JPS5988935U - Frequency discrimination device using piezoelectric tuning fork vibrator - Google Patents
Frequency discrimination device using piezoelectric tuning fork vibratorInfo
- Publication number
- JPS5988935U JPS5988935U JP18356282U JP18356282U JPS5988935U JP S5988935 U JPS5988935 U JP S5988935U JP 18356282 U JP18356282 U JP 18356282U JP 18356282 U JP18356282 U JP 18356282U JP S5988935 U JPS5988935 U JP S5988935U
- Authority
- JP
- Japan
- Prior art keywords
- tuning fork
- piezoelectric tuning
- fork vibrator
- piezoelectric
- coupling capacitor
- 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.)
- Granted
Links
Landscapes
- 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図は従来の周波数弁別装置を宗す回路図、第２図は
本考案の実施例に係わる周波数弁別装置を示す回路図、
第３図は複合入力信号を原理的に示す波形図、第４図は
第１因の従来の周波数弁別装置の出力を原理的に示す波
形図、第５図は第２図の本考案の実施例の周波数弁別装
置の出力を原理的に示す波形図である。
３・・・入力結合コンデンサ、５，６・・・圧電音叉振
動子、７・・・２素子型リードフイルタ、８・・・出力
結合コンデンサ、２１・・・第１の抵抗、２２・・・第
２の抵抗。FIG. 1 is a circuit diagram of a conventional frequency discriminator; FIG. 2 is a circuit diagram of a frequency discriminator according to an embodiment of the present invention;
Fig. 3 is a waveform diagram showing the principle of a composite input signal, Fig. 4 is a waveform diagram showing the output of the conventional frequency discriminator which is the first cause, and Fig. 5 is an implementation of the present invention shown in Fig. 2. FIG. 3 is a waveform diagram showing the output of the example frequency discriminator in principle. 3... Input coupling capacitor, 5, 6... Piezoelectric tuning fork vibrator, 7... Two-element type lead filter, 8... Output coupling capacitor, 21... First resistor, 22... Second resistance.
Claims (1)
ンデンサと、 共振周波数がわずかに異なる第１及び第２の圧電音叉振
動子と、 前記第１の圧電音叉振動子の入力端子と前記入力結合コ
ンデンサとの間に接続された第１の抵抗と、 前記第２の圧電音叉振動子の入力端子と前記入力結合コ
ンデンサとの間に接続された第２あ抵抗と、 前記第１の圧電音叉振動子の出力端子と前記第２の圧電
音叉振動子の出力端子とが夫々接続され且つ出力ライン
に直列に接続された出力結合コンから成る２個の圧電音
叉振動子を使用した周波数弁別装置。[Claims for Utility Model Registration] An input coupling capacitor connected in series to a frequency signal transmission line, first and second piezoelectric tuning fork vibrators having slightly different resonance frequencies, and the first piezoelectric tuning fork vibrator. a first resistor connected between the input terminal of the second piezoelectric tuning fork vibrator and the input coupling capacitor; a second resistor connected between the input terminal of the second piezoelectric tuning fork vibrator and the input coupling capacitor; Two piezoelectric tuning fork vibrators each comprising an output coupling capacitor connected to an output terminal of the first piezoelectric tuning fork vibrator and an output terminal of the second piezoelectric fork vibrator and connected in series to an output line. Frequency discriminator used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18356282U JPS5988935U (en) | 1982-12-03 | 1982-12-03 | Frequency discrimination device using piezoelectric tuning fork vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18356282U JPS5988935U (en) | 1982-12-03 | 1982-12-03 | Frequency discrimination device using piezoelectric tuning fork vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5988935U true JPS5988935U (en) | 1984-06-16 |
| JPH0138986Y2 JPH0138986Y2 (en) | 1989-11-21 |
Family
ID=30397238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18356282U Granted JPS5988935U (en) | 1982-12-03 | 1982-12-03 | Frequency discrimination device using piezoelectric tuning fork vibrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5988935U (en) |
-
1982
- 1982-12-03 JP JP18356282U patent/JPS5988935U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0138986Y2 (en) | 1989-11-21 |
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