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:
Aug. 25, 2026
Filed:
Aug. 20, 2021
Nec Corporation, Tokyo, JP;
Yoshirou Satou, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
In this optical communication device, the multiple optical signal processing units are provided on one optical path; and on the basis of a mask setting that is set by a specific optical signal processing unit, which is among the multiple optical signal processing units and includes the detection unit that has detected the failure, for a next-stage optical signal processing unit connected to the optical path after the specific optical signal processing unit, the reception unit does not output, to the outside, a failure notification from the detection unit provided in the optical signal processing unit for which the mask setting is set and outputs, to the outside, a failure notification from the detection unit provided in any of the optical signal processing units for which the mask setting is not set.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile