JPH02127822A - In-band signal device - Google Patents
In-band signal deviceInfo
- Publication number
- JPH02127822A JPH02127822A JP28193988A JP28193988A JPH02127822A JP H02127822 A JPH02127822 A JP H02127822A JP 28193988 A JP28193988 A JP 28193988A JP 28193988 A JP28193988 A JP 28193988A JP H02127822 A JPH02127822 A JP H02127822A
- Authority
- JP
- Japan
- Prior art keywords
- oscillators
- controller
- cable equalizer
- signal
- switch
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 230000011664 signaling Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は専用回線においてリンガ−の送受信を行なう帯
域内信号装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an in-band signaling device for transmitting and receiving ringers on a dedicated line.
第２図を参照して以下に従来の構成およびケーブル化器
の設定方法について述べる。この種の帯域内信号装置は
送信部３０と受信部３５とから構成され、加入者線路３
４で接続されている。送信部３０は２つの回線切分は器
３１．３３とリンガ−を送出し通話レベルを調整する為
の送信回路３２より構成されている。また、受信部３５
は２つの回線切分は器３６．４４と加入者線路における
伝送周波数特性を補正する複数のケーブル等化器３８，
３９．４０．４１とそれを切替え設定する為の端子３７
．４２とリンガ−を検出し通話レベルを調整する為の受
信回路４３より構成されている。The conventional configuration and setting method of the cable converter will be described below with reference to FIG. This type of in-band signaling device is composed of a transmitting section 30 and a receiving section 35, and the subscriber line 3
Connected by 4. The transmitting section 30 is comprised of two line cutters 31 and 33 and a transmitting circuit 32 for sending out a ringer and adjusting the speech level. In addition, the receiving section 35
includes two line separators 36 and 44 and a plurality of cable equalizers 38 for correcting the transmission frequency characteristics in the subscriber line.
39.40.41 and terminal 37 for switching and setting them.
．． 42 and a receiving circuit 43 for detecting a ringer and adjusting the speech level.
ケーブル笠１ヒ器の設定においては、発振器としベル計
とを準備し、回線切分は器３３に発振器を、かつ回線切
分は器３６にレベル計を接続する６発振器の出力レベル
を一定にして出力周波数を変化させ、その値をレベル計
で読み取り、加入者線路の伝送周波数特性を測定する。In setting the cable shade 1, prepare an oscillator and a bell meter, and keep the output level of the 6 oscillators constant, connecting the oscillator to the device 33 for line disconnection and the level meter to the device 36 for line disconnection. to change the output frequency, read the value with a level meter, and measure the transmission frequency characteristics of the subscriber line.
その後、上記特性に最も適したケーブル等化器を選択し
、切替え端子を使用してそれを設定する。Then select the cable equalizer that best suits the above characteristics and set it using the switching terminals.
上述した従来の帯域内信号装置は、据え付は時に送信側
と受信側に人が待機し、発振器とレベル計を準備し、伝
送周波数特性を測定し、それに基づきケーブル等化器を
選択設定しなければならない。また、予め準備したケー
ブル等化器の特性が必ずしも最適値とはならない場合が
ある。さらに、複数のケーブル等化器を準備しておくこ
とは経済的にも実装空間においても無駄である。When installing the conventional in-band signal equipment described above, people are sometimes on standby at the transmitting and receiving sides, prepare an oscillator and level meter, measure the transmission frequency characteristics, and select and set the cable equalizer based on that. There must be. Further, the characteristics of a cable equalizer prepared in advance may not necessarily have the optimum values. Furthermore, preparing multiple cable equalizers is wasteful both economically and in terms of mounting space.
