Interactive Holographic Security Element
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United States of America Patent
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Issued Date -
Nov 5, 2009
app pub date -
Oct 4, 2006
filing date -
Oct 11, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an interactive security element comprising at least one volume hologram the latter being responsive to at least one applied external stimulus and exhibits a defined optical effect in form of an image, whereby the optical effect in form of an image is preferably different when being observed at different angles of view and the different images may be observed at least after an external stimulus has been applied, to a method of verifying said interactive security element as well as to the use thereof for verification, identification, authentication or anti-counterfeiting purposes, in particular as a public feature to security products such as banknotes, passports, identification documents, tickets, credit cards, smart cards, etc., and for brand and production protection.
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