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:
Aug. 21, 2018
Filed:
Feb. 27, 2017
Applicant:
Casio Computer Co., Ltd., Tokyo, JP;
Inventor:
Masami Yuyama, Tokyo, JP;
Assignee:
CASIO COMPUTER CO., LTD., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); G01D 5/347 (2006.01); H05B 33/08 (2006.01); H01L 31/0203 (2014.01);
U.S. Cl.
CPC ...
H05B 37/0227 (2013.01); G01D 5/3473 (2013.01); H01L 31/0203 (2013.01); H05B 33/0869 (2013.01);
Abstract
A photointerrupter includes a light emitter and a light receiver integrally formed with each other. The light emitter includes at least two light sources and emits light. At least one of the at least two light sources are individually tunable in light intensity. The light receiver receives the light from the light emitter.