H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 13/00 (2006.01) B61L 3/22 (2006.01) B61L 25/02 (2006.01) H01Q 1/32 (2006.01) H01Q 21/00 (2006.01)
Patent
CA 2197110
his invention relates to a device and process for transmitting information in a radiating waveguide system (2) along which a mobile element moves. The transmission device is characterized by: - a means of injecting an unmodulated carrier wave into the said radiating waveguide; - a means of taking spot samples (3,4), along the said radiating waveguide (2), of part of the energy of the said unmodulated carrier wave; - a means of modulating (7,8) the said unmodulated carrier wave using a local modulation signal in which is encoded the information intended for the said mobile element; and - a means (5) of beaming the said modulated carrier wave to the said mobile element.
La présente invention porte sur un dispositif et un procédé de transmission d'informations pour système à guide d'ondes rayonnant (2), guide d'ondes le long duquel se déplace un mobile. Le dispositif de transmission est caractérisé en ce qu'il comporte: - des moyens pour injecter une onde porteuse non modulée dans ledit guide d'ondes rayonnant, - des moyens de prélèvement ponctuel (3,4), le long dudit guide d'ondes rayonnant (2), d'une partie de l'énergie de ladite onde porteuse non modulée, - des moyens de modulation (7,8) pour appliquer à ladite onde porteuse non modulée un signal de modulation local représentant l'information destinée audit mobile, et - des moyens (5) pour rayonner, à destination dudit mobile, ladite onde porteuse modulée.
Berbineau Marion
Duhot Denis
Heddebaut Marc
Rioult Jean
Gec Alsthom Transport Sa
Robic
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