CH626764A5 - - Google Patents

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Publication number
CH626764A5
CH626764A5 CH1320678A CH1320678A CH626764A5 CH 626764 A5 CH626764 A5 CH 626764A5 CH 1320678 A CH1320678 A CH 1320678A CH 1320678 A CH1320678 A CH 1320678A CH 626764 A5 CH626764 A5 CH 626764A5
Authority
CH
Switzerland
Prior art keywords
voltage
piezoelectric
blade
polarized
bimorph
Prior art date
Application number
CH1320678A
Other languages
English (en)
French (fr)
Inventor
Hitoshi Sakamoto
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of CH626764A5 publication Critical patent/CH626764A5/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
    • 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
    • G11B5/592—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 using bimorph elements supporting the 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
    • 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
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
CH1320678A 1977-12-29 1978-12-28 CH626764A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15818777A JPS5492307A (en) 1977-12-29 1977-12-29 Driving circuit of electrostrictive converter

Publications (1)

Publication Number Publication Date
CH626764A5 true CH626764A5 (de) 1981-11-30

Family

ID=15666162

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1320678A CH626764A5 (de) 1977-12-29 1978-12-28

Country Status (16)

Country Link
US (1) US4237399A (de)
JP (1) JPS5492307A (de)
AT (1) AT374940B (de)
AU (1) AU523309B2 (de)
BR (1) BR7808536A (de)
CA (1) CA1132707A (de)
CH (1) CH626764A5 (de)
DE (1) DE2856508A1 (de)
DK (1) DK153608C (de)
ES (1) ES476411A1 (de)
FR (1) FR2413840B1 (de)
GB (1) GB2011734B (de)
IT (1) IT1101699B (de)
NL (1) NL191375C (de)
SE (1) SE438222B (de)
SU (1) SU1367845A3 (de)

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DE69416054T2 (de) * 1993-08-13 1999-08-05 Sharp K.K., Osaka Aufnahme/Wiedergabegerät und Verfahren zur Kopfhöheeinstellung in einem solchen Gerät
DE19514308A1 (de) * 1995-04-18 1996-10-24 Siemens Ag Ultraschallwandlerkopf mit integrierten steuerbaren Verstärkereinrichtungen
US5825117A (en) * 1996-03-26 1998-10-20 Hewlett-Packard Company Second harmonic imaging transducers
US6362542B1 (en) * 1997-08-15 2002-03-26 Seagate Technology Llc Piezoelectric microactuator for precise head positioning
DE19935768C2 (de) * 1999-07-23 2003-10-09 Auergesellschaft Gmbh Piezoelektrischer akustischer Alarmgeber
US6653762B2 (en) * 2000-04-19 2003-11-25 Murata Manufacturing Co., Ltd. Piezoelectric type electric acoustic converter
DE10023556A1 (de) 2000-05-15 2001-11-29 Festo Ag & Co Piezo-Biegewandler sowie Verwendung desselben
JP2004055410A (ja) * 2002-07-22 2004-02-19 Advantest Corp バイモルフスイッチ、バイモルフスイッチ製造方法、電子回路、及び電子回路製造方法
US7085121B2 (en) * 2002-10-21 2006-08-01 Hrl Laboratories, Llc Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters
US7098577B2 (en) * 2002-10-21 2006-08-29 Hrl Laboratories, Llc Piezoelectric switch for tunable electronic components
US7656071B2 (en) * 2002-10-21 2010-02-02 Hrl Laboratories, Llc Piezoelectric actuator for tunable electronic components
CN1501575B (zh) * 2002-11-15 2010-05-12 松下电器产业株式会社 压电体驱动器及其驱动方法、以及盘记录重放装置
US6964201B2 (en) * 2003-02-25 2005-11-15 Palo Alto Research Center Incorporated Large dimension, flexible piezoelectric ceramic tapes
US7089635B2 (en) * 2003-02-25 2006-08-15 Palo Alto Research Center, Incorporated Methods to make piezoelectric ceramic thick film arrays and elements
US6895645B2 (en) * 2003-02-25 2005-05-24 Palo Alto Research Center Incorporated Methods to make bimorph MEMS devices
WO2005024966A1 (ja) * 2003-09-04 2005-03-17 Nec Corporation 圧電セラミックス素子および携帯機器
DE10346693A1 (de) * 2003-10-08 2005-05-04 Conti Temic Microelectronic Steuerschaltung und Steuerverfahren für ein Piezoventil
US7176600B2 (en) * 2003-12-18 2007-02-13 Palo Alto Research Center Incorporated Poling system for piezoelectric diaphragm structures
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Also Published As

Publication number Publication date
JPS5492307A (en) 1979-07-21
NL191375B (nl) 1995-01-16
DK153608B (da) 1988-08-01
BR7808536A (pt) 1979-07-10
AU4226078A (en) 1979-07-05
US4237399A (en) 1980-12-02
JPS6123569B2 (de) 1986-06-06
DK153608C (da) 1989-01-02
IT1101699B (it) 1985-10-07
SU1367845A3 (ru) 1988-01-15
SE438222B (sv) 1985-04-01
SE7813380L (sv) 1979-06-30
DE2856508C2 (de) 1993-07-29
GB2011734A (en) 1979-07-11
IT7831422A0 (it) 1978-12-29
FR2413840A1 (fr) 1979-07-27
AU523309B2 (en) 1982-07-22
NL191375C (nl) 1995-06-16
ES476411A1 (es) 1979-11-16
ATA936778A (de) 1983-10-15
NL7812079A (nl) 1979-07-03
GB2011734B (en) 1982-08-18
FR2413840B1 (fr) 1985-11-22
DE2856508A1 (de) 1979-07-12
DK584878A (da) 1979-06-30
AT374940B (de) 1984-06-12
CA1132707A (en) 1982-09-28

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