Global Patent Index - EP 0926630 A3

EP 0926630 A3 2000-09-06 - Method for a digitally printing franking machine to generate and validate a security print

Title (en)

Method for a digitally printing franking machine to generate and validate a security print

Title (de)

Verfahren für eine digital druckende Frankiermaschine zur Erzeugung und Überprüfung eines Sicherheitsabdruckes

Title (fr)

Procédé pour une machine à affranchir avec imprimante numérique pour générer et vérifier un motif destiné à la sécurité

Publication

EP 0926630 A3 (DE)

Application

EP 98119851 A

Priority

  • DE 19748954 A
  • US 98739397 A

Abstract (en)

[origin: DE19748954A1] The method involves generating an asymmetrical pair of keys, consisting of a secret key and a public key. The information to be printed includes a digital signature and unencrypted franking information. Before the data are prepared for printing, the message is asymmetrically encrypted with the secret key. Also claimed is a method of checking the security markings and an Independent claim for producing and checking security markings.

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

G07B 17/00; G07B 17/04

IPC 8 full level (invention and additional information)

G07B 17/00 (2006.01)

CPC (invention and additional information)

G07B 17/00733 (2013.01); G07B 2017/00782 (2013.01); G07B 2017/00967 (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

DE 19748954 A1 19990506; EP 0926630 A2 19990630; EP 0926630 A3 20000906; US 6041704 A 20000328