Telecommunications – Wireless distribution system – Receiver for satellite broadcast
Reexamination Certificate
2007-08-21
2007-08-21
Urban, Edward F. (Department: 2618)
Telecommunications
Wireless distribution system
Receiver for satellite broadcast
C455S041200, C455S003060, C455S023000
Reexamination Certificate
active
10803762
ABSTRACT:
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 MP3player 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 vehicle31with the external antenna placed outside the vehicle and the internal antenna placed inside the vehicle.
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Helstrom Terry C.
Nguyen Anh
Akerman & Senterfitt
Lee John J.
Meles Pablo
Urban Edward F.
XM Satellite Radio Inc.
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