattern. The display is vertically positioned between the keyboard and a top edge of the face and is horizontally positioned symmetrically between the left edge and the right edge of the face. The processor is coupled to the keyboard and the display, and controls the operation of the hand-held messaging device.
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Anonymous: Triangular Toggle Keys for Touch-Tone Phones; IBM Technical Disclosure Bulletin, vol. 31, No. 1, Jun. 1, 1988, pp. 47-49, New York, US.
Griffin Jason T.
Holmes John A.
Lazaridis Mihal
Walters David M.
Jones Day
Liang Robert C.
Pathiyal Krishna K.
Research In Motion Limited
Tran Henry N.
LandOfFree
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