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Data communication method

  • US 5,933,430 A
  • Filed: 08/09/1996
  • Issued: 08/03/1999
  • Est. Priority Date: 08/12/1995
  • Status: Expired due to Term
First Claim
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1. A data communication method, comprising:

  • converting a format of a first interface for use in transmitting digital data unidirectionally to an isochronous transmission format of a second interface for use in transmitting digital data bidirectionally, said first interface using said digital data unidirectionally having a sampling frequency selected from a number of sampling frequencies;

    converting a control signal to an asynchronous transmission format of said second interface; and

    transmitting said control signal in said asynchronous transmission format time-divisionally multiplexed with said digital data in said isochronous transmission format represented by a plurality of data blocks, the length of each data block being set to a combination of a predetermined number of data packets which is the same for each of the selected sampling frequencies of said first interface and a remaining number of dummy packets according to said each selected sampling frequency.

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