Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2009-01-21
2011-12-20
Chow, Van (Department: 2627)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
C345S156000, C345S166000, C345S157000
Reexamination Certificate
active
08081161
ABSTRACT:
A slender wheel mouse includes a mouse case, a base, a circuit board, a supporting member, a tilt frame, a slender wheel, an encoder, a slender ratchet, a resilience sheet and several switch elements. The slender ratchet is engaged with the slender wheel to drive the encoder. The slender wheel has a relatively smaller diameter and thus the height of the mouse case is reduced.
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Chow Van
Kirton & McConkie
Primax Electronics Ltd.
Witt Evan R.
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