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JPH033481U - - Google Patents

Info

Publication number
JPH033481U
JPH033481U JP1989063125U JP6312589U JPH033481U JP H033481 U JPH033481 U JP H033481U JP 1989063125 U JP1989063125 U JP 1989063125U JP 6312589 U JP6312589 U JP 6312589U JP H033481 U JPH033481 U JP H033481U
Authority
JP
Japan
Prior art keywords
circuit
ultrasonic transducer
signal
vibration
oscillation
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
Application number
JP1989063125U
Other languages
English (en)
Other versions
JPH0628230Y2 (ja
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 filed Critical
Priority to JP1989063125U priority Critical patent/JPH0628230Y2/ja
Priority to US07/517,348 priority patent/US5001442A/en
Priority to DE4015087A priority patent/DE4015087C2/de
Publication of JPH033481U publication Critical patent/JPH033481U/ja
Application granted granted Critical
Publication of JPH0628230Y2 publication Critical patent/JPH0628230Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0261—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken from a transducer or electrode connected to the driving transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Description

【図面の簡単な説明】
第１図は本考案による超音波振動子の振動制御
装置の一実施例を示すブロツク図、第２図は第１
図の実施例におけるＦＥＴ回路の回路構成の一例
を示す回路図である。第３図は従来の超音波振動
子の振動制御装置の一例を示すブロツク図、第４
図は超音波振動子の振動駆動電圧Ｖ及び駆動電流
Ｉの位相を示すグラフである。 １０……振動制御装置、２……発振回路、２ａ
……抵抗、３……駆動回路、４……トランス、５
……超音波振動子、６……圧電素子、１１，１２
……コンパレータ、１３……位相ずれ検出回路、
１４……差動アンプ、１５……しきい値弁別回路
、１６……ポンプ回路、１７……ＦＥＴ回路、２
０，２１，２２……抵抗、２３……ＦＥＴ、２４
……トランジスタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 発振回路と、該発振回路で発生される駆動周波
    数に基づいて超音波振動子を駆動する駆動回路と
    、該超音波振動子の振動周波数を検出して該発振
    回路にフイードバツクする振動検出子とを含む超
    音波振動子の振動制御回路において、 上記発振回路の自走周波数を決定する抵抗の抵
    抗値を変化させるように接続されたＦＥＴ回路が
    備えられていると共に、超音波振動子における電
    圧及び電流に基づいて該電圧及び電流の相対的な
    位相差を検出する位相差検出回路と、該位相差検
    出回路から入力される位相差に基づいて、該位相
    差が所定値以上の場合に信号を出力するしきい値
    弁別回路と、該しきい値弁別回路からの信号を積
    分するポンプ回路とを備えており、該ポンプ回路
    からの出力信号が所定レベルより高くなつたとき
    上記ＦＥＴ回路の抵抗値を変化させるようにした
    ことを特徴とする、超音波振動子の振動制御回路
    。
JP1989063125U 1989-05-30 1989-05-30 超音波振動子の振動制御装置 Expired - Lifetime JPH0628230Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989063125U JPH0628230Y2 (ja) 1989-05-30 1989-05-30 超音波振動子の振動制御装置
US07/517,348 US5001442A (en) 1989-05-30 1990-05-01 Oscillation control apparatus for ultrasonic oscillator
DE4015087A DE4015087C2 (de) 1989-05-30 1990-05-11 Oszillationssteuergerät für einen Ultraschallwandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989063125U JPH0628230Y2 (ja) 1989-05-30 1989-05-30 超音波振動子の振動制御装置

Publications (2)

Publication Number Publication Date
JPH033481U true JPH033481U (ja) 1991-01-14
JPH0628230Y2 JPH0628230Y2 (ja) 1994-08-03

Family

ID=13220242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989063125U Expired - Lifetime JPH0628230Y2 (ja) 1989-05-30 1989-05-30 超音波振動子の振動制御装置

Country Status (3)

Country Link
US (1) US5001442A (ja)
JP (1) JPH0628230Y2 (ja)
DE (1) DE4015087C2 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146143A (en) * 1988-07-26 1992-09-08 Canon Kabushiki Kaisha Vibration wave driven motor
DE9013686U1 (de) * 1990-10-01 1990-12-06 W. Steenbeck & Co. (GmbH & Co.), 2000 Hamburg Magnetische Abgleichschaltung
JPH04200282A (ja) * 1990-11-29 1992-07-21 Nikon Corp 超音波モータの駆動装置
JPH05328757A (ja) * 1992-05-21 1993-12-10 Canon Inc 振動波アクチュエータの駆動装置
JPH06189566A (ja) * 1992-12-16 1994-07-08 Canon Inc 振動波モータの駆動制御装置
DE4400210A1 (de) * 1994-01-05 1995-08-10 Branson Ultraschall Verfahren und Einrichtung zum Betrieb eines Generators zur HF-Energieversorgung eines Ultraschallwandlers
DE19826549C2 (de) * 1998-06-15 2003-11-13 Siemens Ag Ultraschall-Sendekreis
JP2001258278A (ja) * 2000-03-15 2001-09-21 Minolta Co Ltd トラス型アクチュエータの駆動制御装置
EP1739820B1 (en) * 2004-03-17 2009-06-03 Seiko Epson Corporation Apparatus, method and program for driving a piezoelectric actuator and electronic device comprising the same
JP4621194B2 (ja) * 2006-11-24 2011-01-26 合世生醫科技股▲分▼有限公司 圧電エネルギ生成システムおよびその生成方法
CN103027708A (zh) * 2011-10-09 2013-04-10 北京汇福康医疗技术有限公司 超声换能器的工作状态的监控方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168916A (en) * 1978-03-24 1979-09-25 Stanley Electric Co., Ltd. Ultrasonic oscillator device and machine incorporating the device
US4277758A (en) * 1979-08-09 1981-07-07 Taga Electric Company, Limited Ultrasonic wave generating apparatus with voltage-controlled filter
EP0099415A1 (de) * 1982-07-17 1984-02-01 KRAUTKRÄMER GmbH & Co. Schaltvorrichtung zur Erzeugung von Zägezahnimpulsen und Verwendung derartiger Schaltungsvorrichtungen in Ultraschallmessgeräten
JPH0630734B2 (ja) * 1983-08-05 1994-04-27 多賀電気株式会社 超音波変換器駆動制御方法
DE3625149A1 (de) * 1986-07-25 1988-02-04 Herbert Dipl Ing Gaessler Verfahren zur phasengesteuerten leistungs- und frequenzregelung eines ultraschallwandlers sowie vorrichtung zur durchfuehrung des verfahrens
US4879528A (en) * 1988-08-30 1989-11-07 Olympus Optical Co., Ltd. Ultrasonic oscillation circuit

Also Published As

Publication number Publication date
DE4015087A1 (de) 1990-12-06
DE4015087C2 (de) 1996-12-12
JPH0628230Y2 (ja) 1994-08-03
US5001442A (en) 1991-03-19

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