し課題を解決するための手段〕
本発明は０．３〜３．４ＫＨｚの音声帯域を使用してリ
ンガ−の送受信を行なう帯域内信号装置において、送信
側には周波数の異なる２個の発振器と、これらの発振器
からの２周波信号と音声信号とを入力とする切替器と、
この切替器を制御する制御器と、この制御器を指示する
指示器と、前記音声信号及び前記２周波信号を伝送する
送信回路とを設け、受信側にはアナログ・ディジタル変
換器と、減衰器と、ケーブル等化器と、前記減衰器及び
前記ケーブル等化器を切替設定する切替器と、前記２周
波信号の周波数成分抽出器と、レベル調整器と、整流器
と、前記整流器の出力を入力とする制御器とを設けた構
成である。[Means for Solving the Problems] The present invention provides an in-band signal device for transmitting and receiving a ringer using the audio band of 0.3 to 3.4 KHz. , a switching device which inputs the two-frequency signal and the audio signal from these oscillators;
A controller for controlling this switch, an indicator for instructing this controller, and a transmitting circuit for transmitting the audio signal and the two-frequency signal are provided, and the receiving side includes an analog-to-digital converter and an attenuator. , a cable equalizer, a switch for switching and setting the attenuator and the cable equalizer, a frequency component extractor for the two-frequency signal, a level adjuster, a rectifier, and an input of the output of the rectifier. This configuration includes a controller.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
一実施例を示す第１図を参′照すると、帯域内信号装置
は送信部１と受信部１１とから構成され、これらは加入
者線路１０で接続されている。送信部１は２つの回線切
分は器５，７と、リンガ−用発振器２，３と、通話レベ
ルを調整する為の送信回路６と、発振器２．３と回線切
分は器５とから入ってくる入力信号を切替える為の切替
器４と、受信側のケーブル等化器の自動設定を起動させ
る為の指示器つと、切替器４の制御を行なう制御器８と
より構成されている。また、受信部１１は２つの回線切
分は器１２．１９と、受信されたアナログ信号をディジ
タル信号に変換するアナログ・ディジタル（Ａ／Ｄ）変
換器１３と、加入者線路における伝送周波数特性を測定
する場合に使用する減衰器１５と、ケーブル等化器１６
と、それらを切替える為の切替器１４と、発振器２．３
の周波数成分を抽出、レベル調整および整流を行なう周
波数１成分抽出器２０および周波数２成分抽出器２３．
レベル調整器２１．２４および整流器２２．２５と、両
差流器の出力を印加する関数発生器を内蔵した制御器２
６と、受信側の通話レベルを調整する為の受信回路１７
と、その出力をアナログ信号に変換する為のディジタル
・アナログ（Ｄ／Ａ）変換回路１７とより構成されてい
る。Referring to FIG. 1, which shows one embodiment, the in-band signaling device is composed of a transmitting section 1 and a receiving section 11, which are connected by a subscriber line 10. The transmitter 1 consists of two line disconnectors 5 and 7, ringer oscillators 2 and 3, a transmitter circuit 6 for adjusting the speech level, an oscillator 2.3, and a line disconnector 5. It is comprised of a switch 4 for switching an incoming input signal, an indicator for starting automatic setting of a cable equalizer on the receiving side, and a controller 8 for controlling the switch 4. The receiving unit 11 also includes two line separators 12 and 19, an analog-to-digital (A/D) converter 13 that converts the received analog signal into a digital signal, and an analog/digital (A/D) converter 13 that converts the received analog signal into a digital signal. Attenuator 15 and cable equalizer 16 used for measurement
, a switch 14 for switching them, and an oscillator 2.3
A frequency 1 component extractor 20 and a frequency 2 component extractor 23 . extract, level adjust and rectify the frequency components of .
Controller 2 that includes a level adjuster 21.24, a rectifier 22.25, and a function generator that applies the outputs of both current differencers.
6, and a receiving circuit 17 for adjusting the call level on the receiving side.
and a digital/analog (D/A) conversion circuit 17 for converting the output into an analog signal.
ケーブル等化器の自動設定および最適化について以下に
述べる。送信側にて指示３９に指示すると、それにより
制御器８から切替器４へ発振器２．３の出力を回線切分
は器７より送出されるように動作する。この信号は加入
者線路を通って受信側に届く。受信された２周波信号は
Ａ 、’ Ｄ変換された後、減衰器１５を通り周波数１
および２成分抽出器、レベル調整器、整流器を通り制御
器２６へ印加される。整流出力値により制御器内に準備
された関数発生器によりケーブル等化器の伝達関数を発
生させ、ケーブル等化器１６を構成する。The automatic setting and optimization of the cable equalizer is described below. When the transmitting side instructs the instruction 39, the controller 8 operates to send the output of the oscillator 2.3 to the switch 4 from the line disconnector 7. This signal reaches the receiver through the subscriber line. After the received two-frequency signal is converted into A and 'D, it passes through an attenuator 15 and has a frequency of 1.
The signal is applied to the controller 26 through a two-component extractor, a level adjuster, and a rectifier. Using the rectified output value, a function generator prepared in the controller generates a transfer function for the cable equalizer, thereby configuring the cable equalizer 16.
