JPS60177531U - Simple single tone signal detection circuit - Google Patents
Simple single tone signal detection circuitInfo
- Publication number
- JPS60177531U JPS60177531U JP6372584U JP6372584U JPS60177531U JP S60177531 U JPS60177531 U JP S60177531U JP 6372584 U JP6372584 U JP 6372584U JP 6372584 U JP6372584 U JP 6372584U JP S60177531 U JPS60177531 U JP S60177531U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- tone signal
- pulse
- judgment
- detection 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
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Selective Calling Equipment (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) [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のブロック図、第２図〜第４図
は本実施例の動作を示すタイムチャート図で、第２図は
信号周波数が検出周波数より高い場合、第３図は信号周
波数が検出周波数と等１い場合、第４図は信号周波数が
検出周波数より低い場合を示す。
１・・・・・・半波整流回路、２．２’、 ５・・・
・・・単安定マルチバイブレータ回路、３・・・・・−
ＡＮＤゲート回路、４・・・・・・カウンタ回路１．６
・・・・・・基準パルス、７゛…・・・判定パルス、８
・曲・論理判定パルス、９…・・・検出パルス、１０・
・・・・・単一トーン信号波、１１・・・・・・単一ト
ーン信号波の半波整流回路、１２・・・・・・基準位相
パルス波形。Fig. 1 is a block diagram of an embodiment of the present invention, Figs. 2 to 4 are time charts showing the operation of this embodiment, and Fig. 2 shows a case where the signal frequency is higher than the detection frequency; When the signal frequency is equal to the detection frequency, FIG. 4 shows the case where the signal frequency is lower than the detection frequency. 1...Half-wave rectifier circuit, 2.2', 5...
...monostable multivibrator circuit, 3...-
AND gate circuit, 4... Counter circuit 1.6
...Reference pulse, 7゛ ...Judgment pulse, 8
・Song/logic judgment pulse, 9...Detection pulse, 10・
. . . Single tone signal wave, 11 . . . Half-wave rectifier circuit for single tone signal wave, 12 . . . Reference phase pulse waveform.
Claims (1)
において、前記単一トーン信号を半波整流する半波整流
回路と、この半波整流回路の出力を入力して基準パルス
を発生させる２個の単安定マルチバイブレータ回路と、
前記半波整流回路の他方の出力から判定パルスを発生さ
せる１個の単安定マルチバイブレータ回路と、前記基準
パルスと前記判定パルスとを入力して論理判定パルスを
出力するＡＮＤゲート回路と、前記論理判定パルスを計
数して検出パルスを出力させるカウンタ回路とからなる
ことを特徴とする簡易型単一トーン信号検出回路。A signal receiving device that uses a single-tone signal as a control signal includes a half-wave rectifier circuit that half-wave rectifies the single-tone signal, and two circuits that input the output of this half-wave rectifier circuit and generate a reference pulse. monostable multivibrator circuit,
one monostable multivibrator circuit that generates a judgment pulse from the other output of the half-wave rectifier circuit; an AND gate circuit that inputs the reference pulse and the judgment pulse and outputs a logic judgment pulse; A simple single tone signal detection circuit comprising a counter circuit that counts judgment pulses and outputs detection pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6372584U JPS60177531U (en) | 1984-04-28 | 1984-04-28 | Simple single tone signal detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6372584U JPS60177531U (en) | 1984-04-28 | 1984-04-28 | Simple single tone signal detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60177531U true JPS60177531U (en) | 1985-11-26 |
Family
ID=30594146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6372584U Pending JPS60177531U (en) | 1984-04-28 | 1984-04-28 | Simple single tone signal detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177531U (en) |
-
1984
- 1984-04-28 JP JP6372584U patent/JPS60177531U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60177531U (en) | Simple single tone signal detection circuit | |
| JPS6146485U (en) | Radar equipment exciter | |
| JPS58180477U (en) | frequency discrimination device | |
| JPS6044147U (en) | pattern recognition device | |
| JPS60137381U (en) | phase comparator | |
| JPS5882039U (en) | phase comparison circuit | |
| JPS5891173U (en) | Peak level detection circuit | |
| JPS6020695U (en) | Input signal detection circuit | |
| JPS58101232U (en) | microcomputer | |
| JPS6135592U (en) | rectifier circuit | |
| JPS58107633U (en) | Output circuit | |
| JPS59108277U (en) | Power outage detection circuit | |
| JPS58184946U (en) | Busy signal detection circuit | |
| JPS5843654U (en) | Reference signal generation circuit | |
| JPS58172881U (en) | frequency detection circuit | |
| JPS5988946U (en) | input circuit | |
| JPS5928713U (en) | Power supply output voltage confirmation signal sending circuit | |
| JPS60166001U (en) | Control device using microcomputer | |
| JPS6098070U (en) | Carrier detection circuit | |
| JPS6135441U (en) | Noise signal removal circuit | |
| JPS5971179U (en) | Frequency-voltage converter | |
| JPS5840940U (en) | pulse generator | |
| JPS6021971U (en) | pulse identification circuit | |
| JPS58149849U (en) | Ringer signal detection device | |
| JPS6093496U (en) | AC/DC voltage conversion circuit |