JPS5836060A - Power supply system of electronic key telephone set - Google Patents
Power supply system of electronic key telephone setInfo
- Publication number
- JPS5836060A JPS5836060A JP56133539A JP13353981A JPS5836060A JP S5836060 A JPS5836060 A JP S5836060A JP 56133539 A JP56133539 A JP 56133539A JP 13353981 A JP13353981 A JP 13353981A JP S5836060 A JPS5836060 A JP S5836060A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- main device
- circuit
- telephone
- telephone set
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
Abstract
Description
【発明の詳細な説明】
本発明は電子式ボタン電話装置の電源供給方式に関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power supply system for an electronic key telephone device.
従来の２対ケ一ブル配ρ鍵方式の電子式ボタン電話装置
では１対をアナログ可聴１５号の伝送に使用し、他の１
対をディジタル信号の伝送と電源供給に使用していた。In the conventional two-pair electronic key telephone system, one pair is used to transmit analog audible 15 signals, and the other one is
The pair was used for transmitting digital signals and supplying power.
すなわち電源にディジタル信号を重畳していた。このた
めディジタル信号の伝送に対して電源回路が影響を与え
、これが主装置ａと電話機間の線路長を十分に延げせな
い主原因となっていた。In other words, a digital signal was superimposed on the power supply. For this reason, the power supply circuit affects the transmission of digital signals, and this is the main reason why the line length between the main device a and the telephone cannot be sufficiently extended.
第１図は電子式ボタン電話装置の従来の電源供給方式の
構成図を示す。図に於いて１は主装置の対電話機インタ
ーフェース回路、２は電話機、３は配線ケーブルの１対
（音声信号路）、４は配線ケーブルの１対（ディジタル
信号路）、５は音声信号端子、６はデータ送受信回路、
７は通話電流供給回路、８は電源供給回路、９はフック
スイッチを含む通話回路、１０は送受器、１１はデータ
送受信回路、１２は受電回路である。FIG. 1 shows a configuration diagram of a conventional power supply system for an electronic key telephone device. In the figure, 1 is a telephone interface circuit of the main device, 2 is a telephone, 3 is a pair of wiring cables (audio signal path), 4 is a pair of wiring cables (digital signal path), 5 is an audio signal terminal, 6 is a data transmission/reception circuit;
7 is a communication current supply circuit, 8 is a power supply circuit, 9 is a communication circuit including a hook switch, 10 is a handset, 11 is a data transmitting/receiving circuit, and 12 is a power receiving circuit.
第１図において音声信号はスイッチ回路に淡続された音
声信号端子５より配線ケーブル３を通じて電話機２の通
話回路９に伝達される。電話機通話回路への通話電流は
従来の交換機同（）９に通話電流供給回路７より供給さ
れる。In FIG. 1, an audio signal is transmitted from an audio signal terminal 5 connected to a switch circuit to a communication circuit 9 of a telephone 2 through a wiring cable 3. The communication current to the telephone communication circuit is supplied from a communication current supply circuit 7 to a conventional exchange (2) 9.
ディジタルデータの送受は配線ケーブル４を通して、主
装置と電話機に設けられているデータ送受信回路６，１
１により行なわれる。主装置１から’ｌｔｖ話機２への
′電源はディジタルデータに重畳され配線ケーブル４を
通じて供給される。このため電源供給回路８と受′Ｃ１
ｉ回路１２及び電源電流による配線ケーブル４での電圧
変動がディジタル信号に対して影響企及ばずため、主装
置と電話機間の線路長を十分にとれなかった０
本発明の目的は２対ケ一ブル配線方式の電子式の方式に
比し延ばすことを可能にするものである。Digital data is transmitted and received through a wiring cable 4 to data transmitting and receiving circuits 6 and 1 provided in the main device and the telephone.
1. Power from the main unit 1 to the LTV handset 2 is superimposed on digital data and supplied through the wiring cable 4. Therefore, the power supply circuit 8 and the receiver 'C1
Since voltage fluctuations in the wiring cable 4 caused by the i circuit 12 and the power supply current do not affect the digital signal, it is not possible to ensure a sufficient line length between the main device and the telephone. This makes it possible to extend the time compared to the electronic system using the blue wiring system.
本発明によると主装置と電話機間を２対ケーブルで接続
するｔｌｉｌ成子タン電話装置において、１対を音声信
−５４ｆを含むアナログ可聴信号の伝送に、他の１対を
ディジタルデータ伝送に使用し、かつ主装置から′１１
を詰機への電源供給を２対ケーブル全利用したファント
ム供電方式とすることを特徴とする電子式ボタン電話装
置の電源供給方式が肖られる。According to the present invention, in a tlil Seikotan telephone device that connects the main device and the telephone with two pairs of cables, one pair is used for transmitting analog audible signals including voice signals -54F, and the other pair is used for transmitting digital data. , and from the main device '11
A power supply system for an electronic button telephone device is described, which is characterized in that the power supply to the stuffing machine is a phantom power supply system that fully utilizes two-pair cables.
次に本発明の実施例について図面を参照して説明する。Next, embodiments of the present invention will be described with reference to the drawings.
