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Method and apparatus to insert and extract data from a plurality of slots of data frames by using access table to identify network nodes and their slots for insertion and extraction data

  • US 6,266,702 B1
  • Filed: 09/28/1998
  • Issued: 07/24/2001
  • Est. Priority Date: 09/28/1998
  • Status: Expired due to Term
First Claim
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1. An extraction and insertion apparatus for inserting data into and extracting data from a data frame transmitted to a plurality of nodes, the data frame having a plurality of slots for storing data, the insertion and extraction apparatus comprising:

  • a memory having an access map identifying slots for extraction of information data at an identified node and also identifying slots for insertion of data at an identified node;

    an extraction and insertion control unit for modifying in the access map the identified slots and identified nodes for extraction of data, the identified slots and identified nodes for insertion of data;

    an extraction controller for providing data stored in one of the plurality of slots to a node identified by the access map; and

    an insertion controller for providing data to one of the plurality of slots from a node identified by the access map.

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