Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2005-07-26
2005-07-26
Awad, Amr A. (Department: 2675)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S063000, C315S169400
Reexamination Certificate
active
06922191
ABSTRACT:
A drive apparatus for a plasma display panel useing a charge recovery circuit12that re-uses a recovered electrical charge, the drive apparatus comprising: a brightness detection means16, 17for detecting a brightness so as to obtain screen brightness information; and a charge recovery timing control means4for controlling a charge recovery period T from a time at which a charge recovery operation of the charge recovery circuit12starts to a time of fixing to a sustaining potential or a ground potential, wherein the charge recovery timing control means4controls the charge recovery period of the charge recovery circuit4in response to the brightness information obtained by the brightness detection means16, 17.
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Japanese Office Action dated Feb. 10, 2004 with a partial English translation.
Awad Amr A.
Morgan & Lewis & Bockius, LLP
Pioneer Plasma Display Corporation
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