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. 04, 2001
Filed:
Aug. 23, 2000
Applicant:
Inventor:
Robert Berranger, Elancourt, FR;
Assignee:
Thomson-CSF, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 2/702 ;
U.S. Cl.
CPC ...
G01R 2/702 ;
Abstract
The device comprises a current/voltage transformer (,) coupled by its primary winding between a matching device (,) of an antenna (,) and the output of an amplifier (,) for the supply or the antenna (,), a first (,) and a second (,) baseband digital frequency transposition device respectively coupled to the output of the amplifier (,) and to the secondary winding of the transformer (,), and a computation device (,) to compute the impedance of the antenna (,) from signals given by the first frequency transposition device (,) and the second frequency transposition device (,).