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:
Sep. 04, 2018
Filed:
Dec. 29, 2015
Masayuki Fujiwara, Miyagi, JP;
Toshihiro Ishii, Miyagi, JP;
Yoichiro Takahashi, Miyagi, JP;
Toshihide Sasaki, Miyagi, JP;
Masayuki Fujiwara, Miyagi, JP;
Toshihiro Ishii, Miyagi, JP;
Yoichiro Takahashi, Miyagi, JP;
Toshihide Sasaki, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An optical sensor including an irradiation system including at least one light irradiator, the at least one irradiator including a surface emitting laser array having a plurality of light-emitting units, and a lens disposed in an optical path of the plurality of rays of light emitted from the plurality of light-emitting units to cause light exit directions of at least two of the plurality of light-emitting units to be not parallel to each other, such that the at least one irradiator irradiates a same point of a test object with a plurality of rays of light that are not parallel to each other. The optical sensor also including a detection system configured to detect the plurality of rays of light that are emitted from the irradiation system and propagated inside the test object.