Patent ID: 6144400
Filing Date: 2000-11-07
Classification: H04N

Abstract:
A data delivery system in which a transmitting apparatus sends a video program to a receiving apparatus in response to a request therefrom, said data delivery system comprising:communication means provided in said receiving apparatus for sending said request for said video program to said transmitting apparatus;communication means provided in said transmitting apparatus for receiving said request for said video program from said receiving apparatus;first data outputting means provided in said transmitting apparatus for outputting data subsequent to a predetermined time's worth of data at the start of said video program to a plurality of channels; each channel being staggered by a time zone which is less than said predetermined time; the output data being transmitted only in response to said request from said receiving apparatus;first storage means provided in said receiving apparatus for storing in advance said predetermined time's worth of data;channel selecting means for selecting the channel whose data will be output earliest from among said plurality of channels in response to said request for reception of said video program from said receiving apparatus;second storage means for sequentially storing said data of the selected channel and wherein said stored data is simultaneously accessible by said receiving apparatus; anddata reproducing means provided in said receiving apparatus for reproducing the data stored in said first storage means in response to said request for reception and then sequentially reproducing the data sequentially stored in said second storage means, thereby restoring said video program.