GB1193843A - Process for the Production of Magnetic Tapes - Google Patents

Process for the Production of Magnetic Tapes

Info

Publication number
GB1193843A
GB1193843A GB34602/67A GB3460267A GB1193843A GB 1193843 A GB1193843 A GB 1193843A GB 34602/67 A GB34602/67 A GB 34602/67A GB 3460267 A GB3460267 A GB 3460267A GB 1193843 A GB1193843 A GB 1193843A
Authority
GB
United Kingdom
Prior art keywords
original
magnetic
particles
field
tape
Prior art date
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.)
Expired
Application number
GB34602/67A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1193843A publication Critical patent/GB1193843A/en
Expired legal-status Critical Current

Links

Classifications

    • 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, 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)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
GB34602/67A 1966-07-29 1967-07-27 Process for the Production of Magnetic Tapes Expired GB1193843A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA0053128 1966-07-29

Publications (1)

Publication Number Publication Date
GB1193843A true GB1193843A (en) 1970-06-03

Family

ID=6938829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34602/67A Expired GB1193843A (en) 1966-07-29 1967-07-27 Process for the Production of Magnetic Tapes

Country Status (5)

Country Link
US (1) US3564156A (de)
BE (1) BE702076A (de)
DE (1) DE1522965C3 (de)
GB (1) GB1193843A (de)
NL (1) NL6710473A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844907A (en) * 1970-03-27 1974-10-29 Fuji Photo Film Co Ltd Method of reproducing magnetization pattern
US3757353A (en) * 1972-03-10 1973-09-04 Bell & Howell Co Information recording by article orientation
US4980782A (en) * 1985-06-03 1990-12-25 Peter Ginkel Software protection and identification system
US4858036A (en) * 1986-08-04 1989-08-15 Peter Ginkel Software protection and identification system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2657932A (en) * 1949-04-16 1953-11-03 Rca Corp Combination photographic and magnetic sound record and method for producing same
US2943908A (en) * 1954-08-02 1960-07-05 Gen Electric Apparatus for recording and portraying a visible magnetic image
US3161544A (en) * 1960-06-14 1964-12-15 Gen Electric Recording and portraying apparatus
US3185777A (en) * 1963-03-27 1965-05-25 Xerox Corp Magnetic recording

Also Published As

Publication number Publication date
US3564156A (en) 1971-02-16
DE1522965B2 (de) 1974-08-01
BE702076A (de) 1968-01-31
DE1522965A1 (de) 1969-10-23
NL6710473A (de) 1967-12-27
DE1522965C3 (de) 1975-03-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee