JPS62105647U - - Google Patents
Info
- Publication number
- JPS62105647U JPS62105647U JP19847785U JP19847785U JPS62105647U JP S62105647 U JPS62105647 U JP S62105647U JP 19847785 U JP19847785 U JP 19847785U JP 19847785 U JP19847785 U JP 19847785U JP S62105647 U JPS62105647 U JP S62105647U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- power supply
- ringing tone
- exposed
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図ａはこの考案にかかる露出電話トーンリ
ンガの一実施例をあらわす回路図、第１図ｂは別
の実施例の電話呼出音発生回路の部分をあらわす
回路図、第２図は第１図ａの実施例の外観をあら
わす説明図である。
１……電源回路、２……電話呼出音発生回路、
３……着信信号検出回路、ＰｈＣ……ホトカプラ
。
FIG. 1a is a circuit diagram showing one embodiment of an exposed telephone tone ringer according to this invention, FIG. 1b is a circuit diagram showing a portion of a telephone ringing tone generating circuit of another embodiment, and FIG. It is an explanatory view showing the appearance of Example a. 1...Power supply circuit, 2...Telephone ringing tone generation circuit,
3...Incoming signal detection circuit, PhC...photocoupler.
Claims (1)
と、この電動呼出音発生回路のための高電圧の電
源回路と、電話回線に接続され着信信号を検出し
て前記電源回路に信号を入力しこの電源回路を動
作させて前記電話呼出音発生回路を動作させる着
信信号検出回路とを備えた露出電話トーンリンガ
であつて、前記着信信号検出回路と電源回路との
信号のやりとりがホトカプラを介して行われるよ
うになつていて、この着信信号検出回路とその他
の回路との間が電気的に絶縁されていることを特
徴とする露出電話トーンリンガ。 (2) 着信信号検出回路が共鳴り防止機能を有し
ている実用新案登録請求の範囲第１項記載の露出
電話トーンリンガ。[Scope of Claim for Utility Model Registration] (1) A telephone ringing tone generating circuit that generates a telephone ringing tone, a high voltage power supply circuit for this electric ringing tone generating circuit, and a circuit that is connected to a telephone line and detects an incoming call signal. an incoming call signal detection circuit that inputs a signal to the power supply circuit and operates the power supply circuit to operate the telephone ringing tone generation circuit, the exposed telephone tone ringer comprising: An exposed telephone tone ringer characterized in that signal exchange is performed via a photocoupler, and the incoming signal detection circuit and other circuits are electrically isolated. (2) The exposed telephone tone ringer according to claim 1, wherein the incoming signal detection circuit has a resonance prevention function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19847785U JPS62105647U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19847785U JPS62105647U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62105647U true JPS62105647U (en) | 1987-07-06 |
Family
ID=31159200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19847785U Pending JPS62105647U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62105647U (en) |
-
1985
- 1985-12-23 JP JP19847785U patent/JPS62105647U/ja active Pending