NL155388B - Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop. - Google Patents

Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop.

Info

Publication number
NL155388B
NL155388B NL676712006A NL6712006A NL155388B NL 155388 B NL155388 B NL 155388B NL 676712006 A NL676712006 A NL 676712006A NL 6712006 A NL6712006 A NL 6712006A NL 155388 B NL155388 B NL 155388B
Authority
NL
Netherlands
Prior art keywords
head
magnetic assembly
writing
reading
reading head
Prior art date
Application number
NL676712006A
Other languages
English (en)
Dutch (nl)
Other versions
NL6712006A (oth
Inventor
Jacob Koorneef
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
Priority to NL676712006A priority Critical patent/NL155388B/xx
Priority to US753125A priority patent/US3603941A/en
Priority to DE19681774735 priority patent/DE1774735C3/de
Priority to GB41092/68A priority patent/GB1219688A/en
Priority to SE11583/68A priority patent/SE354737B/xx
Priority to AT835868A priority patent/AT288061B/de
Priority to BE720144D priority patent/BE720144A/xx
Priority to ES357632A priority patent/ES357632A1/es
Publication of NL6712006A publication Critical patent/NL6712006A/xx
Publication of NL155388B publication Critical patent/NL155388B/xx

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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
NL676712006A 1967-08-31 1967-08-31 Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop. NL155388B (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL676712006A NL155388B (nl) 1967-08-31 1967-08-31 Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop.
US753125A US3603941A (en) 1967-08-31 1968-08-16 Combination of two or more shielded magnetic heads having at least one writing head and at least one reading head
DE19681774735 DE1774735C3 (de) 1967-08-31 1968-08-23 Magnetkopfanordnung mit einem Abschirmgehäuse und Verfahren zu seiner Herstellung
GB41092/68A GB1219688A (en) 1967-08-31 1968-08-28 Magnetic head combination
SE11583/68A SE354737B (oth) 1967-08-31 1968-08-28
AT835868A AT288061B (de) 1967-08-31 1968-08-28 Anordnung von zwei oder mehr Magnetköpfen mit mindestens einem Schreib- und mindestens einem Lesekopf
BE720144D BE720144A (oth) 1967-08-31 1968-08-29
ES357632A ES357632A1 (es) 1967-08-31 1968-08-29 Un dispositivo formado por la combinacion de dos o mas ca- bezas magneticas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL676712006A NL155388B (nl) 1967-08-31 1967-08-31 Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop.

Publications (2)

Publication Number Publication Date
NL6712006A NL6712006A (oth) 1969-03-04
NL155388B true NL155388B (nl) 1977-12-15

Family

ID=19801079

Family Applications (1)

Application Number Title Priority Date Filing Date
NL676712006A NL155388B (nl) 1967-08-31 1967-08-31 Een magneetkopstelsel met ten minste een schrijfkop en ten minste een leeskop.

Country Status (7)

Country Link
US (1) US3603941A (oth)
AT (1) AT288061B (oth)
BE (1) BE720144A (oth)
ES (1) ES357632A1 (oth)
GB (1) GB1219688A (oth)
NL (1) NL155388B (oth)
SE (1) SE354737B (oth)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787807A (fr) * 1971-08-21 1973-02-21 Philips Nv Tete magnetique a deux entrefers
IT949830B (it) * 1972-03-03 1973-06-11 Honeywell Spa Testina magnetica bitraccia
US3806902A (en) * 1972-05-15 1974-04-23 Nortronics Co Magnetic head read-to-write gap crossfeed shielding
JPS5619512A (en) * 1979-07-24 1981-02-24 Olympus Optical Co Ltd Magnetic head unit
US4425594A (en) * 1981-09-28 1984-01-10 Obedineni Zavodi Za Zapametyavashti Ustroystva Ceramic-ferrite head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852618A (en) * 1956-04-02 1958-09-16 Hughes Aircraft Co Electro-magnetic transducer
US3043918A (en) * 1956-08-10 1962-07-10 Cambridge Instr Company Inc Magnetic head and method of operation
US3079467A (en) * 1958-07-29 1963-02-26 Rca Corp Magnetic head construction
DE1104202B (de) * 1959-04-18 1961-04-06 Agfa Ag Wechselfeldloescheinrichtung fuer magnetische Speicher
US3064333A (en) * 1959-06-29 1962-11-20 Ibm Method of making a magnetic transducer
US3042753A (en) * 1960-05-23 1962-07-03 Nippon Denkionkyo Kabushikikai Magnetic recorder
US3211843A (en) * 1962-03-29 1965-10-12 Nortronics Co Multi-channel electromagnetic head structures
US3432839A (en) * 1966-12-09 1969-03-11 Ibm Magnetic multihead assembly with shielding means

Also Published As

Publication number Publication date
US3603941A (en) 1971-09-07
AT288061B (de) 1971-02-25
NL6712006A (oth) 1969-03-04
SE354737B (oth) 1973-03-19
ES357632A1 (es) 1970-03-16
GB1219688A (en) 1971-01-20
BE720144A (oth) 1969-02-28

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