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CH428250A - Löschkopf - Google Patents

Löschkopf

Info

Publication number
CH428250A
CH428250A CH266464A CH266464A CH428250A CH 428250 A CH428250 A CH 428250A CH 266464 A CH266464 A CH 266464A CH 266464 A CH266464 A CH 266464A CH 428250 A CH428250 A CH 428250A
Authority
CH
Switzerland
Prior art keywords
erase head
erase
head
Prior art date
Application number
CH266464A
Other languages
English (en)
Inventor
Schager Gerold
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH428250A publication Critical patent/CH428250A/de

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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
CH266464A 1963-03-06 1964-03-03 Löschkopf CH428250A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT175163A AT238472B (de) 1963-03-06 1963-03-06 Löschkopf

Publications (1)

Publication Number Publication Date
CH428250A true CH428250A (de) 1967-01-15

Family

ID=3520209

Family Applications (1)

Application Number Title Priority Date Filing Date
CH266464A CH428250A (de) 1963-03-06 1964-03-03 Löschkopf

Country Status (9)

Country Link
US (1) US3373249A (de)
AT (1) AT238472B (de)
BE (1) BE644713A (de)
CH (1) CH428250A (de)
DE (1) DE1228306B (de)
ES (1) ES297195A1 (de)
GB (1) GB1014257A (de)
NL (1) NL144415B (de)
SE (1) SE328724B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821126A (en) * 1985-10-22 1989-04-11 Fuji Photo Film Co., Ltd. Magnetic recording method involving core pieces of different thickness

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230913A (en) * 1936-03-03 1941-02-04 Licentia Gmbh Magnetic sound recorder
US2876294A (en) * 1953-10-19 1959-03-03 Warner Bros Magnetic record control method and circuits
US2747024A (en) * 1954-10-04 1956-05-22 Clevite Corp Magnetic erase heads

Also Published As

Publication number Publication date
SE328724B (de) 1970-09-21
ES297195A1 (es) 1964-08-16
NL6402193A (de) 1964-09-07
GB1014257A (en) 1965-12-22
DE1228306B (de) 1966-11-10
US3373249A (en) 1968-03-12
NL144415B (nl) 1974-12-16
BE644713A (de) 1964-09-04
AT238472B (de) 1965-02-10

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