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. 30, 2025
Filed:
Jan. 27, 2022
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Hiroyuki Kusaka, Tokyo, JP;
Masahiro Kashiwagi, Tokyo, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06N 3/067 (2006.01); G02B 27/42 (2006.01); G06E 3/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/4233 (2013.01); G02B 27/4272 (2013.01); G06E 3/00 (2013.01);
Abstract
An optical computing device includes: one or more light-diffraction elements each of which includes microcells, wherein each of the microcells has an individually set thickness or refractive index; and an optical signal input section that simultaneously inputs an optical signal and a delayed optical signal obtained by delaying the optical signal to the one or more light-diffraction elements.