Secure photographic method and apparatus

Details Secure photographic method and apparatus Secure photographic method and apparatus

1998-01-22

1999-10-26

Huff, Mark F.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Antifraud or antitampering

430568, 430290, 283 77, 283112, 283904, G03C 176, G03C 177

Patent

active

059725460

ABSTRACT:
The application of Lippmann photographs as a unique security device on security documents, such as, e.g. identity cards, passports, credit cards is presented. The recording of such photographs requires a special type of photosensitive film layer in contact with a reflecting layer. Panchromatic photopolymer materials can be used and, after being recorded and processed, laminated to security documents. Lippmann photographs are almost impossible to copy and, certainly, cannot be copied by conventional photography or color copying machines.

REFERENCES:
patent: 3503050 (1970-03-01), Schools et al.
patent: 3523790 (1970-08-01), Grobin, Jr.
patent: 4054453 (1977-10-01), Grobin, Jr.
patent: 4178181 (1979-12-01), Sawyer
patent: 4835090 (1989-05-01), Sawyer
patent: 5449597 (1995-09-01), Sawyer
patent: 5494787 (1996-02-01), Sawyer
patent: 5605784 (1997-02-01), Sawyer
patent: 5629143 (1997-05-01), Sawyer
patent: 5856048 (1999-01-01), Tahara et al.
Abramson et al, "Sandwich Holography for Strong Information Interferometrically With a High Degree of Security," Applied Optics, vol. 18, No. 12, pp. 2017-2021.

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