Computer graphics processing and selective visual display system – Display driving control circuitry
Reexamination Certificate
2011-07-05
2011-07-05
Sherman, Stephen G (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Reexamination Certificate
active
07973781
ABSTRACT:
There is provided an image display device with a two-modulation optical system for displaying an image corresponding to input image signals. The image display device includes a first optical modulation element for turning on or off pixels every subfield in the unit of plane; and second optical modulation elements for displaying gradation of the pixels in the unit of line, the first optical modulation element and the second optical modulation element are arranged optically in series; a second optical modulation element drive unit for driving the second optical modulation elements in a line-sequential manner; and a first optical modulation element drive unit for generating a control signal for controlling the pixels in lines disposed to correspond to the unit of single or several lines of the line-sequential driving of the second modulation elements with a driving interval in the unit of single or several lines and controlling the first optical modulation element in synchronism with the unit of single or several lines.
REFERENCES:
patent: 6275271 (2001-08-01), Hitomi et al.
patent: 2002/0003522 (2002-01-01), Baba et al.
patent: 2005/0190140 (2005-09-01), Asahi et al.
patent: A 2000-259126 (2000-09-01), None
patent: A 2001-125067 (2001-05-01), None
patent: A 2005-284251 (2005-10-01), None
Asahi Tsunemori
Nakamura Jun-ichi
Nitta Takashi
Bukowski Kenneth
Oliff & Berridg,e PLC
Seiko Epson Corporation
Sherman Stephen G
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