EP 0064102 B1 19860226 - DOCUMENT WITH A SECURITY STRIP, AND METHOD OF CHECKING ITS GENUINENESS
Title (en)
DOCUMENT WITH A SECURITY STRIP, AND METHOD OF CHECKING ITS GENUINENESS
Publication
Application
Priority
CH 255881 A 19810416
Abstract (en)
[origin: US4710627A] A security blank includes a sheet, and an elongated security thread connected to the sheet. The security thread may be identified upon being irradiated by electromagnetic radiation by a recognizable signature from radiation scattered therefrom; the cross-section of the security thread is other than circular or rectangular and is substantially constant over a prearranged portion of the length thereof.
IPC 1-7
IPC 8 full level
B41M 3/14 (2006.01); B42D 15/10 (2006.01); B44F 1/12 (2006.01); D21H 21/48 (2006.01); G07D 7/12 (2016.01)
CPC (source: EP US)
D21H 21/48 (2013.01 - EP US); G07D 7/12 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0064102 A2 19821110; EP 0064102 A3 19830810; EP 0064102 B1 19860226; CH 653459 A5 19851231; DE 3173935 D1 19860403; JP S57178895 A 19821104; US 4710627 A 19871201
DOCDB simple family (application)
EP 81110619 A 19811219; CH 255881 A 19810416; DE 3173935 T 19811219; JP 3731782 A 19820311; US 70574185 A 19850226