JPS59180774U - ultrasonic oscillator - Google Patents

ultrasonic oscillator

Info

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
Application number
JP7636383U
Other languages
Japanese (ja)
Inventor
政信 井ノ江
宇仁菅 修一
Original Assignee
シャープ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP7636383U priority Critical patent/JPS59180774U/en
Publication of JPS59180774U publication Critical patent/JPS59180774U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 振動子を共振周波数で駆動させる超音波発振器において
、 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.
JP7636383U 1983-05-20 1983-05-20 ultrasonic oscillator Pending JPS59180774U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567669A (en) * 1979-06-29 1981-01-26 Tohoku Metal Ind Ltd Ultrasonic oscillating circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JPS59180774U (en) ultrasonic oscillator
JPH033481U (en)
JPS5827963U (en) Frequency stabilization laser device
JPS6067556U (en) clock regeneration circuit
JPS60172441U (en) Phase-locked oscillator circuit
JPS6114578U (en) color synchronization circuit
JPS5856317U (en) Tape recorder bias current supply circuit
JPS6090943U (en) radio receiver with clock
JPS5923298U (en) Chiyotsupa power control circuit
JPH01124769U (en)
JPS5883992U (en) Phase synchronization control circuit
JPS6027539U (en) CVCF commercial synchronous circuit by UJT
JPS6118614U (en) voltage controlled oscillation circuit
JPS59174733U (en) pulse generator
JPH0165525U (en)
JPS59109923U (en) Electromagnetic flowmeter with low frequency excitation method
JPS59124338U (en) Cylindrical vibrating transducer
JPS6148204A (en) Bias oscillator for tape recorder
JPS5936687U (en) Motional feedback speaker device
JPS5819509U (en) Oscillation circuit device
JPS58144929U (en) PLL synthesizer tuner
JPS59147312U (en) Crystal oscillation divider circuit
JPS6027561U (en) horizontal deflection circuit
JPS60164218U (en) vibration control device
JPS6127U (en) Liquid level measurement circuit