FR1173924A - Tête de lecture magnétique flottante - Google Patents

Tête de lecture magnétique flottante

Info

Publication number
FR1173924A
FR1173924A FR1173924DA FR1173924A FR 1173924 A FR1173924 A FR 1173924A FR 1173924D A FR1173924D A FR 1173924DA FR 1173924 A FR1173924 A FR 1173924A
Authority
FR
France
Prior art keywords
read head
magnetic read
floating magnetic
floating
head
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
Other languages
English (en)
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 FR1173924A publication Critical patent/FR1173924A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Measuring Fluid Pressure (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Impact Printers (AREA)
FR1173924D 1955-12-09 1956-12-04 Tête de lecture magnétique flottante Expired FR1173924A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US552005A US2863004A (en) 1955-12-09 1955-12-09 Apparatus for manifesting intelligence on record media

Publications (1)

Publication Number Publication Date
FR1173924A true FR1173924A (fr) 1959-03-04

Family

ID=24203556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1173924D Expired FR1173924A (fr) 1955-12-09 1956-12-04 Tête de lecture magnétique flottante

Country Status (5)

Country Link
US (1) US2863004A (fr)
DE (1) DE1026983B (fr)
FR (1) FR1173924A (fr)
GB (1) GB844631A (fr)
NL (2) NL104709C (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT613938A (fr) * 1957-11-01
US3034110A (en) * 1958-06-30 1962-05-08 Ibm Support device
US3086088A (en) * 1958-06-30 1963-04-16 Ibm Magnetic transducer with shoeequipped floating head
US3069667A (en) * 1958-11-26 1962-12-18 Ibm Transducer apparatus
US3072752A (en) * 1959-10-12 1963-01-08 Ibm Apparatus for manifesting intelligence on record media
US3055987A (en) * 1959-11-25 1962-09-25 Litton Ind Of California Transducer assembly
US3172962A (en) * 1960-03-07 1965-03-09 Netic drum
US3119102A (en) * 1960-09-06 1964-01-21 Ibm Supporting means for transducer assemblies
US3187112A (en) * 1961-01-31 1965-06-01 Ex Ceil O Corp Aerodynamically supported magnetic head construction for magnetic drums, discs and the like
US3140362A (en) * 1961-09-12 1964-07-07 Ex Cell O Corp Magnetic transducer head assemblies
US3245063A (en) * 1961-10-02 1966-04-05 Ex Cell O Corp Magnetic transducer head assemblies
US3323116A (en) * 1962-05-31 1967-05-30 Burroughs Corp Electromagnetic transducer and method of fabrication
US3631425A (en) * 1969-12-29 1971-12-28 Ibm Magnetic head slider with orifice
US4316278A (en) * 1979-12-13 1982-02-16 Mcdonnell Douglas Corporation System for reading or recording indicia on a flexible disc
JPH0316090Y2 (fr) * 1984-09-13 1991-04-08

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB739554A (fr) *
US2761016A (en) * 1951-01-12 1956-08-28 Muller Willy Magnetic sound recording and reproducing head
US2612566A (en) * 1951-06-05 1952-09-30 Bell Telephone Labor Inc Magnetic recording and reproducing system
DE877210C (de) * 1951-07-29 1953-05-21 Siemens Ag Magnettongeraet
US2673249A (en) * 1952-01-24 1954-03-23 Ericsson Telefon Ab L M Magnetic recording and reproducing device
US2685492A (en) * 1952-04-24 1954-08-03 Us Air Force Simplified adjustable magnetic head assembly
US2761910A (en) * 1955-05-02 1956-09-04 Acf Ind Inc Magnetic transducer

Also Published As

Publication number Publication date
GB844631A (en) 1960-08-17
NL212782A (fr)
NL104709C (fr)
DE1026983B (de) 1958-03-27
US2863004A (en) 1958-12-02

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