JPS6025258U - signal transmission circuit - Google Patents
signal transmission circuitInfo
- Publication number
- JPS6025258U JPS6025258U JP11429683U JP11429683U JPS6025258U JP S6025258 U JPS6025258 U JP S6025258U JP 11429683 U JP11429683 U JP 11429683U JP 11429683 U JP11429683 U JP 11429683U JP S6025258 U JPS6025258 U JP S6025258U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- voice band
- transmission circuit
- modulated
- 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
- Digital Transmission Methods That Use Modulated Carrier Waves (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図は本考案による信号伝送回路の一実施例の構成を
示したブロック図、第２図は第１図の送信回路の出力信
号スペクトラムを示した図である。
１０・・・送信回路、１１・・・ＦＳＫ変調回路、１２
・・・音声帯多周波信号発生回路、、１３・・・信号合
成回路、２０・・・受信回路、２１・・・信号分離回路
、２２・・・ＦＳＫ復調回路、２３・・・音声帯多周波
信号識別回路、３０・・・単一の信号線。FIG. 1 is a block diagram showing the configuration of an embodiment of a signal transmission circuit according to the present invention, and FIG. 2 is a diagram showing an output signal spectrum of the transmission circuit of FIG. 1. 10... Transmission circuit, 11... FSK modulation circuit, 12
...Voice band multi-frequency signal generation circuit, 13...Signal synthesis circuit, 20...Receiving circuit, 21...Signal separation circuit, 22...FSK demodulation circuit, 23...Voice band multi-frequency signal generation circuit Frequency signal identification circuit, 30...single signal line.
Claims (1)
路まで伝送する信号伝送回路に於て、前記送信回路が、
時分割多重化されたディジタル信号で搬送波を変調し被
変調信号を出力する変調回路と、音声帯多周波信号を発
生する音声帯多周波信号発生回路と、前記被変調信号と
前記音声帯多周波信号を合成して該合成信号を前記単一
の信号線に送出する信号合成回路を有し、前記受信回路
が、前記単一のの信号線から送出されてきた前記合成信
号を前記被変調信号と前記音声帯多周波信号に分離する
信号分離回路と、該信号分離回路で分離された前記被変
調信号を前記時分割多重化されたディジタル信号に復調
する復調回路と、前記信号分離回路で分離された前記音
声帯多周波信号を識別する音声帯多周波信号識別回路を
有することを特徴とする信号伝送回路。In a signal transmission circuit that transmits various signals from a transmitting circuit to a receiving circuit using a single signal line, the transmitting circuit
a modulation circuit that modulates a carrier wave with a time division multiplexed digital signal and outputs a modulated signal; a voice band multifrequency signal generation circuit that generates a voice band multifrequency signal; a signal combining circuit that combines signals and sends the combined signal to the single signal line; and the receiving circuit converts the combined signal sent from the single signal line to the modulated signal. a signal separation circuit that separates the signal into the voice band multi-frequency signal; a demodulation circuit that demodulates the modulated signal separated by the signal separation circuit into the time division multiplexed digital signal; A signal transmission circuit comprising a voice band multi-frequency signal identification circuit for identifying the voice band multi-frequency signal that has been transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11429683U JPS6025258U (en) | 1983-07-25 | 1983-07-25 | signal transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11429683U JPS6025258U (en) | 1983-07-25 | 1983-07-25 | signal transmission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6025258U true JPS6025258U (en) | 1985-02-20 |
Family
ID=30264259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11429683U Pending JPS6025258U (en) | 1983-07-25 | 1983-07-25 | signal transmission circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025258U (en) |
-
1983
- 1983-07-25 JP JP11429683U patent/JPS6025258U/en active Pending
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