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. 05, 2019
Filed:
Aug. 04, 2017
Applicant:
Santec Corporation, Aichi, JP;
Inventors:
Yasuki Sakurai, Aichi, JP;
Naoyuki Mekada, Aichi, JP;
Assignee:
Santec Corporation, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/077 (2013.01); G02B 6/42 (2006.01); G02B 6/32 (2006.01); G02B 6/38 (2006.01);
U.S. Cl.
CPC ...
H04B 10/077 (2013.01); G02B 6/32 (2013.01); G02B 6/3845 (2013.01); G02B 6/4204 (2013.01); G02B 6/4206 (2013.01); G02B 6/4246 (2013.01);
Abstract
A detection device is provided with a light-receiving module configured to output an electrical signal according to a power of an input light received at a light-receiving surface, an optical lens configured to collimate and guide to the light-receiving surface the input light from the outside, and at least one condensing unit that is provided in a path of the input light between the optical lens and the light-receiving surface and configured to decrease a beam diameter of the input light at the light-receiving surface.