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:
Nov. 07, 2023
Filed:
Jan. 29, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Masatoshi Nishio, Osaka, JP;
Jingbo Wang, Hyogo, JP;
Hitoshi Nishimura, Osaka, JP;
Motoki Morioka, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/70 (2014.01); B23K 26/082 (2014.01); B23K 26/06 (2014.01); B23K 26/38 (2014.01);
U.S. Cl.
CPC ...
B23K 26/705 (2015.10); B23K 26/0648 (2013.01); B23K 26/082 (2015.10); B23K 26/38 (2013.01); B23K 26/707 (2015.10);
Abstract
A detector is configured to detect an output of a reflected beam from an exit end surface of a parallel plate. A determination unit is configured to determine that an abnormality occurs in the parallel plate when a detection value of the detector is smaller than a determination threshold.