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:
Apr. 21, 2009
Filed:
Mar. 18, 2005
Dai Hagimura, Kawasaki, JP;
Dai Hagimura, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical transmission apparatus has a path trace function of carrying out a conductive state check of a path in a synchronous optical transmission network. The optical transmission apparatus includes a first judgment unit judging a path trace format of an existing standard in accordance with detection of a first specific code contained in path trace data, and a second judgment unit judging a path trace format of a new standard in accordance with detection of a second specific code contained in path trace data. The apparatus further includes a third judgment unit specifying one of the path trace formats of the new standard in accordance with a content of a third specific code contained together with the second specific code in the path trace data.