JPS6327945B2 - - Google Patents

Info

Publication number
JPS6327945B2
JPS6327945B2 JP18695580A JP18695580A JPS6327945B2 JP S6327945 B2 JPS6327945 B2 JP S6327945B2 JP 18695580 A JP18695580 A JP 18695580A JP 18695580 A JP18695580 A JP 18695580A JP S6327945 B2 JPS6327945 B2 JP S6327945B2
Authority
JP
Japan
Prior art keywords
voice coil
carriage assembly
load
carriage
center
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
JP18695580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57110069A (en
Inventor
Yasuyuki Ozawa
Shinji Okada
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18695580A priority Critical patent/JPS57110069A/ja
Publication of JPS57110069A publication Critical patent/JPS57110069A/ja
Publication of JPS6327945B2 publication Critical patent/JPS6327945B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
JP18695580A 1980-12-26 1980-12-26 Voice coil type linear motor Granted JPS57110069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18695580A JPS57110069A (en) 1980-12-26 1980-12-26 Voice coil type linear motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18695580A JPS57110069A (en) 1980-12-26 1980-12-26 Voice coil type linear motor

Publications (2)

Publication Number Publication Date
JPS57110069A JPS57110069A (en) 1982-07-08
JPS6327945B2 true JPS6327945B2 ( ) 1988-06-06

Family

ID=16197642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18695580A Granted JPS57110069A (en) 1980-12-26 1980-12-26 Voice coil type linear motor

Country Status (1)

Country Link
JP (1) JPS57110069A ( )

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414594A (en) * 1982-02-26 1983-11-08 Atasi Corporation Linear actuator for a memory storage apparatus
GB2129186A (en) * 1982-10-29 1984-05-10 Atasi Corp Disk drive actuator structure
JPS5996564A (ja) * 1982-11-22 1984-06-04 Olympus Optical Co Ltd 記録再生装置
US4466034A (en) * 1982-12-27 1984-08-14 Magnetic Peripherals Inc. Carriage assembly
JPH055831Y2 ( ) * 1984-11-15 1993-02-16
US4813033A (en) * 1985-10-30 1989-03-14 International Business Machines Corporation Two axis electromagnetic actuator with axis balanced suspension
JPH0771390B2 (ja) * 1986-04-30 1995-07-31 シャープ株式会社 リニアモ−タ装置
DE3886930T2 (de) * 1987-10-28 1994-06-09 Oki Electric Ind Co Ltd Optischer kopf.
US5130873A (en) * 1989-05-23 1992-07-14 Mitsubishi Denki Kabushiki Kaisha Head positioning apparatus for disc unit
ES2085367T3 (es) * 1990-04-09 1996-06-01 Nippon Conlux Co Ltd Motor lineal.
EP0486275B1 (en) * 1990-11-14 1997-05-14 Canon Kabushiki Kaisha Objective lens driver
US5195739A (en) * 1991-02-01 1993-03-23 Nippon Conlux Co., Ltd. Apparatus for preventing bills or the like from being pulled out
EP0524839B1 (en) * 1991-07-25 1999-03-10 Canon Kabushiki Kaisha Magnetooptical information record/reproducing method employing floating slider supporting magnetic head, and apparatus therefor

Also Published As

Publication number Publication date
JPS57110069A (en) 1982-07-08

Similar Documents

Publication Publication Date Title
US4942562A (en) Pickup actuator for disk-type media
US4613962A (en) Tracking device with linear motor
JP2778032B2 (ja) 光学ピックアップ装置
JPS6327945B2 ( )
EP0404438A2 (en) Optical pick-up head apparatus
JPS58207859A (ja) リニアモ−タのための可動磁石型予備負荷支持構造
US4823219A (en) Carriage recording head sandwiched by electromagnetic coil sections
EP0486275B1 (en) Objective lens driver
JP2002050061A (ja) 光ピックアップ組立体
US5299083A (en) Read/write head positioning mechanism for flexible disk drive device
US5341053A (en) Linear motor with permanent magnets
JPS648537B2 ( )
US5130873A (en) Head positioning apparatus for disc unit
JPS6260909B2 ( )
JP2766286B2 (ja) リニアアクチュエータ
JPS62165774A (ja) ヘツド位置決め機構
JPH055831Y2 ( )
JPH0119588Y2 ( )
JPH0538444Y2 ( )
JPH0453190Y2 ( )
JP3204504B2 (ja) 可動コイル型リニアモータ
JPS6343627Y2 ( )
JP2787218B2 (ja) 光学式情報記録再生装置
JPH0243267B2 ( )
EP0397322A2 (en) An actuator magnetic circuit and method therefore