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Data transmission apparatus and method

  • US 6,993,689 B2
  • Filed: 10/30/2001
  • Issued: 01/31/2006
  • Est. Priority Date: 10/31/2000
  • Status: Expired due to Fees
First Claim
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1. A data transmission apparatus including a transmitter that transmits encoded data to a network, comprising:

  • a network information receiver configured to receive network information regarding a network condition of a network;

    a network condition determination device configured to determine the network condition based on the network information received by the network information receiver;

    a plurality of storage media in which a plurality of respective encoded data sets encoded at different respective transmission rates have been stored;

    an encoded data switching device configured to switch among the storage media according to the network information to select one of the encoded data sets that has a transmission rate corresponding to the switching information; and

    an encoded data selector configured to select a transmission rate of encoded data to be transmitted from a transmitter based on the network condition information outputted from the network condition determination device and output the selected transmission rate as the switching information to the encoded data switching device.

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