Patent ID: 6339696
Filing Date: 2002-01-15
Classification: H04B,H04N,H04R

Abstract:
A wireless radio frequency receiver for an in-vehicle audio/video system in which video programming is sent to a display device and corresponding audio programming is broadcast within the vehicle at low power over a system audio channel, the receiver comprising:an antenna; a tuner coupled to the antenna and having an output at a received channel, the tuner having an adjustable component that is adjusted to select the received channel from a selectable frequency range; and a frequency range adjuster coupled to the tuner, the range adjuster being operable in first and second modes, and being configured such that the first mode selects the frequency range as a full range including local broadcast channels and having a first bandwidth, and such that the second mode selects the frequency range as a restricted range including the system audio channel and having a second bandwidth that is significantly less than the first bandwidth to allow fine tuning by the tuner of the system audio channel.