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:
May. 28, 1996
Filed:
Nov. 30, 1994
Applicant:
Inventors:
Anders G Djupsjobacka, Solna, SE;
Olof G Sahlen, Solna, SE;
Assignee:
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02F / ;
U.S. Cl.
CPC ...
385123 ; 385 24 ; 385 45 ; 385 49 ; 359109 ; 359173 ;
Abstract
The present invention relates to a device and a method respectively for dispersion compensation in a fibre optic transmission system in which an optic signal is fed to the device. The device comprises an optic separating device for spectral optic splitting of the optic input signal into two branches in an upper and lower modulation sideband, a delay device for selective delay of the spectral bands in relation to one another, and a combining device for combining the sidebands.