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:
Feb. 15, 2022
Filed:
Nov. 04, 2020
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Hiroki Goto, Tokyo, JP;
Yoshihiro Matsumoto, Tokyo, JP;
Kiyoshi Onohara, Tokyo, JP;
Naoki Suzuki, Tokyo, JP;
Takayuki Yanagisawa, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 9/02 (2006.01); G01B 11/02 (2006.01); G01B 9/02017 (2022.01); G01B 9/02002 (2022.01); G01B 9/02004 (2022.01);
U.S. Cl.
CPC ...
G01B 11/026 (2013.01); G01B 9/02 (2013.01); G01B 9/02002 (2013.01); G01B 9/02004 (2013.01); G01B 9/02019 (2013.01);
Abstract
An optical distance measurement device includes: a photodetector including PDs for receiving interference light output from an optical interference unit and outputting detection signals of the interference light; and a switch for selecting one of the detection signals output from the PDs, in which a distance calculation unit calculates a distance to a measurement object on the basis of the detection signal selected by the switch.