FR2135672A1 - - Google Patents

Info

Publication number
FR2135672A1
FR2135672A1 FR7216351A FR7216351A FR2135672A1 FR 2135672 A1 FR2135672 A1 FR 2135672A1 FR 7216351 A FR7216351 A FR 7216351A FR 7216351 A FR7216351 A FR 7216351A FR 2135672 A1 FR2135672 A1 FR 2135672A1
Authority
FR
France
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.)
Granted
Application number
FR7216351A
Other languages
French (fr)
Other versions
FR2135672B1 (US08197722-20120612-C00093.png
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2135672A1 publication Critical patent/FR2135672A1/fr
Application granted granted Critical
Publication of FR2135672B1 publication Critical patent/FR2135672B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
FR727216351A 1971-05-06 1972-05-08 Expired FR2135672B1 (US08197722-20120612-C00093.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106185A NL7106185A (US08197722-20120612-C00093.png) 1971-05-06 1971-05-06

Publications (2)

Publication Number Publication Date
FR2135672A1 true FR2135672A1 (US08197722-20120612-C00093.png) 1972-12-22
FR2135672B1 FR2135672B1 (US08197722-20120612-C00093.png) 1973-07-13

Family

ID=19813095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727216351A Expired FR2135672B1 (US08197722-20120612-C00093.png) 1971-05-06 1972-05-08

Country Status (6)

Country Link
US (1) US3735163A (US08197722-20120612-C00093.png)
CA (1) CA960773A (US08197722-20120612-C00093.png)
DE (1) DE2221743A1 (US08197722-20120612-C00093.png)
FR (1) FR2135672B1 (US08197722-20120612-C00093.png)
GB (1) GB1381143A (US08197722-20120612-C00093.png)
NL (1) NL7106185A (US08197722-20120612-C00093.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449319A1 (fr) * 1979-02-15 1980-09-12 Schlueter Electronic Memoire a disques magnetiques
EP0430378A2 (en) * 1985-11-20 1991-06-05 Seagate Technology, Inc. Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001889A (en) * 1972-10-05 1977-01-04 Digital Equipment Corporation Moving carriage for disk head positioner
US3838455A (en) * 1973-03-05 1974-09-24 Ibm Head carriage assembly for magnetic disk storage apparatus
US3896319A (en) * 1974-04-17 1975-07-22 Control Data Corp Linear motor
US4006372A (en) * 1975-03-10 1977-02-01 Wangco Incorporated Transducer positioner
US4016441A (en) * 1976-05-19 1977-04-05 The Singer Company Linear motor
US4247794A (en) * 1978-03-27 1981-01-27 International Business Machines Corporation Linear actuator
DE2846599A1 (de) * 1978-10-26 1980-04-30 Basf Ag Vorrichtung zum positionieren von gegenstaenden geringer masse
US4300176A (en) * 1979-06-04 1981-11-10 Microcomputer Systems Corp. Fixed disc head actuator assembly
US4331990A (en) * 1979-10-18 1982-05-25 Burroughs Corporation Flat coil linear actuator for multiple transducer arms
US4314295A (en) * 1979-10-18 1982-02-02 Burroughs Corporation Linear actuator with staggered flat coils
US4287445A (en) * 1980-04-21 1981-09-01 Sperry Corporation High performance disk drive actuator
US4331991A (en) * 1980-07-02 1982-05-25 Storage Technology Corporation Head actuator for magnetic disk drive
US4415941A (en) * 1981-06-29 1983-11-15 Atasi Corporation Linear actuator for memory storage device
DE3129212A1 (de) * 1981-07-24 1983-02-10 Basf Ag, 6700 Ludwigshafen Vorrichtung zum positionieren von gegenstaenden geringer masse
WO1983001872A1 (en) * 1981-11-16 1983-05-26 Dma Systems Corp Combined linear motor and carriage
US4743987A (en) * 1982-02-26 1988-05-10 Atasi Corporation Linear actuator for a memory storage apparatus
US4414594A (en) * 1982-02-26 1983-11-08 Atasi Corporation Linear actuator for a memory storage apparatus
USRE32285E (en) * 1982-02-26 1986-11-11 Atasi Corporation Linear actuator for a memory storage apparatus
JPS6069868A (ja) * 1983-09-27 1985-04-20 Toshiba Corp 磁気ディスク装置のヘッドアクセス機構
US4631431A (en) * 1984-07-30 1986-12-23 Priam Corporation Linear motor having improved magnetic characteristics
US4730227A (en) * 1984-12-19 1988-03-08 International Business Machines Corporation Disk file actuator with combined carriage rail and isolator mount for drive magnet
US4967296A (en) * 1985-11-20 1990-10-30 Seagate Technology, Inc. Lightweight, rigid, compact configuration for the voice coil, carriage and printed circuit cable in a disc drive
JPS62175972A (ja) * 1986-01-29 1987-08-01 Hitachi Ltd リニアアクチユエ−タ組立体
JPS63249457A (ja) * 1987-04-03 1988-10-17 Toshiba Corp リニアアクチユエ−タ
US5124971A (en) * 1988-07-12 1992-06-23 Nec Corporation Optical head driving device
US5012367A (en) * 1989-12-01 1991-04-30 Seagate Technology, Inc. Removable ball staked head gimbal assembly
US5191705A (en) * 1989-12-01 1993-03-09 Seagate Technology Inc. Combination for removably supporting a magnetic transducer carrying arm
US5035044A (en) * 1989-12-01 1991-07-30 Seagate Technology, Inc. Method for removing ball staked head gimbal assembly
JP2870112B2 (ja) * 1990-04-13 1999-03-10 三菱電機株式会社 フレキシブルディスク装置
US5097584A (en) * 1990-04-13 1992-03-24 Seagate Technology, Inc. Method for predicting twist out torque in a swage mount
US5142770A (en) * 1990-04-13 1992-09-01 Seagate Technology, Inc. Apparatus for predicting twist out torque in a swage mount
US5347413A (en) * 1992-11-13 1994-09-13 Seagate Technology, Inc. De-swaging technique for head gimbal assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449319A1 (fr) * 1979-02-15 1980-09-12 Schlueter Electronic Memoire a disques magnetiques
EP0430378A2 (en) * 1985-11-20 1991-06-05 Seagate Technology, Inc. Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive
EP0430378A3 (en) * 1985-11-20 1991-09-11 Seagate Technology, Inc. Lightweight rigid compact configuration for the voice coil carriage and printed circuit cable in a disc drive

Also Published As

Publication number Publication date
DE2221743A1 (de) 1972-11-16
FR2135672B1 (US08197722-20120612-C00093.png) 1973-07-13
GB1381143A (en) 1975-01-22
NL7106185A (US08197722-20120612-C00093.png) 1972-11-08
CA960773A (en) 1975-01-07
US3735163A (en) 1973-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse