CH417994A - Multiple magnetic head - Google Patents

Multiple magnetic head

Info

Publication number
CH417994A
CH417994A CH278265A CH278265A CH417994A CH 417994 A CH417994 A CH 417994A CH 278265 A CH278265 A CH 278265A CH 278265 A CH278265 A CH 278265A CH 417994 A CH417994 A CH 417994A
Authority
CH
Switzerland
Prior art keywords
magnetic head
multiple magnetic
head
magnetic
Prior art date
Application number
CH278265A
Other languages
German (de)
Inventor
Albert Geurst Jan
Ludwig Walther George
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 CH417994A publication Critical patent/CH417994A/en

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
    • G11B5/127—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CH278265A 1964-03-04 1965-03-01 Multiple magnetic head CH417994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646402126A NL145380B (en) 1964-03-04 1964-03-04 DOUBLE SLIT MAGNETIC HEAD.

Publications (1)

Publication Number Publication Date
CH417994A true CH417994A (en) 1966-07-31

Family

ID=19789461

Family Applications (1)

Application Number Title Priority Date Filing Date
CH278265A CH417994A (en) 1964-03-04 1965-03-01 Multiple magnetic head

Country Status (11)

Country Link
AT (1) AT251307B (en)
BE (1) BE660457A (en)
CH (1) CH417994A (en)
DE (1) DE1474418A1 (en)
DK (1) DK111964B (en)
ES (1) ES310003A1 (en)
FR (1) FR1428262A (en)
GB (1) GB1065481A (en)
NL (1) NL145380B (en)
NO (1) NO115365B (en)
SE (1) SE308739B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7054360B2 (en) 2001-11-05 2006-05-30 Cellonics Incorporated Pte, Ltd. Method and apparatus for generating pulse width modulated waveforms

Also Published As

Publication number Publication date
AT251307B (en) 1966-12-27
DK111964B (en) 1968-10-28
SE308739B (en) 1969-02-24
DE1474418A1 (en) 1969-05-08
NL145380B (en) 1975-03-17
FR1428262A (en) 1966-02-11
NL6402126A (en) 1965-09-06
ES310003A1 (en) 1965-06-01
GB1065481A (en) 1967-04-19
NO115365B (en) 1968-09-23
BE660457A (en) 1965-09-01

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