JPS6093376U

JPS6093376U - CATV equipment

Info

Publication number: JPS6093376U
Application number: JP18590183U
Authority: JP
Inventors: 児山　淳彌
Original assignee: 三菱電機株式会社
Priority date: 1983-11-29
Filing date: 1983-11-29
Publication date: 1985-06-26

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のヘッドエンド装置を示す系統図、第２図
はこの考案の一実施例によるヘッドエンド装置の系統図
である。１・・・第１の信号入力端子、２・・・第２の信号入力
端子、３・・・第１の信号め前置増巾器、４・・・第２
の信号の前置増巾器、５・・・第１の信号の送出用増巾
器、５・・・第２の信号の送出用増巾器、７・・・第１
の信号出力端子、８・・・第２の信号の送出出力端子、
９・・・第１の信号の音声復調器、１０・・・第２の信
号の音声復調器、１１・・・比較器、１２・・・切換回
路。なお図中、同一符号は同一部分を示す。FIG. 1 is a system diagram showing a conventional head-end device, and FIG. 2 is a system diagram of a head-end device according to an embodiment of this invention. DESCRIPTION OF SYMBOLS 1... First signal input terminal, 2... Second signal input terminal, 3... First signal preamplifier, 4... Second signal input terminal.
a preamplifier for the signal, 5... an amplifier for sending out the first signal, 5... an amplifier for sending out the second signal, 7... an amplifier for sending out the first signal;
signal output terminal, 8... second signal transmission output terminal,
9... Audio demodulator for the first signal, 10... Audio demodulator for the second signal, 11... Comparator, 12... Switching circuit. Note that in the figures, the same reference numerals indicate the same parts.

Claims

[Scope of utility model registration request]

CATV equipment that receives broadcast waves and rebroadcasts them compares the contents of two or more programs, and if the contents are the same, rebroadcasts only the priority channel and broadcasts it on other non-programs. A CATV device characterized by cutting off broadcasting of the same program on the priority side.