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:
Mar. 19, 1996
Filed:
Sep. 13, 1994
Applicant:
Inventor:
Stephen B Krasulick, Fogelsville, PA (US);
Assignee:
AT&T Corp., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 38 ;
Abstract
A circuit housed in a semiconductor laser package for interfacing a semiconductor laser with an external laser drive source. The circuit having a transformer with primary and secondary windings for matching the impedance of the laser drive source and the semiconductor laser. The circuit further includes a tilt circuit for compensating the negative sloping effects of the transformer.