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Method of improving computer communication speed in key telephone system

  • US 5,732,129 A
  • Filed: 03/12/1997
  • Issued: 03/24/1998
  • Est. Priority Date: 03/12/1996
  • Status: Expired due to Term
First Claim
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1. A method of improving the speed of a computer communication interface module in a key telephone system, the method comprising the steps of:

  • (a) detecting if control data transmission/reception interrupt occurs or not;

    (b) checking start flag in control data;

    (c) performing computer communication data polling at interval less than half of a control data processing clock;

    (d) receiving or transmitting one byte of computer data during the period of less than half of the clock, if there is an event of computer communication data after the polling; and

    (e) checking an end flag, finishing the process if there is an end flag, and carrying out processes repeatedly flora step (c) if there is no end flag.

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