JPS5996957U - ringtone identification circuit - Google Patents
ringtone identification circuitInfo
- Publication number
- JPS5996957U JPS5996957U JP19336882U JP19336882U JPS5996957U JP S5996957 U JPS5996957 U JP S5996957U JP 19336882 U JP19336882 U JP 19336882U JP 19336882 U JP19336882 U JP 19336882U JP S5996957 U JPS5996957 U JP S5996957U
- Authority
- JP
- Japan
- Prior art keywords
- contacts
- extension
- relay
- output
- contact
- 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図は従来の着信音識別回路を示す図、第２図は本考
案による着信音識別回路の一実施例を示す図である。
１・・・着信装置、２・・・リレー、計・・トランジス
タ、４・・・スイッチ、５・・・整流素子、６・・・ス
ピーカ。FIG. 1 is a diagram showing a conventional ring tone identification circuit, and FIG. 2 is a diagram showing an embodiment of the ring tone identification circuit according to the present invention. 1... Incoming call device, 2... Relay, Total... Transistor, 4... Switch, 5... Rectifying element, 6... Speaker.
Claims (1)
受信し、着信音を発するための回路において、電話交換
機からのベル信号を整流するための整流素子と、内線か
らの呼出操作によって動作するリレーと、前記整流素子
の出力の各線にそれぞれノーマルクローズ端子が接続さ
れた、前記リレーの第１、第２の接点も前記第１、第２
の接点の共通端子に入力の各線がそれぞれ接続され、か
つ、変調をかける回路部に前記リレーの第３の接点が挿
入された着信装置と、前記着信装置の出力に接続された
スピーカとからなり、前記電話交換機からのベル信号に
対しては、前記整流素子より前記着信装置に電力を供給
して前記子ピーカより変調音を出力し、前記内線からの
呼出しに対しては前記第１、第２の接点を切替えて前記
着信装置に電力を供給するとともに、第３の接点の切替
で変調を停止し、前記スピーカより単音を出力するよう
に、構成したことを特徴とする着信音識別回路。A circuit for receiving a bell signal and an extension ringing signal sent from a telephone exchange and emitting a ring tone includes a rectifying element for rectifying the bell signal from the telephone exchange, and a relay activated by a ringing operation from the extension. , a normally closed terminal is connected to each line of the output of the rectifying element, and the first and second contacts of the relay are also connected to the first and second contacts.
a receiving device in which each input line is connected to a common terminal of the contacts, and a third contact of the relay is inserted into a circuit section that applies modulation; and a speaker connected to the output of the receiving device. , in response to a bell signal from the telephone exchange, the rectifier supplies power to the receiving device and outputs a modulated sound from the sub-peaker, and in response to a call from the extension, the first and second terminals A ring tone identification circuit characterized in that it is configured to supply power to the incoming call device by switching a second contact, stop modulation by switching a third contact, and output a single tone from the speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19336882U JPS5996957U (en) | 1982-12-21 | 1982-12-21 | ringtone identification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19336882U JPS5996957U (en) | 1982-12-21 | 1982-12-21 | ringtone identification circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5996957U true JPS5996957U (en) | 1984-06-30 |
Family
ID=30415912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19336882U Pending JPS5996957U (en) | 1982-12-21 | 1982-12-21 | ringtone identification circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5996957U (en) |
-
1982
- 1982-12-21 JP JP19336882U patent/JPS5996957U/en active Pending
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