Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-12-19
2006-12-19
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S204000, C345S211000
Reexamination Certificate
active
07151522
ABSTRACT:
A display driver includes a control register; a memory control circuit which controls EEPROM access; and a register write circuit which writes a display characteristic control parameter that has been read from EEPROM to the control register at power-on, at a system reset, or at refresh timing (during a non-display period), to perform initialization processing or refresh processing for the control register. The register write circuit writes refresh period information or manufacture information that has been read from the EEPROM to the control register. MPU access is inhibited during the writing of the display characteristic control parameter to the control register.
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Hjerpe Richard
Nguyen Kimnhung
Oliff & Berridg,e PLC
Seiko Epson Corporation
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