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:
Apr. 16, 2002
Filed:
Mar. 01, 2000
Frédéric Croq, Tournefeuille, FR;
Florence Dolmeta, Cugnaux, FR;
Philippe Voisin, Tournefeuille, FR;
Didier Casasoprana, Saint Germain en Laye, FR;
Alcatel, Paris, FR;
Abstract
The invention concerns a telecommunications system in which the Earth is divided into areas ( ) within which communications are effected by means of transmit and receive means on a spacecraft, such as a satellite, allocated to communication for a plurality of areas. Areas ( ) of a first category ( ) are allocated signals having respective polarizations (P , P ) and carrier frequencies (&Dgr;F , &Dgr;F ) such that two adjacent areas of the first category are allocated signals having different polarizations or carrier frequencies. Each area of a second category ( ) is allocated signals having all the available polarizations and all the available carrier frequencies.