JPS50130414A - - Google Patents

Info

Publication number
JPS50130414A
JPS50130414A JP49034735A JP3473574A JPS50130414A JP S50130414 A JPS50130414 A JP S50130414A JP 49034735 A JP49034735 A JP 49034735A JP 3473574 A JP3473574 A JP 3473574A JP S50130414 A JPS50130414 A JP S50130414A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP49034735A
Other languages
Japanese (ja)
Other versions
JPS5419253B2 (US07118763-20061010-C00002.png
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 filed Critical
Priority to JP3473774A priority Critical patent/JPS539845B2/ja
Priority to JP3473674A priority patent/JPS5419254B2/ja
Priority to JP3473574A priority patent/JPS5419253B2/ja
Priority to DE19757509343 priority patent/DE7509343U/de
Priority to DE19752512897 priority patent/DE2512897A1/de
Publication of JPS50130414A publication Critical patent/JPS50130414A/ja
Priority to US05/913,909 priority patent/US4186364A/en
Publication of JPS5419253B2 publication Critical patent/JPS5419253B2/ja
Expired legal-status Critical Current

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
    • G11B5/325—Erasing heads using permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • 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
    • Y10T29/49034—Treating to affect magnetic properties
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP3473574A 1974-03-29 1974-03-29 Expired JPS5419253B2 (US07118763-20061010-C00002.png)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3473774A JPS539845B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473674A JPS5419254B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473574A JPS5419253B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
DE19757509343 DE7509343U (de) 1974-03-29 1975-03-24 Vorrichtung zur magnetisierung eines loeschkopfes
DE19752512897 DE2512897A1 (de) 1974-03-29 1975-03-24 Verfahren und vorrichtung zur magnetisierung eines loeschkopfes
US05/913,909 US4186364A (en) 1974-03-29 1978-06-08 Method of magnetizing erasing head

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP3473774A JPS539845B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473674A JPS5419254B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473574A JPS5419253B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
US55965375A 1975-03-18 1975-03-18
US05/913,909 US4186364A (en) 1974-03-29 1978-06-08 Method of magnetizing erasing head

Publications (2)

Publication Number Publication Date
JPS50130414A true JPS50130414A (US07118763-20061010-C00002.png) 1975-10-15
JPS5419253B2 JPS5419253B2 (US07118763-20061010-C00002.png) 1979-07-13

Family

ID=27521634

Family Applications (3)

Application Number Title Priority Date Filing Date
JP3473674A Expired JPS5419254B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473574A Expired JPS5419253B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29
JP3473774A Expired JPS539845B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP3473674A Expired JPS5419254B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP3473774A Expired JPS539845B2 (US07118763-20061010-C00002.png) 1974-03-29 1974-03-29

Country Status (3)

Country Link
US (1) US4186364A (US07118763-20061010-C00002.png)
JP (3) JPS5419254B2 (US07118763-20061010-C00002.png)
DE (1) DE2512897A1 (US07118763-20061010-C00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204530A2 (en) 1985-05-31 1986-12-10 Konica Corporation Method for forming direct positive color image

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121310A (en) * 1976-04-06 1977-10-12 Olympus Optical Co Ltd Erase head using permanent magnet and its magnetizing method
US5131256A (en) * 1989-11-09 1992-07-21 Sofy Hugh M Pivoting transfer unit mount for a stamping press
US5942962A (en) * 1998-10-02 1999-08-24 Quadrant Technology Dipole magnetic structure for producing uniform magnetic field
US6556115B1 (en) 1999-12-17 2003-04-29 Seagate Technology Llc Assembly apparatus for magnetizing magnets
US7549363B2 (en) * 2005-08-26 2009-06-23 Premark Feg L.L.C. Product table for a food slicer with hollow peripheral reinforcements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139567A (en) * 1960-03-25 1964-06-30 Smith & Sons Ltd S Method of permanently magnetizing bodies
US3417295A (en) * 1966-06-08 1968-12-17 Arthur K Littwin Apparatus for and method of magnetizing circumferential members

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204530A2 (en) 1985-05-31 1986-12-10 Konica Corporation Method for forming direct positive color image

Also Published As

Publication number Publication date
US4186364A (en) 1980-01-29
JPS5419254B2 (US07118763-20061010-C00002.png) 1979-07-13
JPS50130415A (US07118763-20061010-C00002.png) 1975-10-15
JPS50130416A (US07118763-20061010-C00002.png) 1975-10-15
JPS539845B2 (US07118763-20061010-C00002.png) 1978-04-08
JPS5419253B2 (US07118763-20061010-C00002.png) 1979-07-13
DE2512897A1 (de) 1975-10-02

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