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Time slot exchanger mechanism in a network for data communication having isochronous capability

  • US 5,521,928 A
  • Filed: 05/11/1995
  • Issued: 05/28/1996
  • Est. Priority Date: 11/02/1992
  • Status: Expired due to Term
First Claim
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1. Apparatus for communicating between first and second entities in a time slot interchange fashion, the apparatus comprising:

  • a storage memory having first, second and third memory sections;

    wherein said first memory section is coupled to receive data from said first entity;

    wherein said second memory section is adapted to store data received from said first entity prior to receipt of said data by said first memory section;

    wherein said third memory section is coupled to said second entity and outputs to said second entity data received from said first entity at a time previous to receipt of said data stored in said second memory section;

    means coupled to said first and second entities for receiving a first cycle start reference from said first entity indicating the start of a cycle of data of said first entity and a second cycle start reference from said second entity indicating the start of a cycle of data of said second entity, respectively; and

    control means coupled to said means for receiving for alternately assigning first, second and third physical storage locations to said first, second and third memory sections, respectively, responsive to receipt of said first and second cycle start references.

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