DE2852795C2 - - Google Patents

Info

Publication number
DE2852795C2
DE2852795C2 DE2852795A DE2852795A DE2852795C2 DE 2852795 C2 DE2852795 C2 DE 2852795C2 DE 2852795 A DE2852795 A DE 2852795A DE 2852795 A DE2852795 A DE 2852795A DE 2852795 C2 DE2852795 C2 DE 2852795C2
Authority
DE
Germany
Prior art keywords
ceramic
electric field
transducer
ferroelectric
voltage
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
DE2852795A
Other languages
German (de)
English (en)
Other versions
DE2852795A1 (de
Inventor
Tomosaburo Kawasaki Kanagawa Jp Kitamura
Yoichi Yokohama Kanagawa Jp Kodera
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP52146468A external-priority patent/JPS5936440B2/ja
Priority claimed from JP52146467A external-priority patent/JPS5936439B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2852795A1 publication Critical patent/DE2852795A1/de
Application granted granted Critical
Publication of DE2852795C2 publication Critical patent/DE2852795C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type
    • H10N30/2042—Cantilevers, i.e. having one fixed end

Landscapes

  • Compositions Of Oxide Ceramics (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE19782852795 1977-12-06 1978-12-06 Elektromechanischer wandler Granted DE2852795A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP52146468A JPS5936440B2 (ja) 1977-12-06 1977-12-06 電気・機械変換素子
JP52146467A JPS5936439B2 (ja) 1977-12-06 1977-12-06 電気・機械変換素子

Publications (2)

Publication Number Publication Date
DE2852795A1 DE2852795A1 (de) 1979-06-07
DE2852795C2 true DE2852795C2 (tr) 1989-06-22

Family

ID=26477299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782852795 Granted DE2852795A1 (de) 1977-12-06 1978-12-06 Elektromechanischer wandler

Country Status (5)

Country Link
CA (1) CA1125343A (tr)
DE (1) DE2852795A1 (tr)
FR (1) FR2411533A1 (tr)
GB (1) GB2012106B (tr)
NL (1) NL185640C (tr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135494A1 (de) * 1981-09-08 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart "kraftstoffeinspritzanlage"
DE3240884A1 (de) * 1982-11-05 1984-05-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Keramisches bistabiles biegeelement
CA1225694A (en) * 1983-12-09 1987-08-18 Nippon Telegraph And Telephone Corporation Piezoelectric actuator using bimorph element
USRE33691E (en) * 1984-12-21 1991-09-17 General Electric Company Piezoelectric ceramic switching devices and systems and method of making the same
DE3532660A1 (de) * 1985-09-13 1987-03-26 Atlas Fahrzeugtechnik Gmbh Kraftstoffeinspritzventil
US4755706A (en) * 1986-06-19 1988-07-05 General Electric Company Piezoelectric relays in sealed enclosures
JPH02240977A (ja) * 1989-03-14 1990-09-25 Toshiba Corp 変位発生装置
JP2538754B2 (ja) * 1993-09-21 1996-10-02 山一電機株式会社 捩れ振動子
IT1288760B1 (it) * 1996-10-17 1998-09-24 Fiat Ricerche Motore elettrostatico lineare
DE10017760C1 (de) * 2000-04-10 2001-08-16 Festo Ag & Co Piezokeramischer Biegewandler sowie Verwendung des piezokeramischen Biegewandlers
DE10149840A1 (de) * 2001-10-10 2003-05-08 Festo Ag & Co Piezokeramischer Biegewandler sowie Verwendung des piezokeramischen Biegewandlers
EP2304758A1 (en) 2008-06-19 2011-04-06 Nxp B.V. Piezoelectric bimorph switch
RU2513030C2 (ru) * 2012-04-10 2014-04-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВПО "НИУ "МЭИ") Реверсивный электростатический микродвигатель вращения

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756353A (en) * 1950-04-10 1956-07-24 Gen Electric Bender-mode piezoelectric device and method of making the same
GB1145371A (en) * 1965-02-24 1969-03-12 Clevite Corp Field responsive devices and materials
US4106065A (en) * 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head

Also Published As

Publication number Publication date
FR2411533A1 (fr) 1979-07-06
CA1125343A (en) 1982-06-08
GB2012106A (en) 1979-07-18
NL7811863A (nl) 1979-06-08
GB2012106B (en) 1982-06-23
FR2411533B1 (tr) 1984-07-06
NL185640C (nl) 1990-06-01
DE2852795A1 (de) 1979-06-07
NL185640B (nl) 1990-01-02

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8330 Complete renunciation