JPS5896357U - power supply circuit - Google Patents
power supply circuitInfo
- Publication number
- JPS5896357U JPS5896357U JP19051181U JP19051181U JPS5896357U JP S5896357 U JPS5896357 U JP S5896357U JP 19051181 U JP19051181 U JP 19051181U JP 19051181 U JP19051181 U JP 19051181U JP S5896357 U JPS5896357 U JP S5896357U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- path conversion
- conversion device
- supply 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.)
- Pending
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図は本考案の実施例を示すブロック図、第２図は本
考案の第１図の詳細を示す回路図、第３図は信号を示す
タイムチャート、第４図ａ ” ｃは信号ピックアップ
回路の動作を示すタイムチャートである。
１・・・・・・判別回路、２・・・・・・電源供給制御
回路、３・・・・・・終話信号ピックアップ回路、４・
・・・・・通話路変換回路、６・・・・・・起動信号、
７・・・・・・ダイアル信号、８・・・・・・終話信号
。Fig. 1 is a block diagram showing an embodiment of the invention, Fig. 2 is a circuit diagram showing details of Fig. 1 of the invention, Fig. 3 is a time chart showing signals, Fig. 4 a and c are signal pickups. It is a time chart showing the operation of the circuit. 1...Discrimination circuit, 2...Power supply control circuit, 3...Call end signal pickup circuit, 4...
...Call path conversion circuit, 6...Start signal,
7...Dial signal, 8...Call end signal.
Claims (1)
起動信号の有無を判別回路と、この判別回路によって作
動する電源供給制御回路と、通話終了信号をピックアッ
プするピックアップ回路とを有し、通話時のみ前記通話
路変換装置の送信側回路に電源を投入する事を特徴とす
る電源供給回路。The audio side input of the call path conversion device of the carrier communication device has a circuit that determines the presence or absence of an exchange activation signal, a power supply control circuit activated by this determination circuit, and a pickup circuit that picks up a call end signal. A power supply circuit characterized in that power is supplied to a transmitting side circuit of the communication path conversion device only when the communication path conversion device is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19051181U JPS5896357U (en) | 1981-12-21 | 1981-12-21 | power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19051181U JPS5896357U (en) | 1981-12-21 | 1981-12-21 | power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5896357U true JPS5896357U (en) | 1983-06-30 |
Family
ID=30104077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19051181U Pending JPS5896357U (en) | 1981-12-21 | 1981-12-21 | power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5896357U (en) |
-
1981
- 1981-12-21 JP JP19051181U patent/JPS5896357U/en active Pending
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