JPS6129560U - Phone hold circuit with automatic release function - Google Patents
Phone hold circuit with automatic release functionInfo
- Publication number
- JPS6129560U JPS6129560U JP11300984U JP11300984U JPS6129560U JP S6129560 U JPS6129560 U JP S6129560U JP 11300984 U JP11300984 U JP 11300984U JP 11300984 U JP11300984 U JP 11300984U JP S6129560 U JPS6129560 U JP S6129560U
- Authority
- JP
- Japan
- Prior art keywords
- matching circuit
- circuit
- polarity matching
- transistor
- parallel
- 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
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図は本考案による自動解除機能付保留回路の一実施
例の構成を示した回路図、第２図は本考案による自動解
除機能付保留回路の他の一実施例の構成を示した回路図
である。
１・・・局線、２・・・自動解除機能付保留回路、３・
・・極性一致回路、４・・・局線捕捉回蕗、５川トリガ
回路、６・・・保留音送出回路、ＲＬ・・・自己保持用
リレー、Ｈ・・・ノンロック式スイッチ、Ｒ， Ｒ２，
Ｒ，・・・抵抗、ＳＣＲ・・・シリコン制御整流器、
ｃ１，ｃ２・゜゜コンデンサ、ＴＥＬエ〜ＴＥＬｎ・・
・電話機。Fig. 1 is a circuit diagram showing the configuration of one embodiment of the holding circuit with automatic release function according to the present invention, and Fig. 2 is a circuit diagram showing the structure of another embodiment of the holding circuit with automatic release function according to the present invention. It is a diagram. 1... Office line, 2... Holding circuit with automatic release function, 3...
...Polarity matching circuit, 4...Local line capture circuit, 5 river trigger circuit, 6...Holding music sending circuit, RL...Self-holding relay, H...Non-locking switch, R, R2,
R,...resistance, SCR...silicon controlled rectifier,
c1, c2・゜゜capacitor, TEL-TELn...
・Telephone.
Claims (1)
ＥＬ，を並列に接続したいわゆる親子電話機において、
前記電話機の少なくとも１台に前記局線に対して並列に
極性一致回路３を設け、該極性一致回路の出力側にはト
ランジスタＴＲエとシリコン制御整流器ＳＧＲとを有し
、前記トランジスタのエミッタとベースとを第１の抵抗
Ｒ１を介して接続し、前記トランジスタのベースと前記
シリコン制御整流器の主電極端子の一方を接続し、前記
極性一致回路の出力端子の一方と前記シリコン制御整流
器の主電極端子の他方との間に第２の抵初Ｒ２と第１の
コンデンサＣ１とを並列に接続り前記極性一致回路の出
力端子の一方と前記トランジスタのコレクタとの間に第
３の抵抗島と発乞ダイオードＬＥＤとを直列に接続し、
前記極性一致回路の出力側にスイッチＨを介して前記シ
リコシ制御整流器のゲートにトリがパルスを加える為の
トリが回路５が設けられ、前記極性一致回路の出力端子
の他方と前記トランジスタのエミッタとの間に前記スイ
ッチを介してリレーＲＬのコイルＣＯＬを接続し、前記
スイッチと並列に前記リレーのメーク接点ｒ１を接続し
たことを特徴とする電話機の自動解除機能付保留回路。 ２ 前記極性一致回路の出力端子の一方と前記トランジ
スタのエミッタとの間に第４の抵抗Ｒ４と第２のコンデ
ンサＣ２とを並列に接続した実用新案登録請求の範囲第
１項記載の電話機の自動解除機能付保留回路。 ３ 前記極性一致回路の出力側に前記リレーのメーク接
点を介して保留音送出回路６が設けられている実用新案
登録請求の範囲第１項又は第２項記載の電話機の自動解
除機能付保留回路。[Claims for Utility Model Registration] 1. A pair of office lines, multiple telephones for one TEL-T
In a so-called parent-child phone that connects EL, in parallel,
At least one of the telephones is provided with a polarity matching circuit 3 in parallel with the office line, and the output side of the polarity matching circuit has a transistor TR and a silicon-controlled rectifier SGR, and the emitter and base of the transistor are connected to each other. are connected via a first resistor R1, the base of the transistor is connected to one of the main electrode terminals of the silicon-controlled rectifier, and one of the output terminals of the polarity matching circuit is connected to the main electrode terminal of the silicon-controlled rectifier. A second resistor R2 and a first capacitor C1 are connected in parallel between the other terminal of the polarity matching circuit, and a third resistive island is connected between one of the output terminals of the polarity matching circuit and the collector of the transistor. Connect the diode LED in series,
A circuit 5 is provided on the output side of the polarity matching circuit for applying a pulse to the gate of the silicon control rectifier via a switch H, and the other output terminal of the polarity matching circuit and the emitter of the transistor are connected to each other. A holding circuit for a telephone set with an automatic release function, characterized in that a coil COL of a relay RL is connected through the switch during the interval, and a make contact r1 of the relay is connected in parallel with the switch. 2. An automatic telephone set according to claim 1, wherein a fourth resistor R4 and a second capacitor C2 are connected in parallel between one of the output terminals of the polarity matching circuit and the emitter of the transistor. Hold circuit with release function. 3. A holding circuit with an automatic release function for a telephone according to claim 1 or 2, wherein a holding tone sending circuit 6 is provided on the output side of the polarity matching circuit via the make contact of the relay. .
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11300984U JPS6129560U (en) | 1984-07-25 | 1984-07-25 | Phone hold circuit with automatic release function |
| AU42217/85A AU4221785A (en) | 1984-05-10 | 1985-05-09 | Office line holding circuit |
| US06/732,384 US4656660A (en) | 1984-05-10 | 1985-05-09 | Office line holding circuit with an automatic release function for direct connection telephone system |
| GB08511834A GB2160744A (en) | 1984-05-10 | 1985-05-10 | Exchange line holding circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11300984U JPS6129560U (en) | 1984-07-25 | 1984-07-25 | Phone hold circuit with automatic release function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6129560U true JPS6129560U (en) | 1986-02-22 |
| JPH0233423Y2 JPH0233423Y2 (en) | 1990-09-07 |
Family
ID=30672045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11300984U Granted JPS6129560U (en) | 1984-05-10 | 1984-07-25 | Phone hold circuit with automatic release function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6129560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144157U (en) * | 1979-04-04 | 1980-10-16 | ||
| JPS61201543A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Master and slave telephone set |
| JPS61201541A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Holding automatic release device in master and slave telephone set |
| JPS61201542A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Holding automatic release device in master and slave telephone set |
-
1984
- 1984-07-25 JP JP11300984U patent/JPS6129560U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55144157U (en) * | 1979-04-04 | 1980-10-16 | ||
| JPS61201543A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Master and slave telephone set |
| JPS61201541A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Holding automatic release device in master and slave telephone set |
| JPS61201542A (en) * | 1985-03-05 | 1986-09-06 | Kanda Tsushin Kogyo Kk | Holding automatic release device in master and slave telephone set |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0233423Y2 (en) | 1990-09-07 |
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