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:
Oct. 12, 2004
Filed:
May. 09, 2000
Applicant:
Inventors:
Hiroshi Ukaji, Sowa-Machi, JP;
Fumito Kuramochi, Sowa-Machi, JP;
Toshihiiko Takano, Tokyo, JP;
Kuniaki Jinnai, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/002 ; H04B 1/016 ; H04B 1/000 ;
U.S. Cl.
CPC ...
H04B 1/002 ; H04B 1/016 ; H04B 1/000 ;
Abstract
A WDM optical transmission system in which a retiming unit disposed at the front stage of the optical signal supplying unit of an optical transceiver is provided. The pulse width distortion of an optical signal generated in optical transmission through an optical fiber between two WDM optical transmission apparatus is corrected by the retiming unit after the optical signal has been demultiplexed and converted into an electrical signal.