JPS59111355U - public telephone - Google Patents
public telephoneInfo
- Publication number
- JPS59111355U JPS59111355U JP19791883U JP19791883U JPS59111355U JP S59111355 U JPS59111355 U JP S59111355U JP 19791883 U JP19791883 U JP 19791883U JP 19791883 U JP19791883 U JP 19791883U JP S59111355 U JPS59111355 U JP S59111355U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- signal
- output
- timer circuit
- 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
Landscapes
- Prepayment Telephone Systems (AREA)
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
図は本考案の実施例を示し、第１図は公衆電話機の主回
路を示す接続図、第２図は制御系のブロック図、第３図
はタイマ回路のブロック図である。
ＤＣ・・・ダイヤル制御回路、ＴＭ・・・タイマ回路、
ＣＮ３・・・コネクタ（第２切替器）、ＣＮ５・・・コ
ネクタ（第１切替器）、７Ｎ、１５Ｎ・・・ＯＲゲート
、１６Ｎ・・・ＮＡＮＤゲート（第１ゲート回路）、１
９Ｎ−ＮＡＮＤ／７’−） （第２ゲート回路）、ｓ
−・・信号出力。
Ｉ中辛 宰Ｉ “
１＊−＝・１The figures show an embodiment of the present invention; FIG. 1 is a connection diagram showing the main circuit of a public telephone, FIG. 2 is a block diagram of the control system, and FIG. 3 is a block diagram of the timer circuit. DC...dial control circuit, TM...timer circuit,
CN3...Connector (second switch), CN5...Connector (first switch), 7N, 15N...OR gate, 16N...NAND gate (first gate circuit), 1
9N-NAND/7'-) (second gate circuit), s
-...Signal output. I Chushin Zai I “ 1*-=・1
Claims (1)
あるかを判断し前記ダイヤル発信番号に応じた制御出力
を生ずるダイヤル制御回路と、該ダイヤル制御回路が前
記市外番号と判断したときの前記制御出力に応じ被呼者
応答後の単位通話時間経過毎に信号出力を生ずるタイマ
回路と、市内通話専用の市外通話兼用との切替えを行な
う第１切替器と、単一課金方式とマルチ課金方式との切
替えを行なう第２切替器と、該第２切替器の切替状況に
応じ交換機からの課金信号および前記タイマ回路の信号
出力を硬貨収納信号として送出する第１ゲート回路と、
前記第１および第２切替器の′切替状況に応じ前記ダイ
ヤル制御回路の制御出力および前記タイマ回路の信号出
力を通話の強制切断信号として送出する第２ゲート回路
とを備えたことを特徴とする公衆電話機。a dial control circuit that determines whether a dialed number is a toll number or a local number and generates a control output according to the dialed number; A timer circuit that generates a signal output every unit call time after the called party answers according to the control output, a first switching device that switches between local calls and long-distance calls, and a single billing method and a multi-charging system. a second switch for switching between billing methods; a first gate circuit for sending a billing signal from the exchange and a signal output from the timer circuit as a coin storage signal according to the switching status of the second switch;
The present invention is characterized by comprising a second gate circuit that sends out a control output of the dial control circuit and a signal output of the timer circuit as a forced call disconnection signal depending on the switching status of the first and second switching devices. Public phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19791883U JPS59111355U (en) | 1983-12-24 | 1983-12-24 | public telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19791883U JPS59111355U (en) | 1983-12-24 | 1983-12-24 | public telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59111355U true JPS59111355U (en) | 1984-07-27 |
| JPS6311793Y2 JPS6311793Y2 (en) | 1988-04-06 |
Family
ID=30423455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19791883U Granted JPS59111355U (en) | 1983-12-24 | 1983-12-24 | public telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59111355U (en) |
-
1983
- 1983-12-24 JP JP19791883U patent/JPS59111355U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6311793Y2 (en) | 1988-04-06 |
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