Global Patent Index - EP 1163649 A1

EP 1163649 A1 2001-12-19 - SECURITY DEVICES

Title (en)

SECURITY DEVICES

Title (de)

SICHERHEITSEINRICHTUNGEN

Title (fr)

DISPOSITIFS DE SECURITE

Publication

EP 1163649 A1 (EN)

Application

EP 00912774 A

Priority

  • GB 0001101 W
  • GB 9906814 A

Abstract (en)

[origin: WO0057379A1] A security tag film comprising: a carrier sheet; a layer of a pressure and/or heat sensitive adhesive; and a security structure located between the carrier sheet and the layer of adhesive, the security structure comprising: an active layer of a soft magnetic material; and a patterned deactivation layer of a hard or semi-hard magnetic material located in proximity to the active layer so that magnetisation of the deactivation layer may disrupt the uniformity of magnetisation of the active layer.

IPC 1-7 (main, further and additional classification)

G08B 13/24

IPC 8 full level (invention and additional information)

G01V 15/00 (2006.01); G08B 13/24 (2006.01)

CPC (invention and additional information)

G01V 15/00 (2013.01); G08B 13/24 (2013.01); G03H 2250/10 (2013.01)

Citation (search report)

See references of WO 0057379A1

Designated contracting state (EPC)

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

EPO simple patent family

WO 0057379 A1 20000928; AU 3442100 A 20001009; EP 1163649 A1 20011219; GB 0007127 D0 20000517; GB 2350525 A 20001129; GB 9906814 D0 19990519

INPADOC legal status


2004-01-02 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20030621

2002-03-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020118

2002-02-20 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: FERGUSSON, LYNN SHONA HARDIE

2002-02-20 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: MARSHALL, ALLAN CRAIG

2002-02-20 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: GOODFELLOW, ROBERT JOHN

2002-02-20 [RIN1] INVENTOR CHANGED BEFORE GRANT

- Inventor name: ASLET, JONATHAN RICHARD

2001-12-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20011009

2001-12-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE