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:
Jun. 29, 2021
Filed:
Jul. 18, 2018
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
There is provided a distance measurement device that can successfully take in reflected light from a distance measurement area, and at the same time, can achieve compactness of the distance measurement device. The distance measurement device includes a fixed part, a rotating part that is rotatably disposed on the fixed part, a laser light source that is disposed in the fixed part, and a photodetector that is disposed in the fixed part. The distance measurement device further includes a beam splitter that is disposed in the fixed part and separates an optical path of projection light emitted from the laser light source from an optical path of reflected light reflected by a distance measurement area and an imaging lens that is disposed in a common optical path of projection light and reflected light and is used for taking in reflected light reflected by the distance measurement area.