JPS6072053U - ringer detection device - Google Patents
ringer detection deviceInfo
- Publication number
- JPS6072053U JPS6072053U JP16425683U JP16425683U JPS6072053U JP S6072053 U JPS6072053 U JP S6072053U JP 16425683 U JP16425683 U JP 16425683U JP 16425683 U JP16425683 U JP 16425683U JP S6072053 U JPS6072053 U JP S6072053U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- ringer
- detection device
- interval
- level change
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す図、第２図は実施例動
作を行う回路構成の一具体例を示す図、第３図は第２図
の動作フロチャートである。１は波形整形回路、２はマ
イクロプロセッサ、３は制御回路である。FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing a specific example of a circuit configuration for operating the embodiment, and FIG. 3 is an operation flowchart of FIG. 2. 1 is a waveform shaping circuit, 2 is a microprocessor, and 3 is a control circuit.
Claims (1)
換する変換手段と、該変換手段より得られたパルス信号
における連続するレベル変化点の間隔を計時するタイマ
手段と、該タイマ手段により計時されたレベル変化点間
隔が予め定めたパルス間隔以下であることを検出する検
出手段と、該検出手段からの検出出力を計数し、計数結
果に応じてリンガ−検出出力を発する手段とを備えたリ
ンガ−検出装置。a conversion means for converting a signal received from a line into a binary level pulse signal; a timer means for measuring the interval between successive level change points in the pulse signal obtained from the conversion means; A ringer comprising a detection means for detecting that a level change point interval is equal to or less than a predetermined pulse interval, and means for counting a detection output from the detection means and issuing a ringer detection output according to the counting result. - Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16425683U JPS6072053U (en) | 1983-10-24 | 1983-10-24 | ringer detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16425683U JPS6072053U (en) | 1983-10-24 | 1983-10-24 | ringer detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6072053U true JPS6072053U (en) | 1985-05-21 |
Family
ID=30360163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16425683U Pending JPS6072053U (en) | 1983-10-24 | 1983-10-24 | ringer detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6072053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243353A (en) * | 1991-01-18 | 1992-08-31 | Mitsubishi Electric Corp | Sequencer device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4974807A (en) * | 1972-11-20 | 1974-07-19 | ||
| JPS5361905A (en) * | 1976-11-16 | 1978-06-02 | Tokyo Rokuon Kougiyou Kk | Telephone calling signal detector |
| JPS5725756A (en) * | 1980-07-22 | 1982-02-10 | Ricoh Co Ltd | Call signal detector |
-
1983
- 1983-10-24 JP JP16425683U patent/JPS6072053U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4974807A (en) * | 1972-11-20 | 1974-07-19 | ||
| JPS5361905A (en) * | 1976-11-16 | 1978-06-02 | Tokyo Rokuon Kougiyou Kk | Telephone calling signal detector |
| JPS5725756A (en) * | 1980-07-22 | 1982-02-10 | Ricoh Co Ltd | Call signal detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243353A (en) * | 1991-01-18 | 1992-08-31 | Mitsubishi Electric Corp | Sequencer device |
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