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:
Jul. 25, 2017
Filed:
Jun. 05, 2014
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Yuji Tochio, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A communication system includes a work path and a protection path that are set between a first transfer apparatus and a second transfer apparatus, one of the work path and the protection path being selected by the first transfer apparatus and the second transfer apparatus according to a control signal that includes first information indicating whether there is a failure in one of the work path and the protection path, and a third path that is activated when the first transfer apparatus or the second transfer apparatus receives a control signal in which the first information has been changed to second information indicating that a failure had occurred in both the work path and the protection path and is selected by the first transfer apparatus and the second transfer apparatus.