Identity card and a method for producing an identity card

Details Identity card and a method for producing an identity card Identity card and a method for producing an identity card

1991-01-28

1992-04-14

Eley, Timothy V.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing superposed layers

283 74, 3461351, B42D 1500

Patent

active

051041499

ABSTRACT:
An identity card, e.g. a check card or credit card, usually has a field in which the card user writes has signature when the card is handed over. A weakness that manipulators of the cards could exploit up to now was that the signature field could be detached and replaced by an imitated signature field. To make such manipulation easily recognizable and thus impede forgery, the invention proposes making the security print (guilloche print), that covers the surroundings of the signature field anyway, extend without interruption across the signature field as well. Whereas it is already extremely difficult to imitate a signature field provided with such a security print, it is virtually impossible to dispose the security print in such a way that is passes continuously from the signature field into the surroundings of the signature field (FIG. 1).

REFERENCES:
patent: 2545804 (1951-03-01), Butler
patent: 4325196 (1982-04-01), Gauch et al.
patent: 4451068 (1984-05-01), Hall et al.
patent: 4544181 (1985-10-01), Maurer et al.
patent: 4560426 (1985-12-01), Moraw
patent: 4627642 (1986-12-01), Peronneau et al.
patent: 4629215 (1986-12-01), Maurer et al.

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