Global Patent Index - EP 0949598 A3

EP 0949598 A3 20001122 - Electronic anti-theft element

Title (en)

Electronic anti-theft element

Title (de)

Element für die elektronische Artikelsicherung

Title (fr)

Elément antivol électronique

Publication

EP 0949598 A3 20001122 (DE)

Application

EP 99104717 A 19990310

Priority

DE 19815583 A 19980408

Abstract (en)

[origin: EP0949598A2] The element (1) is in the form of a strip or wire of Barkhausen material (2), that for a specific length generates a characteristic signal when located in a magnetic field. Sections (3) of soft magnetic material are set on the surface with a specific spacing, so that their stray magnetic fields are coupled to the strip of Barkhausen material.

IPC 1-7

G08B 13/24

IPC 8 full level

G08B 13/22 (2006.01); G08B 13/24 (2006.01)

CPC (source: EP)

G08B 13/2408 (2013.01); G08B 13/2437 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0949598 A2 19991013; EP 0949598 A3 20001122; EP 0949598 B1 20031203; DE 19815583 A1 19991014; DE 59907905 D1 20040115; DK 0949598 T3 20040329; ES 2212404 T3 20040716; JP 4159697 B2 20081001; JP H11328549 A 19991130; US 6259368 B1 20010710

DOCDB simple family (application)

EP 99104717 A 19990310; DE 19815583 A 19980408; DE 59907905 T 19990310; DK 99104717 T 19990310; ES 99104717 T 19990310; JP 9964999 A 19990407; US 28810299 A 19990408