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:
Oct. 18, 2022
Filed:
Oct. 11, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Toshihiro Koga, Osaka, JP;
Kiyoshi Hibino, Kyoto, JP;
Takashi Haruguchi, Kyoto, JP;
Kazuhisa Ide, Osaka, JP;
Masaomi Inoue, Osaka, JP;
Masahiro Shiihara, Osaka, JP;
Kouichi Bairin, Osaka, JP;
Kouichi Kumamaru, Osaka, JP;
Abstract
There is provided a distance measurement device that can appropriately detect a distance to an object regardless of the distance. The distance measurement device includes a laser light source, a photodetector, and a controller. The controller performs a long-distance routine that detects timing for receiving light when an object is at a long distance, and a short-distance routine that detects the timing for receiving light when the object is at a short distance, based on a detection signal output from the photodetector during one distance measurement operation. The controller then selects one of a detection result of the timing for receiving light by the long-distance routine and a detection result of the timing for receiving light by the short-distance routine, and calculates the distance to the object irradiated with projection light based on the selected detection result.