SE438222B - Apparat for reproducering av informationssignaler som er registrerade i ett spar pa en registreringsberare - Google Patents

Apparat for reproducering av informationssignaler som er registrerade i ett spar pa en registreringsberare

Info

Publication number
SE438222B
SE438222B SE7813380A SE7813380A SE438222B SE 438222 B SE438222 B SE 438222B SE 7813380 A SE7813380 A SE 7813380A SE 7813380 A SE7813380 A SE 7813380A SE 438222 B SE438222 B SE 438222B
Authority
SE
Sweden
Prior art keywords
voltage
blade
bimorph
bimorph blade
signal
Prior art date
Application number
SE7813380A
Other languages
English (en)
Swedish (sv)
Other versions
SE7813380L (sv
Inventor
H 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 SE7813380L publication Critical patent/SE7813380L/xx
Publication of SE438222B publication Critical patent/SE438222B/sv

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)
SE7813380A 1977-12-29 1978-12-28 Apparat for reproducering av informationssignaler som er registrerade i ett spar pa en registreringsberare SE438222B (sv)

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 (2)

Publication Number Publication Date
SE7813380L SE7813380L (sv) 1979-06-30
SE438222B true SE438222B (sv) 1985-04-01

Family

ID=15666162

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7813380A SE438222B (sv) 1977-12-29 1978-12-28 Apparat for reproducering av informationssignaler som er registrerade i ett spar pa en registreringsberare

Country Status (16)

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

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Also Published As

Publication number Publication date
CA1132707A (en) 1982-09-28
DK153608B (da) 1988-08-01
GB2011734B (en) 1982-08-18
JPS6123569B2 (nl) 1986-06-06
SE7813380L (sv) 1979-06-30
DE2856508A1 (de) 1979-07-12
ES476411A1 (es) 1979-11-16
DE2856508C2 (nl) 1993-07-29
IT7831422A0 (it) 1978-12-29
DK153608C (da) 1989-01-02
AU523309B2 (en) 1982-07-22
FR2413840A1 (fr) 1979-07-27
CH626764A5 (nl) 1981-11-30
GB2011734A (en) 1979-07-11
NL7812079A (nl) 1979-07-03
BR7808536A (pt) 1979-07-10
AU4226078A (en) 1979-07-05
NL191375B (nl) 1995-01-16
FR2413840B1 (fr) 1985-11-22
IT1101699B (it) 1985-10-07
NL191375C (nl) 1995-06-16
JPS5492307A (en) 1979-07-21
US4237399A (en) 1980-12-02
AT374940B (de) 1984-06-12
ATA936778A (de) 1983-10-15
DK584878A (da) 1979-06-30
SU1367845A3 (ru) 1988-01-15

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