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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 11255514 B1

PDFFull Text
Date of Patent:
Feb. 22, 2022

Filed:

Jan. 13, 2020

Illumination apparatus having planar array of leds and movable pair of lens arrays for modifying light output

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Noboru Osaka, Habikino, JP;

Yoichi Oeda, Utsunomiya, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Canon U.S.A., Inc., IP Division

Primary Examiner:

Ismael Negron

Int. Cl.
CPC ...
F21V 14/06 (2006.01); F21V 9/40 (2018.01); G02B 19/00 (2006.01); F21V 5/04 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 9/40 (2018.02); F21V 5/04 (2013.01); G02B 19/0066 (2013.01); F21Y 2115/10 (2016.08);
Abstract

An illumination apparatus includes a plurality of LED chips arranged to form an LED array, light from the plurality of LED chips superimpose to project a light intensity distribution projected on the predetermined plane; a pair of lens arrays each including a plurality of lenses and configured to collect light from the LED arrays; a driving unit configured to adjust a distance between the pair of lens arrays and change the light intensity distribution projected on the predetermined plane; and a control unit for individually controlling the output of the first and second LED arrays.

Find Patent Forward Citations

Osaka, Noboru. (2022). Illumination apparatus having planar array of leds and movable pair of lens arrays for modifying light output (U.S. Patent No. 11255514). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11255514

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

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