FR1181091A - Magnetic reading and recording head having two air gaps - Google Patents

Magnetic reading and recording head having two air gaps

Info

Publication number
FR1181091A
FR1181091A FR1181091DA FR1181091A FR 1181091 A FR1181091 A FR 1181091A FR 1181091D A FR1181091D A FR 1181091DA FR 1181091 A FR1181091 A FR 1181091A
Authority
FR
France
Prior art keywords
recording head
air gaps
magnetic reading
reading
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
Other languages
French (fr)
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.)
Unisys Corp
Original Assignee
Burroughs 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
Priority claimed from US659779A external-priority patent/US2969529A/en
Application filed by Burroughs Corp filed Critical Burroughs Corp
Application granted granted Critical
Publication of FR1181091A publication Critical patent/FR1181091A/en
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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR1181091D 1956-10-22 1957-08-12 Magnetic reading and recording head having two air gaps Expired FR1181091A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US832426XA 1956-10-22 1956-10-22
US659779A US2969529A (en) 1957-05-17 1957-05-17 Magnetic read-write head having two gaps

Publications (1)

Publication Number Publication Date
FR1181091A true FR1181091A (en) 1959-06-11

Family

ID=26769091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1181091D Expired FR1181091A (en) 1956-10-22 1957-08-12 Magnetic reading and recording head having two air gaps

Country Status (5)

Country Link
CH (1) CH355303A (en)
DE (1) DE1072830B (en)
FR (1) FR1181091A (en)
GB (1) GB832426A (en)
NL (1) NL125946C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233046A (en) * 1960-11-04 1966-02-01 William D Moehring Magnetic head assembly
US3187111A (en) * 1961-01-23 1965-06-01 Ampex Magnetic recording heads with monitor of recorded signal
JPS4868510U (en) * 1971-11-30 1973-08-31
JPS59121613A (en) * 1982-12-28 1984-07-13 Toshiba Corp Magnetic head device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475421A (en) * 1945-05-30 1949-07-05 Armour Res Found Combined erasing and recording magnetic transducer

Also Published As

Publication number Publication date
CH355303A (en) 1961-06-30
NL125946C (en)
DE1072830B (en) 1960-01-07
GB832426A (en) 1960-04-13

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