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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 9207522 B1

PDFFull Text
Date of Patent:
Dec. 08, 2015

Filed:

Sep. 18, 2013

Light source unit and projector

Applicant:

Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;

Inventors:

Hiroki Masuda, Akishima, JP;

Masahiro Ogawa, Ome, JP;

Osamu Umamine, Fuss, JP;

Assignee:

CASIO COMPUTER CO., LTD., Tokyo, JP;

Attorney:

Holtz, Holtz, Goodman & Chick PC

Primary Examiner:

Sultan Chowdhury

Int. Cl.
CPC ...
G03B 21/00 (2006.01); G03B 21/14 (2006.01); F21V 9/08 (2006.01); F21V 13/08 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/142 (2013.01); F21V 9/08 (2013.01); F21V 13/08 (2013.01); G03B 21/204 (2013.01); G03B 21/208 (2013.01); G03B 21/2013 (2013.01); H04N 9/3161 (2013.01);
Abstract

The invention includes an excitation light source, a light distribution adjusting member on which excitation light from the excitation light source is incident, and a luminescent material which emits luminous light of a different wavelength from that of the excitation light by the excitation light which passes through the light distribution adjusting member being shone on thereto, wherein the excitation light source is disposed so that the excitation light is incident on a light incident surface of the light distribution adjusting member at a predetermined angle.

Find Patent Forward Citations

Masuda, Hiroki. (2015). Light source unit and projector (U.S. Patent No. 9207522). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9207522

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

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