CH439973A - Method and apparatus for copying a magnetic signal - Google Patents

Method and apparatus for copying a magnetic signal

Info

Publication number
CH439973A
CH439973A CH609166A CH609166A CH439973A CH 439973 A CH439973 A CH 439973A CH 609166 A CH609166 A CH 609166A CH 609166 A CH609166 A CH 609166A CH 439973 A CH439973 A CH 439973A
Authority
CH
Switzerland
Prior art keywords
copying
magnetic signal
magnetic
signal
Prior art date
Application number
CH609166A
Other languages
German (de)
Inventor
Beardsley Daly Nelson
Wilson Gilbert Walter
Raymond Nacci George
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of CH439973A publication Critical patent/CH439973A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CH609166A 1965-04-27 1966-04-27 Method and apparatus for copying a magnetic signal CH439973A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45476765A 1965-04-27 1965-04-27
US46481165A 1965-06-17 1965-06-17

Publications (1)

Publication Number Publication Date
CH439973A true CH439973A (en) 1967-07-15

Family

ID=27037600

Family Applications (1)

Application Number Title Priority Date Filing Date
CH609166A CH439973A (en) 1965-04-27 1966-04-27 Method and apparatus for copying a magnetic signal

Country Status (4)

Country Link
CH (1) CH439973A (en)
FR (1) FR1554584A (en)
GB (1) GB1139232A (en)
SE (1) SE316630B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154738A1 (en) * 1984-03-12 1985-09-18 Ferix Corporation Media heat curing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154738A1 (en) * 1984-03-12 1985-09-18 Ferix Corporation Media heat curing method

Also Published As

Publication number Publication date
GB1139232A (en) 1969-01-08
DE1499827B2 (en) 1974-02-21
SE316630B (en) 1969-10-27
DE1499827A1 (en) 1970-04-30
FR1554584A (en) 1969-01-24

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