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:
Dec. 30, 2025
Filed:
Feb. 04, 2022
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventor:
Yoshiki Satou, Yamanashi-ken, JP;
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/07 (2013.01); H04B 10/075 (2013.01); H04B 10/03 (2013.01); H04B 10/035 (2013.01); H04B 10/077 (2013.01); H04B 10/27 (2013.01); H04B 10/40 (2013.01);
U.S. Cl.
CPC ...
H04B 10/075 (2013.01); H04B 10/03 (2013.01); H04B 10/035 (2013.01); H04B 10/07 (2013.01); H04B 10/077 (2013.01); H04B 10/27 (2013.01); H04B 10/40 (2013.01);
Abstract
An optical communication device according to an embodiment is provided with: a communication circuit for transmitting and receiving a signal using a first communication optical fiber connected to a first port; a tester circuit for transmitting and receiving a test signal using a loop-back optical fiber connected to a second port; a determining unit which, when the amount of optical reception of the test signal is lower than a threshold value, determines that the loop-back optical fiber is degraded; and a notifying unit for notifying a determination result from the determining unit.