FR2441982B1 - Transducteur a flexion - Google Patents

Transducteur a flexion

Info

Publication number
FR2441982B1
FR2441982B1 FR7927966A FR7927966A FR2441982B1 FR 2441982 B1 FR2441982 B1 FR 2441982B1 FR 7927966 A FR7927966 A FR 7927966A FR 7927966 A FR7927966 A FR 7927966A FR 2441982 B1 FR2441982 B1 FR 2441982B1
Authority
FR
France
Prior art keywords
bending transducer
transducer
bending
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.)
Expired
Application number
FR7927966A
Other languages
English (en)
Other versions
FR2441982A1 (fr
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP13881378A external-priority patent/JPS5917563B2/ja
Priority claimed from JP15998078A external-priority patent/JPS5590121A/ja
Priority claimed from JP13335679A external-priority patent/JPS6040212B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2441982A1 publication Critical patent/FR2441982A1/fr
Application granted granted Critical
Publication of FR2441982B1 publication Critical patent/FR2441982B1/fr
Expired 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR7927966A 1978-11-13 1979-11-13 Transducteur a flexion Expired FR2441982B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13881378A JPS5917563B2 (ja) 1978-11-13 1978-11-13 屈曲振動変換子
JP15998078A JPS5590121A (en) 1978-12-27 1978-12-27 Inflectional vibration converter
JP13335679A JPS6040212B2 (ja) 1979-10-16 1979-10-16 屈曲振動変換子

Publications (2)

Publication Number Publication Date
FR2441982A1 FR2441982A1 (fr) 1980-06-13
FR2441982B1 true FR2441982B1 (fr) 1986-05-09

Family

ID=27316682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927966A Expired FR2441982B1 (fr) 1978-11-13 1979-11-13 Transducteur a flexion

Country Status (4)

Country Link
US (1) US4281298A (fr)
DE (1) DE2945243C2 (fr)
FR (1) FR2441982B1 (fr)
IT (1) IT1124944B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4555682A (en) * 1983-03-02 1985-11-26 Fujitsu Limited Mechanical filter
US4633204A (en) * 1984-08-29 1986-12-30 Fujitsu Limited Mechanical filter
US4742260A (en) * 1986-02-06 1988-05-03 Hiroshi Shimizu Piezoelectrically driving device
US5006824A (en) * 1986-04-07 1991-04-09 Rockwell International Corporation Third mode torsional F-M resonator
DE68908732T2 (de) * 1988-02-03 1994-04-07 Yoshida Kogyo Kk Piezoelektrischer Vibrationserreger und Förderer von Gegenständen mit einem solchen Erreger.
DE69423667T2 (de) * 1993-03-01 2000-11-23 Murata Mfg. Co., Ltd. Piezoelektrischer Vibrator und diesen verwendenden Beschleunigungssensor
JPH1054835A (ja) * 1996-08-12 1998-02-24 Jeol Ltd カンチレバ加振装置
US6322532B1 (en) * 1998-06-24 2001-11-27 3M Innovative Properties Company Sonophoresis method and apparatus
US6654711B1 (en) 1999-06-15 2003-11-25 Seiko Epson Corporation Correction factors for the analysis of piezoelectric devices
US6658376B1 (en) 1999-06-15 2003-12-02 Seiko Epson Corporation Determination of vibration frequency characteristics of electroded crystal plate
AU2001274204A1 (en) * 2000-05-31 2001-12-11 Qinetiq Limited Energy conversion device
US20060284628A1 (en) * 2005-06-16 2006-12-21 Jiun-Der Yu Super element for the prediction of viscosity effect on crystal plate
US11039814B2 (en) * 2016-12-04 2021-06-22 Exo Imaging, Inc. Imaging devices having piezoelectric transducers
CA3105459C (fr) 2018-09-25 2023-08-15 Exo Imaging, Inc. Dispositifs d'imagerie a caracteristiques selectivement modifiables
CN113543717B (zh) 2018-12-27 2024-09-17 艾科索成像公司 以降低的成本、尺寸和功率来保持超声成像中图像质量的方法
JP2021005783A (ja) * 2019-06-26 2021-01-14 セイコーエプソン株式会社 振動片、電子機器、および移動体
IL298685B2 (en) 2020-03-05 2024-08-01 Exo Imaging Inc An ultrasound imaging device with programmable anatomy and flow imaging

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1203321B (de) * 1962-09-12 1965-10-21 Siemens Ag Elektromechanischer Wandler
DE1616526B2 (de) * 1963-05-21 1972-05-18 Siemens AG, 1000 Berlin u. 8000 München Mechanischer schwinger mit elektrostriktiver anregung
US3408514A (en) * 1964-05-19 1968-10-29 Siemens Ag Electromechanical transducer of the electrostrictive type
DE1541656A1 (de) * 1966-08-26 1969-07-24 Telefunken Patent Elektromechanischer Biegewandler
US3543058A (en) * 1969-11-10 1970-11-24 Westinghouse Electric Corp Piezoelectric transducer
JPS4951891A (fr) * 1972-09-19 1974-05-20

Also Published As

Publication number Publication date
US4281298A (en) 1981-07-28
FR2441982A1 (fr) 1980-06-13
IT7927162A0 (it) 1979-11-09
IT1124944B (it) 1986-05-14
DE2945243A1 (de) 1980-05-14
DE2945243C2 (de) 1987-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse