Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2011-04-19
2011-04-19
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
C345S156000, C345S163000, C323S318000, C323S352000
Reexamination Certificate
active
07928962
ABSTRACT:
An optical pointing device and a power supply semiconductor device therefore are provided. The optical pointing device includes at least one power supply voltage drop portion, wherein each of the power supply voltage drop portion comprises: a voltage-drop regulator for outputting a dropped power supply voltage; a first reference voltage generator for generating a first reference voltage; a first voltage division controller for outputting first and second drop voltage division control signals according to the moving velocity; a first voltage divider for outputting a first varied division voltage in response to the first and second drop voltage division control signals; a first comparator for comparing the level of the first varied division voltage with the level of the first reference voltage to output a first comparison output signal; and a first switch controller for dropping the output voltage of the voltage-drop regulator in response to the first comparison output signal.
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Taiwan Office Action-Taiwan Patent Application No. 096131994 issued Dec. 29, 2010.
Hong Sung-Hyuk
Lee Bang-won
Atlab Inc.
Cantor & Colburn LLP
Mengistu Amare
Xavier Antonio
LandOfFree
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