第２図は本発明の一実施例の構成図４・示す。図におい
て１は主装置の対電話機インターフェース回路、２は電
話機、３は配線ケーブルの１対（音声信号用）、４は配
線ケーブルの１対（データ伝送用）、５は音声信号端子
、６を１デ一タ送受信回路、７は電源、８〜１１はセン
タータップ付トランス、１２は受電回路、１３は通詰回
路、１４は送受器、１５はデータ送受信回路である。FIG. 2 shows a block diagram 4 of an embodiment of the present invention. In the figure, 1 is a telephone interface circuit of the main device, 2 is a telephone, 3 is a pair of wiring cables (for audio signals), 4 is a pair of wiring cables (for data transmission), 5 is an audio signal terminal, and 6 is a pair of wiring cables (for data transmission). 1 is a data transmitting/receiving circuit, 7 is a power supply, 8 to 11 are transformers with center taps, 12 is a power receiving circuit, 13 is a plugging circuit, 14 is a transmitter/receiver, and 15 is a data transmitting/receiving circuit.
音声信号の伝送はスイッナ回路に接続されている音声信
号端子よりトランス８、配線ケーブル３、トランス１０
、及び通話回路１３を通じて行なわれる。またデータ伝
送はトランス９、配線ケーブル４、トランス１１を通じ
主装置のデータ送受（ｇ回路６と電話機のデータ送受信
回路１５間で行なわれる。The audio signal is transmitted from the audio signal terminal connected to the switcher circuit to transformer 8, wiring cable 3, and transformer 10.
, and communication circuit 13. Further, data transmission is performed through the transformer 9, the wiring cable 4, and the transformer 11 between the main device's data transmission and reception (between the g circuit 6 and the data transmission/reception circuit 15 of the telephone).
主装置１から電話機２へのｉＪｆ源供給ｅよ、主装置電
源７よりトランス８〜１１のセンタータップを通じて電
話機受電回路に供給されるため、音声信月の伝送及びデ
ィジタルデータ伝送にほとんど影響を与えない。寸だ２
対ケーブルの全部の線を通して供給されるため第１図の
方法に比し線路抵抗が半分になることと、データ伝送路
の電気的平衡度が向上するため主装置と電話機間の線路
長をのばすことができる０
本発明によると、以上説明したように主装置と１１を詰
機間の線路長を従来のものよりｉＷすことの可能な電子
式ボタン電話装置が得られる。The iJf power supply from the main device 1 to the telephone 2 is supplied from the main device power supply 7 to the telephone receiving circuit through the center taps of transformers 8 to 11, so it has little effect on the transmission of voice signals and digital data transmission. do not have. size 2
The line resistance is halved compared to the method shown in Figure 1 because the power is supplied through all the lines of the paired cable, and the electrical balance of the data transmission path is improved, so the length of the line between the main device and the telephone can be extended. According to the present invention, as explained above, an electronic button telephone device is obtained in which the line length between the main device and the packing machine 11 can be made shorter than the conventional one.
第１図は従来のものの構成図、第２図は本発明の一実施
例の構成図である。FIG. 1 is a configuration diagram of a conventional device, and FIG. 2 is a configuration diagram of an embodiment of the present invention.
Claims (1)
ン電話装置において、１対全音声信号を含むアナログ可
１＋＋ｉ信号の伝送に、他の１対をディジタルデータ伝
送に使用し、かつ主装置から電話機への電源供給を前記
２対ケーブルを利用した７アントム給電方式とすること
を特徴とする電子式ボタン電話装置の電源供給方式。In an electronic button telephone device that connects the main device and the telephone with two pairs of cables, one pair is used for transmitting analog 1++i signals including all voice signals, and the other pair is used for digital data transmission, and A power supply system for an electronic button telephone device, characterized in that power is supplied to the telephone by a 7-antome power supply system using the two-pair cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56133539A JPS5836060A (en) | 1981-08-26 | 1981-08-26 | Power supply system of electronic key telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56133539A JPS5836060A (en) | 1981-08-26 | 1981-08-26 | Power supply system of electronic key telephone set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5836060A true JPS5836060A (en) | 1983-03-02 |
Family
ID=15107172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56133539A Pending JPS5836060A (en) | 1981-08-26 | 1981-08-26 | Power supply system of electronic key telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5836060A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59215170A (en) * | 1983-05-20 | 1984-12-05 | Nippon Telegr & Teleph Corp <Ntt> | Terminal device connecting system |
| JPS60103186A (en) * | 1983-11-09 | 1985-06-07 | Nippon Piston Ring Co Ltd | Surface treatment of sliding member |
-
1981
- 1981-08-26 JP JP56133539A patent/JPS5836060A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59215170A (en) * | 1983-05-20 | 1984-12-05 | Nippon Telegr & Teleph Corp <Ntt> | Terminal device connecting system |
| JPH0234517B2 (en) * | 1983-05-20 | 1990-08-03 | Nippon Telegraph & Telephone | |
| JPS60103186A (en) * | 1983-11-09 | 1985-06-07 | Nippon Piston Ring Co Ltd | Surface treatment of sliding member |
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