JPH04183023A - Fm radio communication system - Google Patents
Fm radio communication systemInfo
- Publication number
- JPH04183023A JPH04183023A JP31151190A JP31151190A JPH04183023A JP H04183023 A JPH04183023 A JP H04183023A JP 31151190 A JP31151190 A JP 31151190A JP 31151190 A JP31151190 A JP 31151190A JP H04183023 A JPH04183023 A JP H04183023A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- tone
- control
- control signal
- 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
- 238000004891 communication Methods 0.000 title claims description 8
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000005236 sound signal Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ＦＭ無線電話装置の通信方式に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a communication method for an FM radio telephone device.
ＦＭ無線電話装置を使用して、それに接続される装置を
制御する場合に制御方式としてデジタル伝送方式が使用
される。本伝送方式では、データ信号送出回路及びデー
タ信号解読回路を必要とし構成が複雑で高価となり２又
、符号信号を構成するビット同期、ワード同期時間分信
号処理に時間がかかる。When an FM radio telephone device is used to control devices connected to it, a digital transmission method is used as a control method. This transmission method requires a data signal sending circuit and a data signal decoding circuit, resulting in a complicated and expensive structure.Also, it takes time for signal processing to correspond to the bit synchronization and word synchronization time that constitute the code signal.
本発明は、制御信号として単一周波数を使用し制御信号
送出時は制御信号１波を送出し、マイク通話時はマイク
信号とトーン信号の重畳信号を送出し、受信側において
マイク通話時制御信号検出回路が音声信号により動作す
るため、マイク信号と同時に送出されるトーン信号受信
出力で制御信号出力がトーン受信中は出力されないよう
制御させることで、データ信号送出回路とデータ信号解
読回路を使用せずＦＭ無線電話装置に接続される装置を
制御するものである。The present invention uses a single frequency as a control signal, and when sending out a control signal, it sends out one wave of the control signal, and when talking with a microphone, it sends out a superimposed signal of a microphone signal and a tone signal, and on the receiving side, when talking with a microphone, the control signal is sent out. Since the detection circuit is operated by audio signals, by controlling the tone signal reception output that is sent out at the same time as the microphone signal so that the control signal output is not output while the tone is being received, the data signal transmission circuit and data signal decoding circuit can be used. First, it controls the devices connected to the FM radio telephone device.
ＦＭ無線電話装置を使用してマイク通話とＦＭ無線電話
装置に接続される装置を制御させる場合デジタルデータ
信号方式が使用されている。Digital data signaling is used when an FM radiotelephone is used to make microphone calls and control devices connected to the FM radiotelephone.
第２図は従来の構成を示すものである。以下本構成につ
いて説明する。FIG. 2 shows a conventional configuration. This configuration will be explained below.
無線機を送信状態にすると１１のデータ信号送出回路よ
りデータ信号が送出され、６の信号切替器はデータ信号
送出側に切替されデータ信号は３のＦＭ送信部、２のア
ンテナスイッチ回路（ＡＮＴスイッチ）、１のアンテナ
端子を通りアンテナよりＦＭ電波として送出される。Ｆ
Ｍ電波は対向＃ＦＭＦＭ無線電話装置ンテナ端子１に入
力さｔアンテナスイッチ回路２を通り４のＦ Ｍ受信部
で復調され、１２のデータ信号検出回路と１３のデータ
信号解読回路でデータ解読され、１４のデータ制御出力
端子に出力される。データ信号が送出されると６の信号
切替器が１ｏのマイク入力端子側に切替制御されマイク
通話が可能となる。When the radio device is put into the transmitting state, a data signal is sent out from the data signal sending circuit 11, the signal switch 6 is switched to the data signal sending side, and the data signal is sent to the FM transmitter 3 and the antenna switch circuit 2 (ANT switch). ), it passes through the antenna terminal of 1 and is sent out as an FM radio wave from the antenna. F
The M radio wave is input to the antenna terminal 1 of the opposite #FMFM wireless telephone device, passes through the antenna switch circuit 2, is demodulated by the FM receiver section 4, and is decoded by the data signal detection circuit 12 and the data signal decoding circuit 13. 14 data control output terminals. When the data signal is sent out, the signal switch 6 is switched to the microphone input terminal 1o to enable microphone communication.
