JPS5857154U - Dial reception control circuit - Google Patents
Dial reception control circuitInfo
- Publication number
- JPS5857154U JPS5857154U JP15163581U JP15163581U JPS5857154U JP S5857154 U JPS5857154 U JP S5857154U JP 15163581 U JP15163581 U JP 15163581U JP 15163581 U JP15163581 U JP 15163581U JP S5857154 U JPS5857154 U JP S5857154U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control circuit
- reception control
- dial reception
- frequency meter
- 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
- Meter Arrangements (AREA)
- Monitoring And Testing Of Exchanges (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
図は本考案によるダイヤルパルス受信制御回路の原理を
示す図である。
符号の説明、1・・・・・・電話機、2・・・・・・タ
イマ回路、3・・・・・・保持回路、4・・・・・・受
話器あげ検出回路、5・・・・・・ダイヤル受信回路。The figure is a diagram showing the principle of a dial pulse reception control circuit according to the present invention. Explanation of symbols: 1...Telephone, 2...Timer circuit, 3...Holding circuit, 4...Hook-up detection circuit, 5... ...Dial receiving circuit.
Claims (1)
おいて、該加入者度数計監査装置内に受話器上げ検出回
路とタイマー回路とによって動作する継電器接点により
、前記電話交換機のA、 B線間に直流回路を形成し、
加入者度数計監査装置がダイヤル受信可能になった後に
前記直流回路を開放することを特徴とするダイヤル受信
制御回路。In a subscriber frequency meter auditing device connected in parallel with a telephone exchange, a relay contact operated by a handset-up detection circuit and a timer circuit in the subscriber frequency meter auditing device connects between the A and B lines of the telephone exchange. form a DC circuit,
A dial reception control circuit characterized in that the DC circuit is opened after the subscriber frequency meter inspection device becomes capable of dial reception.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15163581U JPS5857154U (en) | 1981-10-14 | 1981-10-14 | Dial reception control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15163581U JPS5857154U (en) | 1981-10-14 | 1981-10-14 | Dial reception control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5857154U true JPS5857154U (en) | 1983-04-18 |
JPH0230942Y2 JPH0230942Y2 (en) | 1990-08-21 |
Family
ID=29944323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15163581U Granted JPS5857154U (en) | 1981-10-14 | 1981-10-14 | Dial reception control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5857154U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS528055A (en) * | 1975-07-08 | 1977-01-21 | Sumitomo Chem Co Ltd | Method for heat-treating of vinyl chloride polymers |
-
1981
- 1981-10-14 JP JP15163581U patent/JPS5857154U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS528055A (en) * | 1975-07-08 | 1977-01-21 | Sumitomo Chem Co Ltd | Method for heat-treating of vinyl chloride polymers |
Also Published As
Publication number | Publication date |
---|---|
JPH0230942Y2 (en) | 1990-08-21 |
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