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.

Date of Patent:
Aug. 02, 2022

Filed:

May. 23, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Masaru Tsuchida, Tokyo, JP;

Kaoru Hiramatsu, Tokyo, JP;

Kunio Kashino, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 47/10 (2020.01); H05B 45/20 (2020.01); H05B 47/165 (2020.01);
U.S. Cl.
CPC ...
H05B 47/10 (2020.01); H05B 45/20 (2020.01); H05B 47/165 (2020.01);
Abstract

The chroma of a specific color can be emphasized with respect to an object without affecting the color of illumination light. An illumination light generator generates illumination light to be radiated to the object by adding or subtracting, to or from a reference illumination light spectrum that is an illumination spectrum serving as a reference, an element spectrum in accordance with designated conditions with respect to chroma adjustment from among a plurality of element spectra that are spectra for being added or subtracted to or from the reference illumination light spectrum and for performing chroma emphasis of a specific color without affecting an illumination light color.


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