Secure photographic method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 26, 1999
Grant Date -
N/A
app pub date -
Jan 22, 1998
filing date -
Jan 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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