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Field programming apparatus and method for updating programs in a personal communications device

  • US 5,590,373 A
  • Filed: 07/25/1994
  • Issued: 12/31/1996
  • Est. Priority Date: 07/25/1994
  • Status: Expired due to Fees
First Claim
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1. A field programing subsystem for a portable communications device that includes an electrically programmable data storage, comprising:

  • a decoding means coupled to a programming voltage source and the programmable data storage, for selectively applying a programming voltage to the programmable data storage;

    an option connector receptacle coupled to said decoding means;

    a first option attach connector, for selective connection to said option connector receptacle;

    a first connector identification means included with said first option attach connector, for identifying said first option attach connector to said decoding means, and in response thereto, said decoding means causing said programming voltage to be applied to said programmable data storage;

    an auxiliary device receptacle coupled to the programmable data storage;

    an auxiliary memory device, including auxiliary data, for selective connection to said auxiliary device receptacle;

    said first connector identification means of said first option attach connector, identifying said auxiliary memory device to said decoding means, and in response thereto, said decoding means causing said auxiliary data to be stored in said programmable data storage.

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