JPS583683U - Tone signal detection circuit - Google Patents
Tone signal detection circuitInfo
- Publication number
- JPS583683U JPS583683U JP1981095241U JP9524181U JPS583683U JP S583683 U JPS583683 U JP S583683U JP 1981095241 U JP1981095241 U JP 1981095241U JP 9524181 U JP9524181 U JP 9524181U JP S583683 U JPS583683 U JP S583683U
- Authority
- JP
- Japan
- Prior art keywords
- tone signal
- signal detection
- detection circuit
- circuit
- output
- 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
Landscapes
- Mobile Radio Communication Systems (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のトーン信号検出回路を説明する回路図、
第２１１ｆｆｌａ、 ｂ、 ｃ、 ｄ、 ｅは
従来のトーン信号検出回路の動作を説明するタイムチャ
ート、第３図は本考案に係わるトーン信号検出回路を説
明する回路図、第４図ａ、 ｂ、 ｃ、、 ｄ、
ｅは本考案に係わる信号検出回路の動作を説明する
タイム ′チャートである。
１−・・・入力信号端子、２・・・リードフィルタ、３
・・・検出器、４・・・遅延回路、５・・・波形整形回
路、６・・・出力端子、１０・・・パルス発生回路。FIG. 1 is a circuit diagram explaining a conventional tone signal detection circuit.
211ffla, b, c, d, e are time charts explaining the operation of the conventional tone signal detection circuit, FIG. 3 is a circuit diagram explaining the tone signal detection circuit according to the present invention, and FIG. 4 a, b, c,, d,
e is a time chart illustrating the operation of the signal detection circuit according to the present invention. 1-...Input signal terminal, 2...Lead filter, 3
...Detector, 4...Delay circuit, 5...Waveform shaping circuit, 6...Output terminal, 10...Pulse generation circuit.
Claims (2)
の検出出力を遅延回路により遅延して出力するトーン信
号出力回路において、遅延回路の出力にトリガされ所定
幅のパルスを発生するパルス発生回路を設け、該パルス
発生器から出力されるパルスを出力信号としたことを特
徴とするトーン信号検出回路。(1) In a tone signal output circuit that detects a tone signal using a lead filter, and outputs the detected output after being delayed by a delay circuit, a pulse generation circuit that is triggered by the output of the delay circuit and generates a pulse of a predetermined width is used. 1. A tone signal detection circuit comprising: a tone signal detection circuit, wherein a pulse outputted from the pulse generator is used as an output signal.
からなることを特徴とする実用新案登録請求の範囲第（
１）項記載のトーン信号検出回路。(2) The above-mentioned pulse generation circuit is comprised of a monostable multivibrator.
The tone signal detection circuit described in section 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981095241U JPS583683U (en) | 1981-06-29 | 1981-06-29 | Tone signal detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981095241U JPS583683U (en) | 1981-06-29 | 1981-06-29 | Tone signal detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS583683U true JPS583683U (en) | 1983-01-11 |
Family
ID=29890158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981095241U Pending JPS583683U (en) | 1981-06-29 | 1981-06-29 | Tone signal detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS583683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61108604U (en) * | 1984-12-22 | 1986-07-10 |
-
1981
- 1981-06-29 JP JP1981095241U patent/JPS583683U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61108604U (en) * | 1984-12-22 | 1986-07-10 |
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