← Back to Patent Explorer
EP0440021A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Identification method for franking and post-marking machines

Assignee: Francotyp Postalia GmbH
•
Filing: 1991-01-08
•
Granted: —
•
Expires: 2011-01-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The method for identifying franking and post-marking machines proposes the additional printing of an unfalsifiable identification feature. This feature is obtained from the interlinking of machine parameters with the date and the charge value to be printed and, if appropriate, numbers of the publicity block by means of a cryptographic algorithm. …<IMAGE>…

Inventors

  • 👤 Klaus Dietrich

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-24 19:31
CPC Classifications
G; G07; G07B; G07B17/00; G07B17/00459; G07B17/00508; G07B17/00733; G07B2017/00572; G07B2017/0058; G07B2017/00822; G07B2017/0083; Y; Y10; Y10S; Y10S283/00; Y10S283/903

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag