NL7414800A - Magnetische omzetkop. - Google Patents

Magnetische omzetkop.

Info

Publication number
NL7414800A
NL7414800A NL7414800A NL7414800A NL7414800A NL 7414800 A NL7414800 A NL 7414800A NL 7414800 A NL7414800 A NL 7414800A NL 7414800 A NL7414800 A NL 7414800A NL 7414800 A NL7414800 A NL 7414800A
Authority
NL
Netherlands
Prior art keywords
magnetic converter
converter head
head
magnetic
converter
Prior art date
Application number
NL7414800A
Other languages
English (en)
Other versions
NL165592C (nl
NL165592B (nl
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of NL7414800A publication Critical patent/NL7414800A/nl
Publication of NL165592B publication Critical patent/NL165592B/nl
Application granted granted Critical
Publication of NL165592C publication Critical patent/NL165592C/nl

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
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL7414800.A 1973-12-17 1974-11-13 Magnetisch omzetkopstelsel. NL165592C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US425518A US3881194A (en) 1973-12-17 1973-12-17 Electromagnetically switched record/reproduce head having separate windings and core legs for each mode

Publications (3)

Publication Number Publication Date
NL7414800A true NL7414800A (nl) 1975-06-19
NL165592B NL165592B (nl) 1980-11-17
NL165592C NL165592C (nl) 1981-04-15

Family

ID=23686901

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7414800.A NL165592C (nl) 1973-12-17 1974-11-13 Magnetisch omzetkopstelsel.

Country Status (13)

Country Link
US (1) US3881194A (nl)
JP (1) JPS5340526B2 (nl)
AT (1) AT342326B (nl)
BE (1) BE823164A (nl)
CA (1) CA1025553A (nl)
CH (1) CH586442A5 (nl)
DE (1) DE2459694C3 (nl)
FR (1) FR2254850B1 (nl)
GB (1) GB1494096A (nl)
IT (1) IT1023284B (nl)
NL (1) NL165592C (nl)
NO (1) NO143359C (nl)
SU (1) SU673201A3 (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227225A (en) * 1977-05-12 1980-10-07 Matsushita Electric Industrial Co., Ltd. Magnetic head assembly
US4402027A (en) * 1981-08-18 1983-08-30 Matsushita Electric Industrial Co., Ltd. Magnetic transducer with built-in step-up transformer
US4533967A (en) * 1982-10-22 1985-08-06 Ampex Corporation Multiple leg multichannel magnetic transducer structure and method of manufacturing
DE3346876A1 (de) * 1983-12-23 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Kombinierter schreib- und lese-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums
NL8501144A (nl) * 1985-04-19 1986-11-17 Philips Nv Magnetische overdrachtskop.
JPH0668810B2 (ja) * 1985-09-30 1994-08-31 株式会社東芝 フロッピーディスク装置
DE3813400A1 (de) * 1988-04-21 1989-11-02 Thomson Brandt Gmbh Magnetkopf fuer einen recorder
JPH02232803A (ja) * 1989-03-06 1990-09-14 Nec Corp 磁気ヘッド
US5502522A (en) * 1994-05-12 1996-03-26 Eastman Kodak Company Compact magnetic head for a photographic camera
US5978186A (en) * 1996-03-14 1999-11-02 Matsushita Electric Industrial Co., Ltd. Magnetic head and reproducing apparatus with head having central core with winding thereabout and wire therethrough
US6541967B1 (en) * 1999-11-23 2003-04-01 Hoton How Methods of using fluxgate magnetometer on measuring remote and dynamic magnetic signals
US8134801B2 (en) * 2007-03-19 2012-03-13 Dimambro Bryan Electromagnetic data storage devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891236A (en) * 1953-05-25 1959-06-16 Burroughs Corp Electromagnetic transducer

Also Published As

Publication number Publication date
NO143359B (no) 1980-10-13
SU673201A3 (ru) 1979-07-05
NL165592C (nl) 1981-04-15
JPS5340526B2 (nl) 1978-10-27
DE2459694B2 (de) 1977-12-22
DE2459694C3 (de) 1978-08-31
AT342326B (de) 1978-03-28
FR2254850B1 (nl) 1977-10-28
DE2459694A1 (de) 1975-06-26
CA1025553A (en) 1978-01-31
IT1023284B (it) 1978-05-10
NL165592B (nl) 1980-11-17
BE823164A (fr) 1975-04-01
ATA1005874A (de) 1977-07-15
US3881194A (en) 1975-04-29
JPS5093410A (nl) 1975-07-25
NO744535L (nl) 1975-07-14
CH586442A5 (nl) 1977-03-31
FR2254850A1 (nl) 1975-07-11
NO143359C (no) 1981-01-21
GB1494096A (en) 1977-12-07

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Legal Events

Date Code Title Description
SNR Assignments of patents or rights arising from examined patent applications

Owner name: AMPEX SYSTEMS CORPORATION

V4 Discontinued because of reaching the maximum lifetime of a patent