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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 10440792 B1

PDFFull Text
Date of Patent:
Oct. 08, 2019

Filed:

Mar. 23, 2018

Illumination apparatus and illumination system

Applicant:

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

Inventors:

Hironori Takeshita, Osaka, JP;

Kentaro Yamauchi, Hyogo, JP;

Satoru Yamauchi, Osaka, JP;

Shumpei Fujii, Osaka, JP;

Satoshi Hyodo, Hyogo, JP;

Assignee:

PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Thai Pham

Int. Cl.
CPC ...
F21V 3/02 (2006.01); F21S 8/04 (2006.01); H05B 33/08 (2006.01); H05B 37/02 (2006.01); G02B 27/09 (2006.01); G03B 21/20 (2006.01); F21V 8/00 (2006.01); G03B 21/14 (2006.01); F21V 15/01 (2006.01); F21V 23/00 (2015.01); F21S 8/02 (2006.01); F21V 3/04 (2018.01); F21V 9/02 (2018.01); F21V 21/30 (2006.01); F21Y 115/10 (2016.01); F21W 121/00 (2006.01); F21Y 113/17 (2016.01); F21Y 105/16 (2016.01); F21Y 113/20 (2016.01);
U.S. Cl.
CPC ...
H05B 33/0857 (2013.01); F21S 8/02 (2013.01); F21V 3/02 (2013.01); F21V 3/049 (2013.01); F21V 9/02 (2013.01); F21V 15/01 (2013.01); F21V 21/30 (2013.01); F21V 23/003 (2013.01); G02B 6/0051 (2013.01); G02B 27/0955 (2013.01); G03B 21/145 (2013.01); G03B 21/2033 (2013.01); G03B 21/2066 (2013.01); H05B 33/086 (2013.01); H05B 37/0281 (2013.01); F21W 2121/008 (2013.01); F21Y 2105/16 (2016.08); F21Y 2113/17 (2016.08); F21Y 2113/20 (2016.08); F21Y 2115/10 (2016.08);
Abstract

An illumination apparatus includes: a case having an opening portion; a light source disposed in the case and including a plurality of light-emitting elements; a light diffuser which is disposed in the opening portion, and diffuses and transmits light emitted from the plurality of light-emitting elements; and a controller that controls light emission from the light source. The controller: controls light emission from the plurality of light-emitting elements to project an image on the light diffuser, the image changing with time; and when changing the light emission from the plurality of light-emitting elements changing the image, controls the light emission from the light source to keep a change in at least one of (i) a light amount, (ii) a color temperature, and (iii) a spectral distribution of light emitted from the illumination apparatus within a predetermined range.

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