JPS59180774U - ultrasonic oscillator - Google Patents
ultrasonic oscillatorInfo
- Publication number
- JPS59180774U JPS59180774U JP7636383U JP7636383U JPS59180774U JP S59180774 U JPS59180774 U JP S59180774U JP 7636383 U JP7636383 U JP 7636383U JP 7636383 U JP7636383 U JP 7636383U JP S59180774 U JPS59180774 U JP S59180774U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic oscillator
- transducer
- phase difference
- drives
- detecting
- 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
- Cleaning By Liquid Or Steam (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (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図は振動子の位相差を説明する図、第２図は振動子
の負荷（液深）と位相差の関係図、第３図は本考案の実
施例に係る超音波発振器のブロック構成図である。
１・・・・・・振動子、２・・・・・・電圧検出回路、
３・・・・・・電流検出回路、４・・・・・・位相差比
較回路、５・・・・・・位相補正回路、６・・・・・・
制御回路、７・・・・・・ＶＣＯ（電圧制御型発振器）
、８・・・・・・増幅器。Fig. 1 is a diagram explaining the phase difference of the transducer, Fig. 2 is a diagram showing the relationship between the load (liquid depth) of the transducer and the phase difference, and Fig. 3 is the block configuration of the ultrasonic oscillator according to the embodiment of the present invention. It is a diagram. 1... Vibrator, 2... Voltage detection circuit,
3... Current detection circuit, 4... Phase difference comparison circuit, 5... Phase correction circuit, 6...
Control circuit, 7...VCO (voltage controlled oscillator)
, 8...Amplifier.
Claims (1)
、 振動子に印加される電圧と該振動子に流れる電流との位
相差を検出する検出手段と、 前記位相差が一定になる様に発振周波数を制御する制御
手段と を具備することを特徴とする超音波発振器。[Claims for Utility Model Registration] An ultrasonic oscillator that drives a transducer at a resonant frequency, comprising: a detection means for detecting a phase difference between a voltage applied to the transducer and a current flowing through the transducer; 1. An ultrasonic oscillator comprising: control means for controlling an oscillation frequency to be constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7636383U JPS59180774U (en) | 1983-05-20 | 1983-05-20 | ultrasonic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7636383U JPS59180774U (en) | 1983-05-20 | 1983-05-20 | ultrasonic oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59180774U true JPS59180774U (en) | 1984-12-03 |
Family
ID=30206409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7636383U Pending JPS59180774U (en) | 1983-05-20 | 1983-05-20 | ultrasonic oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59180774U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067545A (en) * | 2009-09-28 | 2011-04-07 | Fujifilm Corp | Ultrasonic cleaning apparatus |
| JP2011072907A (en) * | 2009-09-30 | 2011-04-14 | Fujifilm Corp | Ultrasonic cleaning apparatus |
| WO2011132891A2 (en) * | 2010-04-22 | 2011-10-27 | (주)이미지스테크놀로지 | Vibration generator for adaptive control of frequency matching characteristics |
| JP2011255320A (en) * | 2010-06-09 | 2011-12-22 | Hitachi Kokusai Denki Engineering:Kk | Ultrasonic oscillation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567669A (en) * | 1979-06-29 | 1981-01-26 | Tohoku Metal Ind Ltd | Ultrasonic oscillating circuit |
-
1983
- 1983-05-20 JP JP7636383U patent/JPS59180774U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567669A (en) * | 1979-06-29 | 1981-01-26 | Tohoku Metal Ind Ltd | Ultrasonic oscillating circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011067545A (en) * | 2009-09-28 | 2011-04-07 | Fujifilm Corp | Ultrasonic cleaning apparatus |
| JP2011072907A (en) * | 2009-09-30 | 2011-04-14 | Fujifilm Corp | Ultrasonic cleaning apparatus |
| WO2011132891A2 (en) * | 2010-04-22 | 2011-10-27 | (주)이미지스테크놀로지 | Vibration generator for adaptive control of frequency matching characteristics |
| WO2011132891A3 (en) * | 2010-04-22 | 2012-01-05 | (주)이미지스테크놀로지 | Vibration generator for adaptive control of frequency matching characteristics |
| JP2011255320A (en) * | 2010-06-09 | 2011-12-22 | Hitachi Kokusai Denki Engineering:Kk | Ultrasonic oscillation device |
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