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. 13, 2002
Filed:
Nov. 12, 1999
Applicant:
Inventor:
Marc Recouly, Lierville, FR;
Assignee:
Sagem SA, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 ;
U.S. Cl.
CPC ...
H04B 1/38 ;
Abstract
To make a multiband transmitter-receiver without having to greatly increase the number of oscillators used for the modulation and demodulation of signals located in frequency bands that are very different from one another, a pair ( ) of programmable frequency dividers is used, installed in a transmission circuit comprising a transmission frequency oscillator ( ), a single transition frequency oscillator and an intermediate frequency oscillator. To go from a use ( ) in one band to a use in another hand, it is enough, by means of a microprocessor ( ), to modify the division coefficients of the programmable dividers by using infradyne and supradyne dividers.