JPS6037958U - mutual communication system - Google Patents
mutual communication systemInfo
- Publication number
- JPS6037958U JPS6037958U JP4170584U JP4170584U JPS6037958U JP S6037958 U JPS6037958 U JP S6037958U JP 4170584 U JP4170584 U JP 4170584U JP 4170584 U JP4170584 U JP 4170584U JP S6037958 U JPS6037958 U JP S6037958U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- mutual communication
- transmitter
- communication system
- receiving state
- 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
- Transceivers (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication 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図は従来の相互通話システムに使用される送受信機
の構成を示すブロック図、第２図および第３図は第１図
に示した従来の送受信機における相互通話の状態を示す
ための説明図、第４図は本考案による相互通話システム
に係る送受信機の一実施例の構成を示すブロック図、第
５図は本考案の一実施例における相互通話の状態を示す
ための説明図である。
１・・・・・・マイク増幅器、２・・・・・・信号切換
スイッチ、４・・・・・・送信用変圧器、５・・・・・
・電源変圧器、６・・・・・・受信用変圧器、７Ａおよ
び７Ｂ・・・・・・バンドパスフィルタ、８Ａ・・・・
・・受信機、９・・・・・・電力増幅器、１０・・・・
・・受信器オンオフ検出器（１１・・・・・・ゲイン切
換回路、１３・・・・・・トレモロ発振器、２１・・・
・・・送受信機、２２・・・・・・入力切換回路、２３
および２４・・・・・・第１のおよび第２の制御回路。FIG. 1 is a block diagram showing the configuration of a transceiver used in a conventional mutual communication system, and FIGS. 2 and 3 are explanations showing the state of mutual communication in the conventional transceiver shown in FIG. 4 is a block diagram showing the configuration of an embodiment of a transmitter/receiver according to the mutual communication system according to the present invention, and FIG. 5 is an explanatory diagram showing the state of mutual communication in the embodiment of the present invention. . 1...Microphone amplifier, 2...Signal selection switch, 4...Transmission transformer, 5...
・Power transformer, 6...Reception transformer, 7A and 7B...Band pass filter, 8A...
...Receiver, 9...Power amplifier, 10...
...Receiver on/off detector (11... Gain switching circuit, 13... Tremolo oscillator, 21...
...Transmitter/receiver, 22...Input switching circuit, 23
and 24...first and second control circuits.
Claims (1)
つの送受信機により相互通話を行なう相互通話システム
であって、すべての送受信機が待機中のときは周波数ｆ
□ｖ ｆ２で受信状態とし、任意の１つの送受信機が
呼出しを行なったとき、呼出し動作により当該送信機は
周波数ｆ２で送信し、周波数ｆ□で受信状態となると共
に、他の任意の１台がこれに応答するときは応答動作及
び前記呼出し中の送受信機による周波数ｆ２の信号によ
り、周波数ｆ１で送信し、周波数ｆ２で受信状態となる
ようにしたことを特徴とする相互通話システム。Frequency f□, at least 2 that can be transmitted and received by f2
A mutual communication system that performs mutual communication using two transmitters and receivers, and when all transmitters and receivers are on standby, the frequency f
□v When the transmitter is in the receiving state at f2 and any one transmitter/receiver makes a call, the transmitter transmits at frequency f2 due to the calling operation, enters the receiving state at frequency f□, and calls any other transmitter/receiver. When responding to this, the calling transceiver transmits at frequency f1 by means of a response operation and a signal at frequency f2 from the calling transceiver, and enters a receiving state at frequency f2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170584U JPS6037958U (en) | 1984-03-23 | 1984-03-23 | mutual communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170584U JPS6037958U (en) | 1984-03-23 | 1984-03-23 | mutual communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6037958U true JPS6037958U (en) | 1985-03-15 |
Family
ID=30172276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4170584U Pending JPS6037958U (en) | 1984-03-23 | 1984-03-23 | mutual communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037958U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918010U (en) * | 1972-05-19 | 1974-02-15 |
-
1984
- 1984-03-23 JP JP4170584U patent/JPS6037958U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4918010U (en) * | 1972-05-19 | 1974-02-15 |
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