DE3774102D1 - APPARATUS FOR PROTECTION AGAINST THE MAGNETISC RIVER, THE ITEMS THAT CAN BE CHANGED BY A MAGNETIC RIVER, ESPECIALLY MAGNETIC RECORDING MEDIA. - Google Patents

APPARATUS FOR PROTECTION AGAINST THE MAGNETISC RIVER, THE ITEMS THAT CAN BE CHANGED BY A MAGNETIC RIVER, ESPECIALLY MAGNETIC RECORDING MEDIA.

Info

Publication number
DE3774102D1
DE3774102D1 DE8787904887T DE3774102T DE3774102D1 DE 3774102 D1 DE3774102 D1 DE 3774102D1 DE 8787904887 T DE8787904887 T DE 8787904887T DE 3774102 T DE3774102 T DE 3774102T DE 3774102 D1 DE3774102 D1 DE 3774102D1
Authority
DE
Germany
Prior art keywords
river
magnetic
magnetisc
items
changed
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 - Lifetime
Application number
DE8787904887T
Other languages
German (de)
Inventor
Christian Lesage
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR8610960A external-priority patent/FR2602906B1/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3774102D1 publication Critical patent/DE3774102D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

DE8787904887T 1986-07-29 1987-07-21 APPARATUS FOR PROTECTION AGAINST THE MAGNETISC RIVER, THE ITEMS THAT CAN BE CHANGED BY A MAGNETIC RIVER, ESPECIALLY MAGNETIC RECORDING MEDIA. Expired - Lifetime DE3774102D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8610960A FR2602906B1 (en) 1986-07-29 1986-07-29 MATERIAL FOR PRODUCING PROTECTION DEVICES AGAINST THE MAGNETIC ENVIRONMENT OF OBJECTS HAVING A MAGNETIC INSCRIPTION MEDIUM, AND PROTECTION DEVICES MADE OF SUCH MATERIAL
PCT/FR1987/000290 WO1988001091A1 (en) 1986-07-29 1987-07-21 Device for protecting against an environing magnetic flux, objects susceptible of being altered by a magnetic flux, particularly objects presenting a carrier medium for magnetic inscriptions

Publications (1)

Publication Number Publication Date
DE3774102D1 true DE3774102D1 (en) 1991-11-28

Family

ID=26225407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787904887T Expired - Lifetime DE3774102D1 (en) 1986-07-29 1987-07-21 APPARATUS FOR PROTECTION AGAINST THE MAGNETISC RIVER, THE ITEMS THAT CAN BE CHANGED BY A MAGNETIC RIVER, ESPECIALLY MAGNETIC RECORDING MEDIA.

Country Status (2)

Country Link
DE (1) DE3774102D1 (en)
NO (1) NO171756C (en)

Also Published As

Publication number Publication date
NO881259D0 (en) 1988-03-22
NO171756C (en) 1993-04-28
NO171756B (en) 1993-01-18
NO881259L (en) 1988-03-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee