Patent · US Expired

Method of producing an identification card

US4672891A · kind A · utility

28Cited by

8References

7Claims

0Family size

Assignee

GAO Gesellschaft für Automation und organisation mbH · DE

Inventors

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

Key dates

Filing date	Mar 26, 1986
Grant date	Jun 16, 1987
Priority date	—
Expiry date	Mar 26, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S283/904
WIPO fieldOther consumer goods
WIPO sectorOther 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.