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Portable information terminal/method for renewing programs using PC card with utility programs on PC card displayed for selection according to control signal from controller

  • US 6,085,268 A
  • Filed: 03/10/1998
  • Issued: 07/04/2000
  • Est. Priority Date: 04/11/1997
  • Status: Expired due to Fees
First Claim
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1. A portable information terminal capable of updating a pre-stored program using a card in which a new program for updating said pre-stored program and a utility program for performing an updating operation are stored, said terminal comprising:

  • a card unit for reading and writing said new program and said utility program stored in said card;

    a program storage unit for replacing said pre-stored program with said new program stored in said card and storing said new program;

    a memory for temporarily storing said new program and said utility program read by said card unit;

    a controller for controlling the execution of said utility program stored in said memory, so as to enable said new program stored in said memory to be stored in said program storage unit;

    a display for displaying information concerning said utility program stored in said card according to a control signal from said controller; and

    an input unit for selecting said utility program from said display.

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