NO115365B - - Google Patents

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Publication number
NO115365B
NO115365B NO157001A NO15700165A NO115365B NO 115365 B NO115365 B NO 115365B NO 157001 A NO157001 A NO 157001A NO 15700165 A NO15700165 A NO 15700165A NO 115365 B NO115365 B NO 115365B
Authority
NO
Norway
Prior art keywords
plate
circuits
magnetic
recording
oxidic
Prior art date
Application number
NO157001A
Other languages
English (en)
Norwegian (no)
Inventor
J Geurst
G Walther
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 NO115365B publication Critical patent/NO115365B/no

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/265Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/29Structure 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)
NO157001A 1964-03-04 1965-03-01 NO115365B (instruction)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL646402126A NL145380B (nl) 1964-03-04 1964-03-04 Dubbelspleets magneetkop.

Publications (1)

Publication Number Publication Date
NO115365B true NO115365B (instruction) 1968-09-23

Family

ID=19789461

Family Applications (1)

Application Number Title Priority Date Filing Date
NO157001A NO115365B (instruction) 1964-03-04 1965-03-01

Country Status (11)

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

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
FR1428262A (fr) 1966-02-11
AT251307B (de) 1966-12-27
CH417994A (de) 1966-07-31
SE308739B (instruction) 1969-02-24
DK111964B (da) 1968-10-28
DE1474418A1 (de) 1969-05-08
BE660457A (instruction) 1965-09-01
ES310003A1 (es) 1965-06-01
NL145380B (nl) 1975-03-17
NL6402126A (instruction) 1965-09-06
GB1065481A (en) 1967-04-19

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