JPH03209933A - Signal system for radiotelephony system - Google Patents
Signal system for radiotelephony systemInfo
- Publication number
- JPH03209933A JPH03209933A JP357590A JP357590A JPH03209933A JP H03209933 A JPH03209933 A JP H03209933A JP 357590 A JP357590 A JP 357590A JP 357590 A JP357590 A JP 357590A JP H03209933 A JPH03209933 A JP H03209933A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- tone
- tone signal
- exchange
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は無線電話装置の信号方式に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a signaling system for a radio telephone device.
従来の単一無線回線を使用する無線電話装置において、
応答、復旧等の信号は帯域内信号を使用しているため、
使用者も可聴でき耳ざわりになるという問題点があった
。In radiotelephone equipment that uses a conventional single radio line,
Response, recovery, etc. signals use in-band signals, so
There was a problem in that the user could also hear the sound and it was unpleasant to the ears.
本発明は、信号送出側の無線電話装置にトーン信号発生
回路を、信号受信側の無線電話装置にトン信号検出回路
とスイッチ・フィルタ回路を付加し、帯域内信号送出時
に低周波のトーン信号を合せて送出することにより、信
号受信側の通話路を切断し、使用者が帯域内信号を可聴
できないようにしたものである。The present invention adds a tone signal generation circuit to the radio telephone device on the signal sending side, a tone signal detection circuit and a switch filter circuit to the radio telephone device on the signal receiving side, and generates a low frequency tone signal when transmitting an in-band signal. By transmitting the signals at the same time, the communication path on the signal receiving side is cut off, making it impossible for the user to hear the in-band signals.
従来の無線電話装置の構成を第２図に示す。１は交換機
、２は交換機のＯＤ（帯域外）信号を送受信するＯＤイ
ンターンエイス、３，１０は選択呼出信号を送受信する
信号送受信回路、６，７は単一回線無線機、８は交換機
・無線機の４線式通話路を電話機の２線式通話路に変換
する２線４線変喚回路、１１は電話機１３呼出時に発呼
者に呼出音を可聴させるための呼出音発生回路、１２は
電話機を呼出し応答を検出するための呼出信号発生・応
答検出回路、１３は電話機である。ここで。The configuration of a conventional wireless telephone device is shown in FIG. 1 is an exchange, 2 is an OD intern Ace that transmits and receives OD (out-of-band) signals from the exchange, 3 and 10 are signal transmitting and receiving circuits that transmit and receive selective call signals, 6 and 7 are single-line radios, and 8 is an exchange/radio 11 is a 2-4 wire conversion circuit that converts the 4-wire communication path of the machine into a 2-wire communication path of the telephone; 11 is a ring tone generating circuit for making the caller hear the ring tone when the telephone 13 is ringing; 12 is a ring tone generation circuit; A calling signal generation/response detection circuit 13 is a telephone for calling the telephone and detecting a response. here.
１〜６は発呼側、７〜１３は着呼側とづ−る。1 to 6 are the calling side, and 7 to 13 are the called side.
次に、交換機１から電話機１３を呼出す手順について示
す。交換機１からの発呼をＯＤインターフェイス２で検
出すると信号送受回路３を使用して選択呼出信号を送出
させる。この信号は、無線機６，７および２線４線変換
回路８を経由し、信号送受回路１０に受信される。信号
送受回路１０は、呼出音発生回路１１を動作させて１発
呼者に向けて呼出音を送出させるとともに、呼出信号発
生・応答検出回路１２を動作させて電話機１３を呼出す
。電話機１３が応答すると、呼出信号発生応答検出回路
１２が検出し、信号送受回路１０を使用して応答信号を
送出させる。この信号は、２線４線変換回路８および無
線機７，６を経由し。Next, the procedure for calling the telephone 13 from the exchange 1 will be described. When the OD interface 2 detects a call from the exchange 1, the signal transmitting/receiving circuit 3 is used to send a selective calling signal. This signal is received by the signal transmitting/receiving circuit 10 via the radios 6 and 7 and the 2-wire/4-wire conversion circuit 8. The signal transmitting/receiving circuit 10 operates a ringing tone generating circuit 11 to send a ringing tone to one calling party, and also operates a ringing signal generating/response detecting circuit 12 to ring the telephone 13. When the telephone 13 responds, the calling signal generation response detection circuit 12 detects it, and causes the signal transmission/reception circuit 10 to send out a response signal. This signal passes through the 2-wire/4-wire conversion circuit 8 and the radios 7 and 6.
