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:
May. 15, 1979
Filed:
Aug. 23, 1977
Applicant:
Inventor:
Rene Lechevin, Paris, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
325 20 ; 343176 ;
Abstract
Each station comprises a cavity oscillator microwave transmitter/receiver employed both as transmitter and local oscillator, each secondary station being characterized by the value of its own intermediate frequency. The main station separately receives each of the intermediate frequencies and is modulated by a multiplexed signal formed by the information intended for each of the secondary stations.
Lechevin, Rene. (1979). Two-way transmission system between a main station and secondary stations (U.S. Patent No. 4155039). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4155039
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile