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Patent Searching and Data


Title:
プロジェクター
Document Type and Number:
Japanese Patent JP5212161
Kind Code:
B2
Abstract:
A projector includes: an illuminating device including a light source device, a first lens array that comprises first regions located at four corners in the first lens array when viewed along a system optical axis and second regions located between the two first regions, and a second lens array; a light modulating device; a projection optical system; a light control device; and a mode selection device. The light control device blocks part of the plural partial light beams by causing first and second light shields to integrally operate, when the brightness priority mode is selected. The light control device always blocks part of the partial light beams with the first light shields and blocks part of the partial light beams by causing the second light shields to operate independently from the first light shields.

Inventors:
Kawamura Masakazu
Daisuke Hayashi
Application Number:
JP2009034906A
Publication Date:
June 19, 2013
Filing Date:
February 18, 2009
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
G03B21/14; G02B27/09; G03B21/00
Domestic Patent References:
JP2007219049A
JP2007199432A
JP2004151674A
JP2006106691A
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka