CA1027160A - Linear motor actuator for disk drive - Google Patents

Linear motor actuator for disk drive

Info

Publication number
CA1027160A
CA1027160A CA217,423A CA217423A CA1027160A CA 1027160 A CA1027160 A CA 1027160A CA 217423 A CA217423 A CA 217423A CA 1027160 A CA1027160 A CA 1027160A
Authority
CA
Canada
Prior art keywords
disk drive
linear motor
motor actuator
actuator
linear
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
CA217,423A
Other languages
French (fr)
Other versions
CA217423S (en
Inventor
Gordon F. Hughes
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.)
Xerox Corp
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of CA1027160A publication Critical patent/CA1027160A/en
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
CA217,423A 1974-02-14 1975-01-06 Linear motor actuator for disk drive Expired CA1027160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US442727A US3889139A (en) 1974-02-14 1974-02-14 Linear motor actuator

Publications (1)

Publication Number Publication Date
CA1027160A true CA1027160A (en) 1978-02-28

Family

ID=23757916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA217,423A Expired CA1027160A (en) 1974-02-14 1975-01-06 Linear motor actuator for disk drive

Country Status (3)

Country Link
US (1) US3889139A (en)
CA (1) CA1027160A (en)
GB (1) GB1496012A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4136293A (en) * 1977-11-07 1979-01-23 International Business Machines Corporation Multi-actuator system using single magnetic circuit
US4247794A (en) * 1978-03-27 1981-01-27 International Business Machines Corporation Linear actuator
US4439699A (en) * 1982-01-18 1984-03-27 International Business Machines Corporation Linear moving coil actuator
US4743987A (en) * 1982-02-26 1988-05-10 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
US4414594A (en) * 1982-02-26 1983-11-08 Atasi Corporation Linear actuator for a memory storage apparatus
JPS59127572A (en) * 1982-12-29 1984-07-23 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション Magnetic actuator
US4631431A (en) * 1984-07-30 1986-12-23 Priam Corporation Linear motor having improved magnetic characteristics
US4652779A (en) * 1984-10-30 1987-03-24 Magnetic Peripherals Inc. Center pole for rotary actuator coil with lowered inductance
US4882508A (en) * 1988-03-14 1989-11-21 International Business Machines Dual flux path voice coil motor
US6380649B1 (en) * 1999-11-02 2002-04-30 Gsi Lumoniss Corporation Galvanometer unit
WO2005027313A1 (en) * 2003-09-05 2005-03-24 Gsi Lumonics Corporation Composite rotor and output shaft for galvanometer motor and method of manufacture thereof
US7777600B2 (en) 2004-05-20 2010-08-17 Powerpath Technologies Llc Eddy current inductive drive electromechanical liner actuator and switching arrangement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161793A (en) * 1960-09-13 1964-12-15 Nat Res Dev Electrical machines involving the reciprocation of moving parts
US3467925A (en) * 1966-11-30 1969-09-16 Intern Mechanical Vibration La Electromagnetic vibration apparatus
US3505544A (en) * 1968-02-09 1970-04-07 Data Products Corp Linear motor
US3723779A (en) * 1970-06-22 1973-03-27 Information Magnetics Corp Compensated linear motor
US3659124A (en) * 1970-09-28 1972-04-25 Vernitron Corp Linear motion motor with rectangular coil construction
US3723780A (en) * 1971-07-06 1973-03-27 Information Magnetics Corp Self shielding linear motor
BE795400A (en) * 1972-02-14 1973-08-14 Xerox Corp SPEAKER MOTOR WITHOUT LOSS FLOW
US3743870A (en) * 1972-06-28 1973-07-03 Ltv Ling Altec Inc Moving coil linear actuator

Also Published As

Publication number Publication date
GB1496012A (en) 1977-12-21
US3889139A (en) 1975-06-10

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