以上説明したように本発明によれば、送信側より２つの
発振器を使用して送出された２周波信号を受信側で検出
し、その値によりケーブル等化器の伝達関数を発生させ
ることにより、ケーブル等化器の選択設定の自動化・最
適化および経済性を向上させることができる。As explained above, according to the present invention, the receiving side detects a two-frequency signal sent from the transmitting side using two oscillators, and the transfer function of the cable equalizer is generated based on the detected value. It is possible to automate, optimize, and improve the economic efficiency of cable equalizer selection settings.
第１図は本発明による帯域内信号装置の一実施例を示す
構成図、第２図は従来技術による帯域内信号装置の一例
を示す構成図である。
１・・・帯域内信号装置送信部、２・・・発振器、３・
・・発振器、４・・・切替器、５．７・・・回線切分は
器、６・・送信回路、８・・・制御器、９・・・指示器
、１０・・・加入者線路、１１・・・帯域内信号装置受
信部、１２゜１つ・・・回線切分は器、１３・・・Ａ／
Ｄ変換器、１４・・・切替器、１５・・・減衰器、１６
・・・ケーブル等化器、１７・・・受信回路、１８・・
・Ｄ／Ａ変換器、２０・・周波数１成分抽出器、２１・
・・レベル調整器、２２・・・整流器、２３・・・周波
数２成分抽出器、２４レベル調整器、２５・・・整流器
、２６・・・制御器。FIG. 1 is a block diagram showing an embodiment of an in-band signal device according to the present invention, and FIG. 2 is a block diagram showing an example of an in-band signal device according to the prior art. DESCRIPTION OF SYMBOLS 1... In-band signal device transmission section, 2... Oscillator, 3...
... Oscillator, 4... Switching device, 5.7... Line disconnector, 6... Transmission circuit, 8... Controller, 9... Indicator, 10... Subscriber line , 11... In-band signal device receiving section, 12゜ one... line disconnection device, 13... A/
D converter, 14... Switcher, 15... Attenuator, 16
...Cable equalizer, 17...Receiving circuit, 18...
・D/A converter, 20 ・Frequency 1 component extractor, 21 ・
...Level adjuster, 22... Rectifier, 23... Frequency two component extractor, 24 Level adjuster, 25... Rectifier, 26... Controller.
Claims (1)
送受信を行なう帯域内信号装置において、送信側には周
波数の異なる２個の発振器と、これらの発振器からの２
周波信号と音声信号とを入力とする切替器と、この切替
器を制御する制御器と、この制御器を指示する指示器と
、前記音声信号及び前記２周波信号を伝送する送信回路
とを設け、受信側にはアナログ・ディジタル変換器と、
減衰器と、ケーブル等化器と、前記減衰器及び前記ケー
ブル等化器を切替設定する切替器と、前記２周波信号の
周波数成分抽出器と、レベル調整器と、整流器と、前記
整流器の出力を入力とする制御器とを設けたことを特徴
とする帯域内信号装置。In an in-band signal device that transmits and receives a ringer using the audio band of 0.3 to 3.4 KHz, the transmitting side has two oscillators with different frequencies and two oscillators from these oscillators.
A switching device that inputs a frequency signal and an audio signal, a controller that controls this switching device, an indicator that instructs this controller, and a transmitting circuit that transmits the audio signal and the two-frequency signal are provided. , an analog-to-digital converter on the receiving side,
an attenuator, a cable equalizer, a switch for switching and setting the attenuator and the cable equalizer, a frequency component extractor for the two-frequency signal, a level adjuster, a rectifier, and an output of the rectifier. What is claimed is: 1. An in-band signal device comprising: a controller having an input of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28193988A JPH0638587B2 (en) | 1988-11-07 | 1988-11-07 | In-band signaling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28193988A JPH0638587B2 (en) | 1988-11-07 | 1988-11-07 | In-band signaling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02127822A true JPH02127822A (en) | 1990-05-16 |
| JPH0638587B2 JPH0638587B2 (en) | 1994-05-18 |
Family
ID=17646026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28193988A Expired - Lifetime JPH0638587B2 (en) | 1988-11-07 | 1988-11-07 | In-band signaling device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638587B2 (en) |
-
1988
- 1988-11-07 JP JP28193988A patent/JPH0638587B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638587B2 (en) | 1994-05-18 |
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