なお、データ制御出力端子１４の後には時計等の計測器
を設け、データ信号送出回路１１からの信号を読みとる
システムとすることができる。Note that a measuring device such as a clock may be provided after the data control output terminal 14 to read the signal from the data signal sending circuit 11.
本発明は、上記の欠点を解決するため、データ信号送出
回路、データ信号解読回路を使用せず。In order to solve the above-mentioned drawbacks, the present invention does not use a data signal sending circuit or a data signal decoding circuit.
制御信号として音声信号帯域の１波を使用し、音声通話
時は音声信号とトーン信号を送出し受信側で音声通話時
制御信号検出回路出力が音声信号で動作するので、トー
ン信号受信出力で制御信号検出が出力されないよう制御
する。One wave of the audio signal band is used as a control signal, and during a voice call, the voice signal and tone signal are sent out. On the receiving side, the control signal detection circuit output during a voice call operates with the audio signal, so it is controlled by the tone signal reception output. Control so that signal detection is not output.
制御信号として音声の帯域内周波数を使用すると２音声
通話時制御信号検出回路の出力が音声通話時音声信号の
中に制御信号と同一周波数がある場合、動作する。本対
策のため音声信号送出時にはトーン信号を同時に送出し
て、受信側でトーン信号がある場合、制御信号検出回路
が出力されないよう制御する。When the in-band frequency of voice is used as the control signal, the output of the control signal detection circuit during two-voice communication will operate if the same frequency as the control signal is present in the voice signal during voice communication. As a countermeasure, a tone signal is simultaneously sent out when an audio signal is sent out, and if there is a tone signal on the receiving side, the control signal detection circuit is controlled so that it is not output.
第１図は本発明のブロック図を示すものであり以下この
動作について説明する。FIG. 1 shows a block diagram of the present invention, and its operation will be explained below.
無線機を送信状態にすると１６の制御信号発生器よりは
一周波数の制御信号が送出され、６の信号切替器が１６
の制御信号発生器側に切替えられ。When the radio is set to transmit mode, the 16 control signal generators send out a control signal of one frequency, and the 6 signal switchers
The control signal generator is switched to the side.
３のＦ Ｍ送信部、２のアンテナスイッチ回路、１のア
ンテナ端子を通りアンテナよりＦＭ電波として送出され
る。ＦＭ電波は対向側ＦＭ無線電話装置のアンテナ端子
１に入力され、アンテナスイッチ回路２を通り４のＦＭ
受信部で復調され、１２のデータ信号検出回路で制御信
号発生回路１６の周波数が信号検出される制御出力とな
り、１５のスイッチ回路を通り１４のデータ制御出力端
子に出力される。制御信号送出後、６の信号切替回路は
１０のマイク入力端子側に切替えられ、音声通話を可能
とする。マイクをプレス制御すると５のトーンスケルチ
回路がトーン信号を送出し、マイク信号は１０のマイク
入力端子に入力されＦＭ電波として送出される。音声信
号の受信はアンテナ端子１に入力され、アンテナスイッ
チ２．ＦＭ受信部４で復調され、トーン信号はトーンス
ケルチ４回路５で受信検出され、スイッチ回路７が「閉
」となり音声電力増幅回路８よりスピーカ９を駆動する
。音声信号受信時はデータ信号検出回路１２が音声信号
に動作するため、トーンスケルチ回路５の出力でスイッ
チ回路１５を閉し、トーン信号受信中はデータ制御出力
端子１４に制御出力が出力されないよう制御されている
。The signal passes through the FM transmitter section 3, the antenna switch circuit 2, and the antenna terminal 1, and is sent out as an FM radio wave from the antenna. The FM radio wave is input to the antenna terminal 1 of the FM radio telephone device on the opposite side, passes through the antenna switch circuit 2, and is sent to FM 4.
