JPS6467286A - Drive circuit for ultrasonic oscillator - Google Patents

Drive circuit for ultrasonic oscillator

Info

Publication number
JPS6467286A
JPS6467286A JP22333287A JP22333287A JPS6467286A JP S6467286 A JPS6467286 A JP S6467286A JP 22333287 A JP22333287 A JP 22333287A JP 22333287 A JP22333287 A JP 22333287A JP S6467286 A JPS6467286 A JP S6467286A
Authority
JP
Japan
Prior art keywords
ultrasonic vibrator
resonance frequency
vibrator transducer
sweep
transducer
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
JP22333287A
Other languages
Japanese (ja)
Inventor
Shoichi Gotanda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP22333287A priority Critical patent/JPS6467286A/en
Publication of JPS6467286A publication Critical patent/JPS6467286A/en
Pending legal-status Critical Current

Links

Landscapes

  • Turning (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

PURPOSE: To make it possible to periodically dive an ultrasonic vibrator transducer always at a resonance frequency by driving the ultrasonic vibrator transducer by the oscillation signal of such a sweep generator of which the sweep range includes the fluctuation range of the resonance frequency of the ultrasonic vibrator transducer. CONSTITUTION: The frequency of the output signal of the sweep means consisting of a saw tooth wave oscillator 11 and a voltage control oscillator 12 is repetitively changed within the prescribed range inclusive of the resonance frequency of the ultrasonic vibrator transducer 14. The ultrasonic vibrator transducer 14 is driven by the output signal of the sweep means in an electric power amplifier 13. Consequently, even if the resonance frequency of the ultrasonic vibrator transducer is changed by the fluctuation of load, etc., the ultrasonic vibrator transducer may be periodically driven always at the resonance frequency.
JP22333287A 1987-09-07 1987-09-07 Drive circuit for ultrasonic oscillator Pending JPS6467286A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22333287A JPS6467286A (en) 1987-09-07 1987-09-07 Drive circuit for ultrasonic oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22333287A JPS6467286A (en) 1987-09-07 1987-09-07 Drive circuit for ultrasonic oscillator

Publications (1)

Publication Number Publication Date
JPS6467286A true JPS6467286A (en) 1989-03-13

Family

ID=16796495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22333287A Pending JPS6467286A (en) 1987-09-07 1987-09-07 Drive circuit for ultrasonic oscillator

Country Status (1)

Country Link
JP (1) JPS6467286A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009165947A (en) * 2008-01-15 2009-07-30 Sansha Electric Mfg Co Ltd Ultrasonic washing device
US8668685B2 (en) 2002-10-23 2014-03-11 Olympus Corporation Electric operation system
WO2018061493A1 (en) * 2016-09-27 2018-04-05 オムロンヘルスケア株式会社 Ultrasonic oscillator driving device and mesh-type nebulizer
JP2019058857A (en) * 2017-09-26 2019-04-18 山田電器工業株式会社 Sparkling beverage foaming device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8668685B2 (en) 2002-10-23 2014-03-11 Olympus Corporation Electric operation system
JP2009165947A (en) * 2008-01-15 2009-07-30 Sansha Electric Mfg Co Ltd Ultrasonic washing device
WO2018061493A1 (en) * 2016-09-27 2018-04-05 オムロンヘルスケア株式会社 Ultrasonic oscillator driving device and mesh-type nebulizer
JP2018051456A (en) * 2016-09-27 2018-04-05 オムロンヘルスケア株式会社 Ultrasonic vibrator driving device and mesh type nebulizer
US11752279B2 (en) 2016-09-27 2023-09-12 Omron Healthcare Co., Ltd. Ultrasonic vibrator driving apparatus and mesh nebulizer
JP2019058857A (en) * 2017-09-26 2019-04-18 山田電器工業株式会社 Sparkling beverage foaming device

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