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:
Dec. 10, 1991
Filed:
Aug. 29, 1990
Applicant:
Inventors:
Dominique Rousselet, Toulouse, FR;
Jean-Luc Foucher, Seysses, FR;
Patrick Michau, Toulouse, FR;
Pascal Triaud, Tournefeuille, FR;
Assignee:
Alcatel Espace, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L / ; H03L / ;
U.S. Cl.
CPC ...
331 12 ; 331 17 ; 375120 ;
Abstract
A Costas loop carrier recovery device with particular application to communications with spacecraft includes a voltage-controlled oscillator. Two filters having different characteristics are connected to the oscillator by a loop filter via two circuits: