Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-05-03
2005-05-03
Nguyen, Chanh (Department: 2675)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
Reexamination Certificate
active
06888526
ABSTRACT:
A voltage supplying device comprises a reference voltage generating circuit, a first impedance conversion circuit for performing the impedance conversion on a reference voltage, a digital-analogue converter (DAC) and a second impedance conversion circuit for performing the impedance conversion on a voltage from the DAC. A first switching element is provided between the output of the second impedance conversion circuit and the load capacitance. A first bypass line is provided for bypassing the second impedance conversion circuit and the first switching element, and a second switching element is provided on the bypass line. In the first period of the charging period, the output of the second impedance conversion circuit is supplied to the load capacitance. In the second period of the charging period, the output of the DAC is supplied to the load capacitance.
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Hogan & Hartson LLP
Nguyen Chanh
Seiko Epson Corporation
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