van Renesse, 2000 - Google Patents
Synergistic combination of document security techniquesvan Renesse, 2000
View PDF- Document ID
- 102630469413816459
- Author
- van Renesse R
- Publication year
- Publication venue
- Optical security and counterfeit deterrence techniques III
External Links
Snippet
The value of security features tends to decrease gradually, partly because of the continuously increasing ability of counterfeiters to counterfeit or imitate these features and partly because of the increasing capability and availability of equipment. As a …
- 238000000034 method 0 title abstract description 31
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
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