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Retrofitable CD player system

  • US 5,790,481 A
  • Filed: 11/21/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 11/21/1996
  • Status: Expired due to Fees
First Claim
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1. A high quality audio source for use in combination with an existing car radio installation, comprisinga radio/tuner having a first antenna input, and providing first audio signals on a set of first audio signal outputs, a high quality audio source providing second audio signals on a set of second audio signal outputs,said radio/tuner further including means for selectively controlling said first or second audio signals,an antenna for receiving wireless transmitted signals,a preamplifier,a set of loudspeaker amplifiers, each having an input and an output,a plurality of loudspeakers each having a fourth audio signal input;

  • said pre-amplifier havingan modulated signal output connected to said first antenna input,a set of first audio signal inputs connected to said first audio signal outputs of said radio/tuner,a set of second audio signal inputs connected to said second audio signal outputs of said high quality audio source,a third set of audio signal outputs, each of said third set of audio signal outputs being connected to one of said fourth audio signal inputs of said plurality of loudspeakers via an associated one of said loudspeaker amplifiers.

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