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Transmitting apparatus and method, receiving apparatus and method, distribution medium and transmitting system

  • US 6,594,052 B2
  • Filed: 04/20/1999
  • Issued: 07/15/2003
  • Est. Priority Date: 04/22/1998
  • Status: Expired due to Fees
First Claim
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1. A transmitting apparatus for an optically connected system having a plurality of receiving apparatus, comprising:

  • receiving means for detecting input infrared signals from said plurality of receiving apparatus;

    plural encoders for digitizing and encoding a plurality of input analog voice signals;

    plural on-demand servers corresponding to said plural encoders for accumulating encoded voice signals as on-demand voice data and on-demand control information from the detected input infrared signals;

    a near on-demand server for supplying previously stored near on-demand voice data and near on-demand control information;

    character data supplying means for supplying character data;

    control data supplying means for supplying remote control data;

    multiplexing means for selecting and multiplexing said plurality of input analog voice signals, said on-demand voice data and on-demand control information, said near on-demand voice data and near on-demand control information into a plurality of voice data channels;

    the voice data channels being multiplexed with said character data and said remote control data into data blocks; and

    transmitting means for transmitting said data blocks as output infrared signals to said plurality of receiving apparatus.

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