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:
Mar. 24, 2020
Filed:
Oct. 23, 2017
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Wataru Majima, Minamiashigara, JP;
Kazuhiro Oki, Minamiashigara, JP;
Mitsuyoshi Ichihashi, Minamiashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/21 (2006.01); G02B 5/30 (2006.01); G01V 8/10 (2006.01); G01N 21/86 (2006.01); G01N 21/23 (2006.01); G01J 1/04 (2006.01); G01J 1/06 (2006.01);
U.S. Cl.
CPC ...
G01N 21/21 (2013.01); G01J 1/0429 (2013.01); G01J 1/06 (2013.01); G01N 21/23 (2013.01); G01N 21/86 (2013.01); G01V 8/10 (2013.01); G02B 5/30 (2013.01); G02B 5/3033 (2013.01); G01N 2021/216 (2013.01);
Abstract
A sensing method includes sensing the target object by sensing light that is derived from emitted light and has passed the target object, in which the emitted light is circularly polarized light, sensed light is circularly polarized light, and light derived from the emitted light is incident to the target object at an angle greater than 20° and equal to or smaller than 70° that is formed with a normal line of the target object.