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:
Aug. 11, 1992
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Assignee:
Alcatel Telspace, Nanterre Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D / ; H03D / ;
U.S. Cl.
CPC ...
329304 ; 329308 ; 375 81 ; 375 86 ;
Abstract
A microwave demodulator for a digital radio link using QAM type modulation, comprising on one path, a first circuit for compensating quadrature error and, on the other path, a second circuit for compensating the delay and temperature variations of the first circuit. The invention is particularly applicable to digital radio beams.