Projection type video display

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8049822
APP PUB NO 20070201006A1
SERIAL NO

11710992

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves for each color for generating respective color image lights by modulating each received color illumination light, an imaging lens group for guiding the image-writing light emitted from the write light valve to the respective read light valves, a dichroic cube for combining together color image lights emitted from the respective read light valves, a projection lens for projecting each color image light combined together. The imaging lens group has a distortion aberration which reduces or cancels out a distortion aberration of the projection lens.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SANYO ELECTRIC CO LTDOSAKA JAPAN OSAKA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amano, Ryuhei Osaka, JP 36 415
Arai, Kazuhiro Osaka, JP 63 1055
Ikeda, Takashi Osaka, JP 403 3689
Kanayama, Hideyuki Kyoto, JP 36 590
Miwa, Takashi Osaka, JP 74 511
Yokote, Yoshihiro Osaka, JP 53 356

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