Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-09-25
2009-11-24
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S204000
Reexamination Certificate
active
07623092
ABSTRACT:
A plurality of sub-frames is classified into first-type and second-type sub-frames. In each reset period of the first-type sub-frames, a gradient voltage pulse having an reverse polarity to that of a final gradient voltage pulse is applied between first and second electrodes prior to the final gradient voltage pulse, while in each reset period of the second-type sub-frames, the gradient voltage having the reverse polarity to that of the final gradient voltage pulse is not applied between the first and second electrodes. There is a plurality of first-type sub-frames in one frame, and the attained voltage of a gradient voltage pulse of reverse polarity included in at least one first-type sub-frame among the plurality of first-type sub-frames differs from that of the gradient voltage pulse of reverse polarity in other first-type sub-frame.
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Fujitsu Hitachi Plasma Display Limited
Hjerpe Richard
Sheng Tom V
Staas & Halsey , LLP
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