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Portable compact device

  • US 5,007,015 A
  • Filed: 10/17/1988
  • Issued: 04/09/1991
  • Est. Priority Date: 11/06/1984
  • Status: Expired due to Term
First Claim
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1. A portable compact device for use with an external device supplying input data having a data structure consisting of said input data and associated indicating data which indicates the data type and stored address for the input data comprising:

  • interface means for providing an interface between an external device and the portable compact device;

    data memory means for storing the input data received by said interface means at an address corresponding to the indicating data;

    processing means coupled to the data memory means for receiving and sending the data between said interface means and said data memory means, the processing means including;

    control means for processing data stored in the data memory means in accordance with the indicating data and determining whether the data structure in the data memory means allows for the processing of the input data by the control means; and

    initializing means for establishing an initialized data structure in the data memory means when the control means determines that the data structure does not allow for the processing of the input data, the initialized data structure corresponding to an indicating data which indicates the data type and stored address which allows for the processing of the data stored in the data memory means.

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