Patent ID: 6594052
Filing Date: 2003-07-15
Classification: H04B

Abstract:
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.