Method and apparatus for wirelessly coupling a source signal...

H - Electricity – 04 – H

Patent

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Details

H04H 20/62 (2008.01) H04H 40/00 (2008.01) H04B 7/15 (2006.01) H04B 7/155 (2006.01) H04B 7/185 (2006.01)

Patent

CA 2560273

A digital audio system (20) can include a receiver (24) coupled to an RF modulator (30), a source signal modulated by the RF modulator to provide a modulated signal, and an external antenna (32) for receiving the source signal and for transmitting the modulated signal. The receiver can be a satellite radio receiver or any digital source such as an FM radio or MP3 player for example. The system can further include a coupling network (26) coupled between the receiver and the external antenna and between the RF modulator and the external antenna. The system can further include an internal antenna (34) coupled to the RF' modulator for radiating the modulated signal via a second path. The digital audio system can be a satellite digital audio radio system for a vehicle (31) with the external antenna placed outside the vehicle and the internal antenna placed inside the vehicle.

Cette invention concerne un système audio numérique (20) pouvant inclure un récepteur (24) couplé à un modulateur RF (30), un signal source modulé par un modulateur RF qui fournit un signal modulé, et une antenne extérieure (32) pour la réception du signal source et l'émission du signal modulé. Le récepteur peut être un récepteur radio par satellite ou toute source numérique telle qu'une radio FM ou un lecteur MP3. Le système peut comporter en outre un réseau de couplage (26) connecté entre le récepteur et l'antenne extérieure, et entre le modulateur et cette antenne extérieure. De plus, il peut être munie d'une antenne intérieure (34) couplée au modulateur RF et qui propage le signal modulé via un second chemin. Le système audio numérique peut être un système radio numérique par satellite destiné à un véhicule (31) avec antenne extérieure monté à l'extérieur du véhicule et antenne intérieure à l'intérieur dudit véhicule.

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