Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Reexamination Certificate
2004-08-02
2008-08-05
Shalwala, Bipin (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
C345S212000, C345S213000, C345S060000, C315S169100
Reexamination Certificate
active
07408542
ABSTRACT:
The method of the invention generates an address signal for addressing columns or rows of a PDP. In the case of addressing a column, for example, the method comprises the following steps.For a phase T1, a DC voltage V1is applied across the terminals of a solenoid L, so that the latter stores energy, and applies a voltage A across the terminals of a selected column.During a phase T2, some of the energy stored in the solenoid L is discharged into the column until the voltage across the terminals of the column becomes about zero.During a phase T3, an approximately zero voltage is maintained across the terminals of the column. According to one embodiment the selection of the column(s) during this phase is modifiable.During a phase T4, the solenoid L is charged with current stored in a capacitor until the voltage across the terminals of the column is zero.
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Gagnot Dominique
Lacoste Ana
Rilly Gerard
Chowdhury Afroza Y
Fried Harvey D.
Laks Joseph J.
Shalwala Bipin
Thomson Licensing
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