Identification card with duplicate data

US4597592A · kind A · utility

Inventors

• Thomas Maurer · Munich, DE
• Ludwig Devrient · Vaterstetten, DE

Key dates

• Filing date: Dec 21, 1983
• Grant date: Jul 1, 1986
• Expiry date: Dec 21, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S283/904
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

Data present on identification cards in a high-embossed form are protected against attempted forgery and falsification. This protection consists in providing on the identification card, along with the data record in a high-embossed form, a second identical data record which may be visually tested without auxiliary means and is inscribed in the identification card by means of a laser recorder.