信号送受回路３に受信される。信号送受回路３はＯＤイ
ンターンェイス回路２を動作させて交換機１に応答信号
を送出する。The signal is received by the signal transmitting/receiving circuit 3. The signal transmitting/receiving circuit 3 operates the OD interface circuit 2 and sends a response signal to the exchange 1.
前述の従来技術には、呼出・応答・復旧等の制御信号に
帯域内信号を使用しているため、使用者も可聴でき耳ざ
わりになるという問題点があった。The above-mentioned prior art uses in-band signals for control signals such as calling, answering, restoring, etc., so there is a problem in that the signals can be heard by the user and become jarring.
本発明は、上記問題点を解決１−ることを目的とする０
〔課題を解決するための手段〕
本発明は上記の目的を達成するため、制御信号送出側の
無線電話装置にトーン信号発生回路を。The present invention aims to solve the above-mentioned problems. [Means for Solving the Problems] In order to achieve the above-mentioned objects, the present invention generates a tone signal in a wireless telephone device on the control signal sending side. circuit.
制御信号受信側の無線電話装置にトーン信号検出回路と
スイッチ・フィルタ回路を付加し、制御信号送出時に、
低周波のトーン信号を合せて送出し。A tone signal detection circuit and a switch/filter circuit are added to the radio telephone device on the control signal receiving side, and when sending control signals,
Sends out a low frequency tone signal as well.
信号受信側でトーン信号を検出し、検出信号によってス
イッチフィルタ回路を動作させて、信号受信側の通話路
を切断するようにしたものである。A tone signal is detected on the signal receiving side, and the detection signal operates a switch filter circuit to cut off the communication path on the signal receiving side.
その結果、応答、復旧等に用いる制御信号を使用者が可
聴できないようにすることができる。As a result, control signals used for response, recovery, etc. can be made inaudible to the user.
以下、この発明の一実施例を第１図により説明する。交
換機１．ＯＤインターフェイス２．信号送受回路３．無
線機６． ７． ２線４線変換回路８゜信号送受回路１
０．呼出音発生回路１１．呼出信号発生・応答検出回路
１２．電話機］３は従来と同様である。５は制御信号受
信時に通話路を切断するとともに、トーン信号を交換機
へ送出しないようにするスイッチ・フィルタ回路、４は
制御信号受信側でトーン信号を検出する信号検出回路、
９はトーン信号を送出する信号送出回路である。An embodiment of the present invention will be described below with reference to FIG. Switchboard 1. OD interface 2. Signal transmission/reception circuit 3. Radio 6. 7. 2-wire 4-wire conversion circuit 8° signal transmission/reception circuit 1
0. Ringing tone generation circuit 11. Calling signal generation/response detection circuit 12. Telephone] 3 is the same as the conventional one. 5 is a switch/filter circuit that disconnects the communication path when receiving the control signal and prevents the tone signal from being sent to the exchange; 4 is a signal detection circuit that detects the tone signal on the control signal receiving side;
9 is a signal sending circuit that sends out a tone signal.
ここで、交換機１から電話機１３を呼出す手順について
示す。電話機１３を呼出すまでは従来と同様である。電
話機１３が応答すると、呼出信号発生・応答検出回路１
２が検出し、信号送出回路９を使用してトーン信号を発
生させる。このトーン信号は、信号検出回路４で検出さ
れ、スイッチ・フィルタ５を動作させて通話路を切断さ
せる。Here, the procedure for calling the telephone 13 from the exchange 1 will be described. The process until the telephone 13 is called is the same as the conventional one. When the telephone 13 answers, the ringing signal generation/response detection circuit 1
2 detects and generates a tone signal using the signal sending circuit 9. This tone signal is detected by the signal detection circuit 4 and operates the switch filter 5 to disconnect the communication path.
