04455570 is referenced by 155 patents and cites 9 patents.

In a cable television system wherein a polling channel is provided for two-way communications between the center and the terminal units, video data signals are transmitted on request from the center to the terminal units during an otherwise idle period in said polling channel.

Title
CATV System
Application Number
6/311082
Publication Number
4455570
Application Date
October 13, 1981
Publication Date
June 19, 1984
Inventor
Kenji Yashiro
Tokyo
JP
Yoshifumi Saeki
Tokyo
JP
Agent
Sughrue Mion Zinn Macpeak and Seas
Assignee
Pioneer Electronic Corporation
JP
IPC
H04N 7/10
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