Projector and anamorphic prism optical unit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8827463
APP PUB NO 20110199586A1
SERIAL NO

13022111

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A projector includes an anamorphic prism optical system for converting an aspect ratio of an irradiation region on which the video light is irradiated. The anamorphic prism optical system includes a first prism set and a second prism set. The first prism set is obtained by combining a first prism and a second prism, and the second prism set is obtained by combining a third prism and a fourth prism. The first prism, the second prism, the third prism, and the fourth prism are respectively rotatable around rotation axes thereof, and a space between the first and second prism sets is adjustable in association with the rotation of the first prism, the second prism, the third prism, and the fourth prism.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Morikuni, Eiji Shiojiri, JP 58 364

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