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. 28, 2013
Filed:
Apr. 29, 2011
Jean-didier Gayrard, Cugnaux, FR;
Mathieu Dervin, Toulouse, FR;
Bruno Celerier, Auribeau sur Siagne, FR;
Jean-Didier Gayrard, Cugnaux, FR;
Mathieu Dervin, Toulouse, FR;
Bruno Celerier, Auribeau sur Siagne, FR;
Thales, Neuilly sur Seine, FR;
Abstract
A distance measurement system for locating a geostationary satellite equipped with a transponder includes: a central station emitting a distance measurement signal; and at least one measurement station receiving the emitted signal, including means for measuring the time of arrival of the emitted signal, and transmitted via the transponder of the satellite. The central and measurement stations, of known positions, include synchronization means with a common time base. The transponder is that of a satellite telecommunications system, and has a bandwidth B. The central station includes means for emitting a specific distance measurement signal, distinct from the telecommunications signals transmitted via the transponder, with periodic events and with spread spectrum, the bandwidth of which is included in B.