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Control method for peripheral device in host computer connectable to a plurality of peripheral devices

  • US 5,850,573 A
  • Filed: 11/21/1994
  • Issued: 12/15/1998
  • Est. Priority Date: 08/16/1990
  • Status: Expired due to Term
First Claim
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1. A system including a host computer connected to a bus and a peripheral device connected thereto, wherein said bus is connectable to a plurality of types of peripheral devices, each of a plurality of peripheral devices connected to said bus comprising:

  • program memory means for storing a control program for controlling the peripheral device by the host computer in advance;

    acceptance means for accepting a request command for requesting transfer of the control program from the host computer; and

    transfer means for transferring the control program to said host computer in response to the request command accepted by said acceptance means, andsaid host computer comprising;

    selection means for selecting each of said plurality of peripheral devices connected to said bus, one by one;

    transmission means for transmitting the request command to the peripheral device selected by said selecting means;

    receiving means for receiving the control program transferred from said selected peripheral device in response to the request command;

    internal memory means for storing said control program received by said receiving means; and

    control means for controlling said selected peripheral device with said control program stored in the internal memory means.

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