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:
Sep. 19, 1989
Filed:
Dec. 09, 1987
Applicant:
Inventors:
Meyer Gilden, West Hartford, CT (US);
Louis B Allen, Jr, West Chester, OH (US);
Assignee:
United Technologies, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455617 ; 455612 ;
Abstract
A system for the transmission of signals along an optical carrier employs a technique to extend the effective frequency range of modulation beyond that of which a semiconductor laser is capable by combination of signals at the source to form a composite difference signal and recombination at the receiver to restore the original signal.