CA925203A - Magnetic transducer displacement control system - Google Patents

Magnetic transducer displacement control system

Info

Publication number
CA925203A
CA925203A CA100066A CA100066A CA925203A CA 925203 A CA925203 A CA 925203A CA 100066 A CA100066 A CA 100066A CA 100066 A CA100066 A CA 100066A CA 925203 A CA925203 A CA 925203A
Authority
CA
Canada
Prior art keywords
control system
displacement control
magnetic transducer
transducer displacement
magnetic
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
CA100066A
Other languages
English (en)
Other versions
CA100066S (en
Inventor
I. Prentky Peter
Fred Kurzweil, Jr.
E. Hasty Charles
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA925203A publication Critical patent/CA925203A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
    • G05D15/01—Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CA100066A 1969-12-31 1970-12-08 Magnetic transducer displacement control system Expired CA925203A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88944169A 1969-12-31 1969-12-31

Publications (1)

Publication Number Publication Date
CA925203A true CA925203A (en) 1973-04-24

Family

ID=25395095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100066A Expired CA925203A (en) 1969-12-31 1970-12-08 Magnetic transducer displacement control system

Country Status (6)

Country Link
US (1) US3632900A (OSRAM)
JP (1) JPS506774B1 (OSRAM)
CA (1) CA925203A (OSRAM)
DE (1) DE2061327C3 (OSRAM)
FR (1) FR2072751A5 (OSRAM)
GB (1) GB1317316A (OSRAM)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942313A (OSRAM) * 1972-08-22 1974-04-20
US3863124A (en) * 1973-02-15 1975-01-28 Ncr Co Aerodynamic spacing control apparatus for maintaining a desired spacing between a signal transducer and a recording surface by sensing electrical noise
JPS5212866U (OSRAM) * 1975-07-16 1977-01-29
US4040103A (en) * 1976-02-05 1977-08-02 Sperry Rand Corporation Shock force compensating system
US4088215A (en) * 1976-12-10 1978-05-09 Ncr Corporation Record media compensation means for printers
US4146911A (en) * 1977-12-23 1979-03-27 Burroughs Corporation Head spacing control
US4263630A (en) * 1978-12-07 1981-04-21 International Business Machines Corporation Uniformly loaded opposite magnetic transducer assembly
JPS636938B2 (OSRAM) * 1979-08-02 1988-02-13 Yunishisu Corp
US4315223A (en) * 1979-09-27 1982-02-09 American Microsystems, Inc. CMOS Operational amplifier with improved frequency compensation
JPS62250570A (ja) * 1986-04-22 1987-10-31 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 記憶装置用変換器
US5031055A (en) * 1987-10-20 1991-07-09 Nec Corporation Data storage apparatus with head displacement sensor
US4814907A (en) * 1987-11-24 1989-03-21 Goor Associates, Inc. Method and apparatus for maintaining constant flying height via magnetic interaction
US5021906A (en) * 1989-10-31 1991-06-04 International Business Machines Corporation Programmable air bearing slider including magnetic read/write element
JPH041949A (ja) * 1990-04-18 1992-01-07 Canon Inc 情報入力及び／または取出し装置
JPH08329538A (ja) * 1995-05-30 1996-12-13 Hewlett Packard Co <Hp> プローブ装置
US5991113A (en) * 1997-04-07 1999-11-23 Seagate Technology, Inc. Slider with temperature responsive transducer positioning
WO1998048415A1 (en) * 1997-04-24 1998-10-29 Digital Papyrus Corporation A flying magnetic head positioner having rotational fine positioning and adjustable actuator load
US6624984B2 (en) 2000-05-25 2003-09-23 Seagate Technology Llc Fly height control slider with crown and cross curve de-coupling

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL246212A (OSRAM) * 1959-12-08
US3401383A (en) * 1964-12-10 1968-09-10 Bell Telephone Labor Inc Transducer displacement detector
US3493693A (en) * 1967-04-24 1970-02-03 Bell & Howell Co Transducer head pressure control apparatus having adjustable pressure feature
US3526726A (en) * 1967-09-27 1970-09-01 Ampex Piezoelectric transducer assembly for positioning a magnetic record/reproduce head

Also Published As

Publication number Publication date
US3632900A (en) 1972-01-04
FR2072751A5 (OSRAM) 1971-09-24
DE2061327C3 (OSRAM) 1980-10-09
GB1317316A (en) 1973-05-16
DE2061327A1 (OSRAM) 1971-07-08
DE2061327B2 (OSRAM) 1980-01-31
JPS506774B1 (OSRAM) 1975-03-18

Similar Documents

Publication Publication Date Title
CA991753A (en) Computer control system
CA925203A (en) Magnetic transducer displacement control system
AU464493B2 (en) Boiler-turbine control system
CA928827A (en) Servo control system
CA988164A (en) Magnetic flowmeter system
CA925993A (en) Control system
CA925597A (en) Total-regulation control system
CA938466A (en) Control system
CA995793A (en) Electronic braking control system
CA924412A (en) Acoustic direction sensing systems
CA922018A (en) Magnetic transducer
CA967663A (en) Control system
AU5288373A (en) Control system
CA824811A (en) Magnetic transducer
CA824293A (en) Magnetic transducer
CA812427A (en) Magnetic transducer
CA807332A (en) Magnetic transducer
CA840033A (en) Magnetic transducer system
AU432526B2 (en) Position transducing system
CA808278A (en) Magnetic system
CA826897A (en) Dimensional control system
CA803641A (en) Servo control system
CA857530A (en) Reference signal servo system
CA910992A (en) Control system
CA916796A (en) Control system