JPH0161978U - - Google Patents
Info
- Publication number
- JPH0161978U JPH0161978U JP15637287U JP15637287U JPH0161978U JP H0161978 U JPH0161978 U JP H0161978U JP 15637287 U JP15637287 U JP 15637287U JP 15637287 U JP15637287 U JP 15637287U JP H0161978 U JPH0161978 U JP H0161978U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- electrostrictive
- resonant frequency
- resonant circuit
- resonant
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
第１図は本考案実施例の電歪振動子のマツチン
グ回路の構成図、第２図は本考案実施例の電歪振
動子のマツチング回路の特性図、第３図は従来の
電歪振動子のマツチング回路図とその特性図であ
る。
１……電歪振動子、２……第２のコイル、３…
…第１のコイル、４……コンデンサ、５……端子
、６……電歪振動子１のみの特性曲線、７……本
考案の回路のマツチング後の特性曲線、１２……
コイル、１７……従来の回路のマツチング後の特
性曲線、Ａ，Ｂ，Ｃ……本考案の回路のマツチン
グ後の最大効率点、Ｄ……電歪振動子１の主共振
点、Ｅ，Ｆ，Ｇ……従来の回路のマツチング後の
最大効率点、Ｈ……従来の回路に位相調整用フイ
ルタを附加した場合の作動点、ｆＢ……Ｂ点の周
波数、ｆＤ……Ｄ点の周波数、ｆＥ……Ｅ点の周
波数。
Fig. 1 is a configuration diagram of a matching circuit for an electrostrictive resonator according to an embodiment of the present invention, Fig. 2 is a characteristic diagram of a matching circuit for an electrostrictive resonator according to an embodiment of the present invention, and Fig. 3 is a diagram of a conventional electrostrictive resonator. 2 is a matching circuit diagram and its characteristic diagram. 1... Electrostrictive vibrator, 2... Second coil, 3...
...First coil, 4... Capacitor, 5... Terminal, 6... Characteristic curve of only electrostrictive vibrator 1, 7... Characteristic curve after matching of the circuit of the present invention, 12...
Coil, 17... Characteristic curve after matching of the conventional circuit, A, B, C... Maximum efficiency point after matching of the circuit of the present invention, D... Main resonance point of electrostrictive vibrator 1, E, F , G... Maximum efficiency point after matching of the conventional circuit, H... Operating point when a phase adjustment filter is added to the conventional circuit, fB... Frequency at point B, fD... Frequency at point D, fE...Frequency at point E.
Claims (1)
、その共振周波数が電歪振動子の主共振周波数と
ほぼ同じになるようなインダクタンスを持つ第１
のコイルと； 前記並列共振回路と直列に接続さ
れる第２のコイルとコンデンサとからなり、その
共振周波数が前記並列共振回路の共振周波数とほ
ぼ同じである直列共振回路と； を具備すること
を特徴とする電歪振動子のマツチング回路。 A first component that forms a parallel resonant circuit with the capacitance of the electrostrictive resonator and has an inductance such that its resonant frequency is approximately the same as the main resonant frequency of the electrostrictive resonator.
a series resonant circuit comprising a second coil and a capacitor connected in series with the parallel resonant circuit, the resonant frequency of which is approximately the same as the resonant frequency of the parallel resonant circuit; Features a matching circuit for electrostrictive resonators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15637287U JPH0161978U (en) | 1987-10-13 | 1987-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15637287U JPH0161978U (en) | 1987-10-13 | 1987-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0161978U true JPH0161978U (en) | 1989-04-20 |
Family
ID=31434853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15637287U Pending JPH0161978U (en) | 1987-10-13 | 1987-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0161978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0480681A (en) * | 1990-07-23 | 1992-03-13 | Tokai Rika Co Ltd | Drive circuit of ultrasonic vibrator |
-
1987
- 1987-10-13 JP JP15637287U patent/JPH0161978U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0480681A (en) * | 1990-07-23 | 1992-03-13 | Tokai Rika Co Ltd | Drive circuit of ultrasonic vibrator |
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