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.:
Date of Patent:
Nov. 20, 2018
Filed:
Jul. 06, 2017
Casio Computer Co., Ltd., Shibuya-ku, Tokyo, JP;
Masahiro Ogawa, Ome, JP;
CASIO COMPUTER CO., LTD., Tokyo, JP;
Abstract
A light source unit has a first light source for emitting light in a first wavelength range, a second light source for emitting light in a second wavelength range of the same color system as the light in the first wavelength range and having a different wavelength, a third light source including light emitting elements for emitting light in a third wavelength range different from the light in the first wavelength range and in the second wavelength range, a fourth light source for emitting light in a fourth wavelength range excited by the light in the third wavelength range as luminous light, and a control unit for controlling the illumination of the first, second, third and fourth light sources, and the control unit controls the number of light emitting elements of the third light source to be illuminated according to illuminated states of the first and second light sources.