JPS58178751U - signal transmission equipment - Google Patents
signal transmission equipmentInfo
- Publication number
- JPS58178751U JPS58178751U JP1982076811U JP7681182U JPS58178751U JP S58178751 U JPS58178751 U JP S58178751U JP 1982076811 U JP1982076811 U JP 1982076811U JP 7681182 U JP7681182 U JP 7681182U JP S58178751 U JPS58178751 U JP S58178751U
- Authority
- JP
- Japan
- Prior art keywords
- amplitude
- program signal
- signal transmission
- frequency
- transmission equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Television Systems (AREA)
- Television Systems (AREA)
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
第1図は信号伝送装置の一般的な系統図、第2図は振幅
変調されたFM被変調搬潜波の波形図、第3図は従来の
信号伝送方式9送信機の系統図で本考案の実施例にも使
用される。第4図は従来の信号伝送方式の受信機および
再放送用送信機の系統図、第5図は本考案の一実施例、
特に再放送用送信機の系統図、第6図は本考案に使用さ
れる位相変調補償器の一例を示す系統図。
図において1・・・スタジオ、2・・・スタジオ側ST
°リンクの送信アンテナ、3・・・FM送信所、4・・
・FM送信所側STリンクの受信アンテナ、5・・・F
M送信所側の放送機用送信アンテナ、6・・・有線回線
、11・・・振幅変調された周波数被変調搬送波波形、
12・・・振幅変調波、101・・・プログラム信号入
力端子、102・・・周波数変調器、103・・・振幅
制限増幅器、104・・・振幅変調器、105・・・リ
モコン信号入力端子、201・・・周波数変換器、20
2・・・−自動利得制御増幅器、203・・・振幅制限
器、204・・・分周又は逓倍器、205・・・周波数
変換器、206・・・電力増幅器、207・・・振幅復
調器、208・・・リモコン信号出力端子、209・・
・位相変調補償器、“301・・・分配器、302・・
・遅延線、30゛3・・・位相変調器、304・・・バ
ンドパスフィルタ、305・・・検波器、306・・・
ローパスフィルタ。
1
#2図 −。
T2 χV
1中
♀。
#−3閑
うFigure 1 is a general system diagram of a signal transmission device, Figure 2 is a waveform diagram of an amplitude-modulated FM carrier wave, and Figure 3 is a diagram of a conventional signal transmission system 9 transmitter, which was invented by the present invention. Also used in the examples. Fig. 4 is a system diagram of a conventional signal transmission system receiver and rebroadcast transmitter, and Fig. 5 is an embodiment of the present invention.
In particular, a system diagram of a transmitter for rebroadcasting, and FIG. 6 is a system diagram showing an example of a phase modulation compensator used in the present invention. In the diagram, 1...Studio, 2...Studio side ST
° Link transmitting antenna, 3... FM transmitting station, 4...
・FM transmitting station side ST link receiving antenna, 5...F
Transmitting antenna for broadcasting machine on the M transmitting station side, 6... wired line, 11... frequency modulated carrier waveform that is amplitude modulated;
12... Amplitude modulated wave, 101... Program signal input terminal, 102... Frequency modulator, 103... Amplitude limiting amplifier, 104... Amplitude modulator, 105... Remote control signal input terminal, 201...frequency converter, 20
2... Automatic gain control amplifier, 203... Amplitude limiter, 204... Frequency divider or multiplier, 205... Frequency converter, 206... Power amplifier, 207... Amplitude demodulator , 208...Remote control signal output terminal, 209...
・Phase modulation compensator, "301...Distributor, 302...
・Delay line, 30゛3... Phase modulator, 304... Band pass filter, 305... Detector, 306...
low pass filter. 1 #2 Figure -. T2 χV 1 medium ♀. #-3 Quiet
Claims (1)
只のプログラム信号で振幅変調して作られた変調波を受
ける装置であって、前記変調波から第二のプログラム信
号を抽出する振幅復調器と、前記変調波を第二のプログ
ラム信号で位相変調する位相変調器と、前記位相変調器
の出力の振幅を制限する振幅制限器と、前記振幅制限器
の出力を周波数変換して第一のプログラム信号を再送信
する手段とを具備することを特徴とする信号伝送装置。An amplitude demodulator that receives a modulated wave created by frequency-modulating a carrier wave with a first program signal and then amplitude-modulating it with a second program signal, the amplitude demodulator extracting a second program signal from the modulated wave. a phase modulator that modulates the phase of the modulated wave with a second program signal; an amplitude limiter that limits the amplitude of the output of the phase modulator; and a first program signal that converts the output of the amplitude limiter into a frequency. A signal transmission device comprising: means for retransmitting a program signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982076811U JPS58178751U (en) | 1982-05-25 | 1982-05-25 | signal transmission equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982076811U JPS58178751U (en) | 1982-05-25 | 1982-05-25 | signal transmission equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58178751U true JPS58178751U (en) | 1983-11-30 |
Family
ID=30086106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1982076811U Pending JPS58178751U (en) | 1982-05-25 | 1982-05-25 | signal transmission equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58178751U (en) |
-
1982
- 1982-05-25 JP JP1982076811U patent/JPS58178751U/en active Pending
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