BI-DIRECTIONAL CABLE COMMUNICATION METHOD AND SYSTEM THEREFOR

Japanese Patent JP3555409

B2

PROBLEM TO BE SOLVED: To perform point/multipoints communication while coping with the addition of a system in a bi-directional cable communication method and a device.
SOLUTION: A down-channel 0 and up-channels 1-4 are provided on a cable communication network between a master station 40 and slave stations 41-47. The down-channel 0 occupies a band for a television one channel. The up- channels 1-4 respectively occupy one part of up-channel bands 10, 12, 12 and 13 which occupy a band for a television one channel. The signal of the down- channel 0 includes information indicating the available up-channels 1-4.

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Kazuhiro Ota
Yasuo Nagaishi

JP29064697A

August 18, 2004

October 23, 1997

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Matsushita Electric Industrial Co., Ltd

H04H20/42; H04H20/76; H04H20/79; H04L12/28; H04L12/40; H04L12/403; H04N21/258; H04N21/437; H04N21/61; (IPC1-7): H04L12/40; H04N7/16

JP9153873A
JP10210039A
JP865269A

近江ほか,非対称型高速ケーブルモデムシステム,1997年電子情報通信学会通信ソサイエティ大会講演論文集2,日本,社団法人電子情報通信学会,1997年 8月13日,P.77(B-6-77)

Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito

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