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:
Jun. 06, 2006
Filed:
Mar. 08, 2002
Hideaki Koyano, Kanagawa, JP;
Masato Kobayashi, Kanagawa, JP;
Kazumaro Takaiwa, Kanagawa, JP;
Maki Hiraizumi, Kawasaki, JP;
Akio Takayasu, Kawasaki, JP;
Hideaki Koyano, Kanagawa, JP;
Masato Kobayashi, Kanagawa, JP;
Kazumaro Takaiwa, Kanagawa, JP;
Maki Hiraizumi, Kawasaki, JP;
Akio Takayasu, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical transmission device in which optical signal switching is performed to allow the device to be reduced in size and also which is capable of efficient recovery from fault, thereby improving system expansibility and communication quality. Overhead terminating section converts an optical signal to an electric signal and performs an overhead process including extraction of fault information and setting of status information. Optical switch section performs a process of switching the optical signal between active and standby lines, and switching control section provides a switching command to the optical switch section in accordance with the fault information.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile