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:
Nov. 02, 1999
Filed:
Jun. 25, 1997
Applicant:
Inventors:
Reinhard Hanno Czichy, Eggersriet, CH;
Bernhard Wandernoth, Kirchberg/SG, CH;
Assignee:
Oerlikon Contraves AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
359183 ; 359158 ;
Abstract
The invention relates to a method for the transmission of a low-rate supplementary channel 24 in high-rate coherent optical transmission systems for the transmission of supplemental data 26, in particular relating to the operation, in an optical communications link, in which a user data flow 17 in the form of a phase-modulated laser lightwave is transmitted, and and wherein syncbits (synchronization bits) are scattered into the user data flow 17 by a transmitter.