Forgery-proof information carrier
AssigneeAgfa-Gevaert
InventorFritz Kirstein
Life of this patent
Estimating the term…
Abstract
An identity card for information is provided by the imprint of security figures on the card or the exposure of features in the data carrier insert. The data carrier may be a photographic silver halide layer of a recording material. In addition to the photograph and data about the owner there is provided a film covering the information carrier with externally applied imprints. The shapes of these external imprints are identical to the security features on the insert and are positioned exactly above said features.
Claims6
An information carrier comprising an information-carrying sheet-like insert
- security features imprinted in ink on at least one surface of said insert, said ink having a visible spectral range and including ink which may become visible with an aid,
- a pair of films each covering one of the respective plane surfaces of the insert and firmly joined thereto
- and at least one of said covering films having an externally applied imprint
- impressed on the outer surface of the film in identical shape correspondence to security features for overlying the security feature with an imprint exactly positioned over the security feature.
An information carrier comprising an information-carrying sheet-like insert
- security features applied photographically on at least one surface of said insert, said photographic feature having a visible spectral range and including a feature which may become visible with an aid,
- a pair of films each covering one of the respective plane surfaces of the insert and firmly joined thereto
- and at least one of said covering films having an externally applied imprint
- impressed on the outer surface of the film in identical shape correspondence to security feature for overlying the security feature with an imprint exactly positioned over the security feature.
Dependencies are inferred from the claim text.