CH450489A - Method of manufacturing a pole piece for a magnetic sound head - Google Patents

Method of manufacturing a pole piece for a magnetic sound head

Info

Publication number
CH450489A
CH450489A CH1002466A CH1002466A CH450489A CH 450489 A CH450489 A CH 450489A CH 1002466 A CH1002466 A CH 1002466A CH 1002466 A CH1002466 A CH 1002466A CH 450489 A CH450489 A CH 450489A
Authority
CH
Switzerland
Prior art keywords
manufacturing
pole piece
sound head
magnetic sound
magnetic
Prior art date
Application number
CH1002466A
Other languages
German (de)
Inventor
Bouwma Jan
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 CH450489A publication Critical patent/CH450489A/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CH1002466A 1965-07-13 1966-07-11 Method of manufacturing a pole piece for a magnetic sound head CH450489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6508992A NL6508992A (en) 1965-07-13 1965-07-13

Publications (1)

Publication Number Publication Date
CH450489A true CH450489A (en) 1968-01-31

Family

ID=19793626

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1002466A CH450489A (en) 1965-07-13 1966-07-11 Method of manufacturing a pole piece for a magnetic sound head

Country Status (7)

Country Link
AT (1) AT280644B (en)
BE (1) BE683927A (en)
CH (1) CH450489A (en)
DE (1) DE1547045B2 (en)
GB (1) GB1148587A (en)
NL (1) NL6508992A (en)
SE (1) SE328725B (en)

Also Published As

Publication number Publication date
DE1547045A1 (en) 1970-10-22
NL6508992A (en) 1967-01-16
GB1148587A (en) 1969-04-16
BE683927A (en) 1967-01-11
SE328725B (en) 1970-09-21
DE1547045B2 (en) 1976-07-22
AT280644B (en) 1970-04-27

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