05027400 is referenced by 757 patents and cites 10 patents.

A multimedia bidirectional broadcast system including a broadcast station and subscriber terminals. The broadcast station includes a main control unit having therein a data base control table in which program and commerical down load sequences are recorded depending on a setting effected by a subscriber, a motion picture program data base, a commerical data base, a program transmitter for effecting accesses and transmissions of transmission programs onto transmission lines based on the setting of the main control unit, a commercial transmitter for accessing the commerical data base and for transmitting content thereof based on the setting of the main control unit, an image encoder for achieving a bandwidth compression on a video signal, a cell assembler for processing data to be transmitted onto a broadband transmission line so as to generate a cell of the data, and an asynchronous transfer mode exchange for delivering the cell to a subscriber system associated therewith. Each of the subscriber systems includes a network terminal, a terminal control unit, a decoder to decode the compressed video signal, and a television monitor.

Title
Multimedia bidirectional broadcast system
Application Number
7/394786
Publication Number
5027400
Application Date
August 16, 1989
Publication Date
June 25, 1991
Inventor
Hirotsugu Kojima
Tokyo
JP
Tetsuya Nakagawa
Koganei
JP
Shiro Tanabe
Hachioji
JP
Yukio Nakano
Hachioji
JP
Toru Baji
Inagi
JP
Agent
Pennie & Edmonds
Assignee
Hitachi
JP
IPC
H04H 1/00
H04N 1/00
H04N 7/167
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