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Data transfer

  • US 6,661,801 B1
  • Filed: 10/06/1999
  • Issued: 12/09/2003
  • Est. Priority Date: 10/06/1998
  • Status: Expired due to Term
First Claim
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1. Data transmission apparatus for transmitting data from a plurality of data streams sent over a data channel, the apparatus comprising:

  • a data memory for storing data to be transmitted;

    a data storage control memory for storing, for each data stream, a definition of a corresponding storage block in the data memory;

    a data transmission controller for generating a transmission control signal indicating one of the data streams for transmission;

    a data transmitter for receiving the transmission control signal, accessing the data storage control memory to determine a storage block corresponding to the said data stream for transmission, transmitting an amount of data from that storage block, and, if all data has been transmitted from that storage block, generating a block done indication for that block; and

    a memory controller responsive to a block done indication for a storage block to allocate to the data stream corresponding to that storage block another storage block in the data memory by storing, for that data stream, a definition of the other storage block in the data storage control memory.

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