It is demodulated in the receiving section, becomes a control output whose signal is detected by the frequency of the control signal generation circuit 16 in 12 data signal detection circuits, and is outputted to 14 data control output terminals through 15 switch circuits. After sending out the control signal, the signal switching circuit 6 is switched to the microphone input terminal 10 to enable voice communication. When the microphone is press-controlled, the tone squelch circuit 5 sends out a tone signal, and the microphone signal is input to the microphone input terminal 10 and sent out as an FM radio wave. The reception of the audio signal is input to the antenna terminal 1, and the antenna switch 2. The tone signal is demodulated by the FM receiver 4, received and detected by the tone squelch 4 circuit 5, the switch circuit 7 is closed, and the audio power amplifier circuit 8 drives the speaker 9. When receiving a voice signal, the data signal detection circuit 12 operates on the voice signal, so the switch circuit 15 is closed by the output of the tone squelch circuit 5, and the control output is controlled not to be output to the data control output terminal 14 while the tone signal is being received. ing.
本発明によれば、データ信号送出回路、データ信号解読
回路を使用せずＦＭ無線電話装置に接続される装置を制
御することができる。According to the present invention, it is possible to control a device connected to an FM radio telephone device without using a data signal sending circuit or a data signal decoding circuit.
【図面の簡単な説明】
第２図は従来の構成を示すブロック図で１はアンテナ端
子、２はアンテナスイッチ回路、３はＦＭ送信部、４は
Ｆ Ｍ受信部、５はトーンスケルチ回路、６は信号切替
回路、７はスイッチ回路、８は音声電力増幅回路、９は
スピーカ、１０はマイク入力端子、１１はデータ信号送
出回路、１２はデータ信号検出回路、１３はデータ信号
解読回路。
１４はデータ制御出力端子である。
第１図は本発明の構成を示すブロック図で１〜１３まで
は従来の構成と同一である１４は制御信号発振回路、１
５はスイッチ回路である。
、−７７゜
代理人 弁理士 小川勝馬’ｉＬ６“第１図
第２図
、、３ ６’ １０[Brief Description of the Drawings] Fig. 2 is a block diagram showing a conventional configuration, where 1 is an antenna terminal, 2 is an antenna switch circuit, 3 is an FM transmitter, 4 is an FM receiver, 5 is a tone squelch circuit, and 6 is a A signal switching circuit, 7 a switch circuit, 8 an audio power amplifier circuit, 9 a speaker, 10 a microphone input terminal, 11 a data signal sending circuit, 12 a data signal detection circuit, and 13 a data signal decoding circuit. 14 is a data control output terminal. FIG. 1 is a block diagram showing the configuration of the present invention. 1 to 13 are the same as the conventional configuration. 14 is a control signal oscillation circuit;
5 is a switch circuit. , -77゜Representative Patent Attorney Katsuma Ogawa'iL6"Figure 1Figure 2,,3 6' 10
Claims (1)
れる機器を制御するシステムにおいて、送信部に制御信
号として音声帯域内信号を使用した制御信号発振回路と
受信部に本信号を受信するデータ信号検出回路を付加し
、制御信号を送出する時はトーン信号は重畳せず制御信
号のみ送出し、マイク通話時は音声信号とトーン信号を
重畳させ、送出させるか又はこの逆となるよう送出し、
受信側においてマイク通話時は受信トーン回路出力をデ
ータ信号検出回路に接続しデータ信号検出回路が出力さ
れないよう制御することを特徴とするＦＭ無線通信方式
。1. In a system that uses an FM wireless communication device with a tone and controls equipment connected to it, the transmitter has a control signal oscillation circuit that uses an audio band signal as a control signal, and the receiver has data for receiving this signal. A signal detection circuit is added, and when sending out a control signal, only the control signal is sent out without superimposing the tone signal, and when talking with a microphone, the voice signal and tone signal are superimposed and sent out, or vice versa. ,
An FM radio communication system characterized by connecting the output of a reception tone circuit to a data signal detection circuit and controlling the data signal detection circuit so that it is not output during a microphone call on the receiving side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31151190A JPH04183023A (en) | 1990-11-19 | 1990-11-19 | Fm radio communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31151190A JPH04183023A (en) | 1990-11-19 | 1990-11-19 | Fm radio communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04183023A true JPH04183023A (en) | 1992-06-30 |
Family
ID=18018116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31151190A Pending JPH04183023A (en) | 1990-11-19 | 1990-11-19 | Fm radio communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04183023A (en) |
-
1990
- 1990-11-19 JP JP31151190A patent/JPH04183023A/en active Pending
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