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Remote accessing system for cellular telephones

  • US 5,046,082 A
  • Filed: 05/02/1990
  • Issued: 09/03/1991
  • Est. Priority Date: 05/02/1990
  • Status: Expired due to Term
First Claim
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1. A remotely accessible cellular telephone (RACT) having operational data stored therein, said RACT comprising:

  • an erasable, non-volatile memory for storing said operational data;

    processing means coupled to said memory and being programmed to manipulate said operational data;

    an audio bus for the transmission of audio frequency signals;

    a modem having an audio port coupled to said audio bus and a data port coupled to said processing means, said modem being operable to communicate data between said processing means and said audio bus; and

    signal detection means, having an input coupled to said audio bus and an output coupled to said processing means, for detecting the occurrence of an audio signal having predetermined parameters.

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