EP 0172765 B1 19891018 - ACCESS-CONTROL METHOD AND SYSTEM INVOLVING THE SENSING OF THE TEXTURE OF A SURFACE
Title (en)
ACCESS-CONTROL METHOD AND SYSTEM INVOLVING THE SENSING OF THE TEXTURE OF A SURFACE
Publication
Application
Priority
FR 8411643 A 19840723
Abstract (en)
[origin: US4677435A] Surface texture reading access checking system. The identification information attached to each support object serving as a key is constituted by the texture of a surface portion of said object. A reader reads this information and communicates it to the processing means, which carry out a comparison between the signal read and recorded signals. Application to the production of locks or access checking means for data processing, telematic, banking and similar systems.
IPC 1-7
IPC 8 full level
E05B 49/00 (2006.01); G07C 9/00 (2006.01); G07F 7/08 (2006.01)
CPC (source: EP US)
G07C 9/00658 (2013.01 - EP US); G07F 7/086 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE GB IT LI LU NL SE
DOCDB simple family (publication)
US 4677435 A 19870630; AT E47458 T1 19891115; CA 1235779 A 19880426; DE 3573819 D1 19891123; EP 0172765 A1 19860226; EP 0172765 B1 19891018; FR 2567947 A1 19860124; FR 2567947 B1 19861226; US RE33553 E 19910312
DOCDB simple family (application)
US 75558285 A 19850716; AT 85401498 T 19850719; CA 487136 A 19850719; DE 3573819 T 19850719; EP 85401498 A 19850719; FR 8411643 A 19840723; US 25363088 A 19881005