Computer graphics processing and selective visual display system – Display peripheral interface input device – Mechanical control
Reexamination Certificate
2004-10-15
2009-12-29
Nguyen, Chanh (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Mechanical control
Reexamination Certificate
active
07639240
ABSTRACT:
A thumbwheel switch for a handheld electronic device is mechanically and electrically mounted on the substrate of a printed circuit board using SMT with the thumbwheel seated in a cutout in the substrate and with the top surface of the thumbwheel about flush with the top surface of the substrate so that the thumbwheel is ergonomically positioned on the side of the handheld electronic device at the level of the display.
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Chen Chao
Griffin Jason T.
Kyowski Timothy H.
Eckert Seamans Cherin & Mellott , LLC
Ma Calvin C
Marmo, Esq. Carol A.
Nguyen Chanh
Research In Motion Limited
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