JPS5325647B2 - - Google Patents

Info

Publication number
JPS5325647B2
JPS5325647B2 JP12042673A JP12042673A JPS5325647B2 JP S5325647 B2 JPS5325647 B2 JP S5325647B2 JP 12042673 A JP12042673 A JP 12042673A JP 12042673 A JP12042673 A JP 12042673A JP S5325647 B2 JPS5325647 B2 JP S5325647B2
Authority
JP
Japan
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
JP12042673A
Other versions
JPS4977617A (ja
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 filed Critical
Publication of JPS4977617A publication Critical patent/JPS4977617A/ja
Publication of JPS5325647B2 publication Critical patent/JPS5325647B2/ja
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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one 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
    • G11B5/127—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
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
    • G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled
JP12042673A 1972-10-27 1973-10-27 Expired JPS5325647B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7214548A NL7214548A (ja) 1972-10-27 1972-10-27

Publications (2)

Publication Number Publication Date
JPS4977617A JPS4977617A (ja) 1974-07-26
JPS5325647B2 true JPS5325647B2 (ja) 1978-07-28

Family

ID=19817244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12042673A Expired JPS5325647B2 (ja) 1972-10-27 1973-10-27

Country Status (6)

Country Link
US (1) US3855618A (ja)
JP (1) JPS5325647B2 (ja)
DE (1) DE2350593A1 (ja)
FR (1) FR2204843B1 (ja)
GB (1) GB1443807A (ja)
NL (1) NL7214548A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431047A (en) * 1979-09-27 1984-02-14 Ube Industries, Ltd. Gas-venting arrangement incorporated with a mold
US4398229A (en) * 1981-08-03 1983-08-09 Eastman Kodak Company Magnetic head with versatile gap

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE844676C (de) * 1949-10-28 1952-07-24 Eberhard Vollmer Magnetischer Tonkopf
US2822428A (en) * 1954-07-13 1958-02-04 Electro Voice Variable gap magnetic tape head
US2928906A (en) * 1954-10-18 1960-03-15 Monroe Calculating Machine Magnetic transducing head with integral adjustment means
US3043919A (en) * 1958-08-19 1962-07-10 Avco Corp Electromagnetic transducer head housing and assembly
US3706861A (en) * 1969-09-18 1972-12-19 Rca Corp Apparatus for mounting and spacing a signal transducer with respect to a recording medium

Also Published As

Publication number Publication date
FR2204843B1 (ja) 1979-04-27
GB1443807A (en) 1976-07-28
FR2204843A1 (ja) 1974-05-24
DE2350593A1 (de) 1974-05-09
NL7214548A (ja) 1974-05-01
US3855618A (en) 1974-12-17
JPS4977617A (ja) 1974-07-26

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