次に、呼出信号発生・応答検出回路１２は信号送受回路
１０を使用して応答信号を送出させる。この信号は、２
線／ｌ＆！変換回路８および無線機７゜６を経由し、信
号送受回路３に受信される。信号送受回路３はＯＤイン
ターフェイス回路２を動作させて、交換機１に応答信号
を送出させる。次に呼出信号発生、応答検出回路１２は
信号送出回路９からトーン信号を発生させるのを終了す
る。このため、信号検出回路４はトーン信号を検出しな
くなり、スイッチフィルタ５を動作させて通話路を接続
する。Next, the calling signal generation/response detection circuit 12 uses the signal transmitting/receiving circuit 10 to transmit a response signal. This signal is 2
Line/l&! The signal is received by the signal transmitting/receiving circuit 3 via the conversion circuit 8 and the radio device 7°6. The signal transmitting/receiving circuit 3 operates the OD interface circuit 2 to cause the exchange 1 to send a response signal. Next, the ringing signal generation and response detection circuit 12 finishes generating the tone signal from the signal sending circuit 9. Therefore, the signal detection circuit 4 no longer detects the tone signal and operates the switch filter 5 to connect the communication path.
本発明によれば、制御信号送出側の無線電話装置にトー
ン信号発生回路を、制御信号受信側の無線電話装置にト
ーン信号検出回路とスイッチ・フィルタ回路を付加し、
制御信号送出時に１氏周波のトーン信号を合せて送出す
ることにより、信号受信側の通話路を切断することによ
り、使用者が制御信号を可聴することを防止することが
できる。According to the present invention, a tone signal generation circuit is added to the radio telephone device on the control signal sending side, a tone signal detection circuit and a switch filter circuit are added to the radio telephone device on the control signal receiving side,
By simultaneously transmitting a 1 degree frequency tone signal when transmitting the control signal, the communication path on the signal receiving side is cut off, thereby preventing the user from hearing the control signal.
第１図は本発明の一実施例のブロック図、第２図は従来
例のブロック図を示す。
ｌ：交換機、２：ＯＤインターフェイス、３：信号送受
回路、４：信号検出回路、５：スイッチフィルタ、６：
無線機、７：無線機、８：２線４線変換回路、９：信号
送出回路、１０：信号送受信回路、１１：呼出音発生回
路、１２：呼出信号発生・応答検出回路、１３：電話機
。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. l: exchange, 2: OD interface, 3: signal transmission/reception circuit, 4: signal detection circuit, 5: switch filter, 6:
Radio device, 7: Radio device, 8: 2-wire 4-wire conversion circuit, 9: Signal sending circuit, 10: Signal transmitting/receiving circuit, 11: Ringing tone generation circuit, 12: Ringing signal generation/response detection circuit, 13: Telephone set.
Claims (1)
接続し、両無線機間を単一無線回線で接続し、制御信号
に帯域内信号を使用する無線電話装置において、制御信
号送出側にトーン信号発生回路を、制御信号受信側にト
ーン信号検出回路およびスイッチ・フィルタ回路を付加
し、制御信号送出時に、制御信号送出側からトーン信号
を送出し、制御信号受信側で該トーン信号を検出して上
記スイッチ・フィルタ回路を駆動し、通話路を切断する
ことにより、使用者に制御信号が可聴できないようにし
たことを特徴とする無線電話装置の信号方式。1. Control signal transmission in wireless telephone equipment that connects a switch to one radio, a telephone to the other, connects both radios with a single radio line, and uses in-band signals for control signals. A tone signal generation circuit is added to the control signal receiving side, and a tone signal detection circuit and a switch filter circuit are added to the control signal receiving side. 1. A signal system for a wireless telephone device, characterized in that the control signal is made inaudible to the user by detecting the signal, driving the switch filter circuit, and cutting off the communication path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP357590A JPH03209933A (en) | 1990-01-12 | 1990-01-12 | Signal system for radiotelephony system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP357590A JPH03209933A (en) | 1990-01-12 | 1990-01-12 | Signal system for radiotelephony system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03209933A true JPH03209933A (en) | 1991-09-12 |
Family
ID=11561253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP357590A Pending JPH03209933A (en) | 1990-01-12 | 1990-01-12 | Signal system for radiotelephony system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03209933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010038944A1 (en) | 2009-08-07 | 2011-03-03 | Denso Corporation, Kariya-City | Light control device for vehicles |
-
1990
- 1990-01-12 JP JP357590A patent/JPH03209933A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010038944A1 (en) | 2009-08-07 | 2011-03-03 | Denso Corporation, Kariya-City | Light control device for vehicles |
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