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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 9447933 B1

PDFFull Text
Expired
Date of Patent:
Sep. 20, 2016

Filed:

Jan. 15, 2015

Visible light communication system

Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Toshikazu Onishi, Tokyo, JP;

Kazuhiko Yamanaka, Osaka, JP;

Takuma Katayama, Kyoto, JP;

Assignee:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Mary Ellen Bowman

Int. Cl.
CPC ...
F21K 99/00 (2016.01); H04B 10/116 (2013.01); B82Y 20/00 (2011.01); F21V 13/02 (2006.01); H01S 5/02 (2006.01); H01S 5/042 (2006.01); H01S 5/183 (2006.01); H01S 5/343 (2006.01); H01S 5/42 (2006.01); H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
F21K 9/56 (2013.01); B82Y 20/00 (2013.01); F21V 13/02 (2013.01); H04B 10/116 (2013.01); H01S 5/0078 (2013.01); H01S 5/0216 (2013.01); H01S 5/0425 (2013.01); H01S 5/18369 (2013.01); H01S 5/34333 (2013.01); H01S 5/423 (2013.01);
Abstract

A visible light communication system includes a light transmitter including a group III nitride semiconductor laser element and a wavelength converter provided to face a light exit surface of the nitride semiconductor laser element and containing a fluorescent material. The visible light communication system further includes a wavelength filter configured to remove light emitted from the fluorescent material and a light receiving element configured to receive light emitted from the group III nitride semiconductor laser element via the wavelength filter.

Find Patent Forward Citations

Onishi, Toshikazu. (2016). Visible light communication system (U.S. Patent No. 9447933). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9447933

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

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