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Compact disc changer utilizing disc database

  • US 5,751,672 A
  • Filed: 07/26/1995
  • Issued: 05/12/1998
  • Est. Priority Date: 07/26/1995
  • Status: Expired due to Term
First Claim
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1. A system for playback of music compact discs, comprising in combination:

  • a disc changer for receiving a compact disc and converting data from said disc to signals representing music;

    means for reading an identifying portion of said disc which uniquely identifies said disc;

    a memory;

    means for comparing said identifying portion of said disc with said memory to determine if said identifying portion and associated identifying information relating to said compact disc is stored in said memory;

    a modem;

    searching means for accessing a remote database via said modem, wherein in the event said comparing means does not detect said identifying portion in said memory, said searching means accesses said remote database via said modem to locate identifying information relating to said disc, said disc being identified in said database by said identifying portion; and

    downloading means for downloading said identifying information from said remote database to said memory.

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