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Data terminal equipment

  • US 7,058,745 B2
  • Filed: 07/08/2004
  • Issued: 06/06/2006
  • Est. Priority Date: 05/01/2000
  • Status: Expired due to Fees
First Claim
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1. Data terminal equipment to which a module is attachable, whereinthe module comprises:

  • a first storage operable to store an application-specific program;

    a first processing unit operable to execute the application-specific program stored in the first storage;

    a first bus operable to transfer an execution result from the first processing unit; and

    a first communications controller operable to inquire as to a bit width of a second bus in the data terminal equipment from the data terminal equipment, register the bit width of the second bus returned from the data terminal equipment, adjust a number of bits of the execution result transferred from the first bus based on the registered bit width of the second bus, and transmit the execution result with the adjusted number of bits to the data terminal equipment,the data terminal equipment comprises;

    a connector for disconnectably connecting to the module; and

    a second communications controller operable to receive the execution result transmitted from the first communications controller, andthe data terminal equipment is operable to output, from an integral output part, the execution result provided by the first communications controller.

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