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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9219895 B1

PDFFull Text
Expired
Date of Patent:
Dec. 22, 2015

Filed:

Mar. 30, 2007

Projection device

Applicants:

Hirotake Nozaki, Port Washington, NY (US);

Nobuhiro Fujinawa, Yokohama, JP;

Inventors:

Hirotake Nozaki, Port Washington, NY (US);

Nobuhiro Fujinawa, Yokohama, JP;

Assignee:

Nikon Corporation, Tokyo, JP;

Attorney:

Miles & Stockbridge P.C.

Primary Examiner:

Anh Mai

Assistant Examiner:

Jessica M Apenteng

Int. Cl.
CPC ...
F21V 9/14 (2006.01); H04N 9/31 (2006.01); G03B 21/16 (2006.01); H04N 5/225 (2006.01); G03B 17/54 (2006.01); G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3197 (2013.01); G03B 17/54 (2013.01); G03B 21/16 (2013.01); H04N 5/225 (2013.01); H04N 9/315 (2013.01); H04N 9/3108 (2013.01); H04N 9/3141 (2013.01); H04N 9/3144 (2013.01); H04N 9/3176 (2013.01); G02B 27/283 (2013.01);
Abstract

A projection device includes: a plate shaped member that is thermally conductive; a light emitting element that is disposed upon the plate shaped member and emits light; a bending member that bends light from the light emitting element into an orientation parallel to the plate shaped member; a modulation element that modulates light bent by the bending member; and a polarized light separation element that bends light modulated by the modulation element into an orientation going away from the plate shaped member.

Find Patent Forward Citations

Nozaki, Hirotake. (2015). Projection device (U.S. Patent No. 9219895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9219895

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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