Security device for security substrates
OwnerMark Stephen Bundy, Lawrence George Commander +2inventors
InventorsMark Stephen Bundy, Lawrence George Commander, Malcolm Robert Murray Knight, Timothy Edward Berridge
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Abstract
The invention relates to a security device for security substrates, such as paper, used for making security documents, such as bank notes, having anti-counterfeitable features. The security device comprising a carrier (11) of an at least partially light transmitting polymeric material, said carrier bearing a plurality of fine opaque lines (13) separated by gaps (14). The appearance of the lines is varied at regions, said regions in neighbouring lines combining to provide identifying indicia which are visible to the human eye.
Claims31
A security device for a security substrate, said device comprising:
- a carrier of an at least partially light transmitting polymeric material, said carrier bearing a plurality of fine opaque lines separated by gaps, wherein the appearance of the lines is varied at regions, said regions of varying appearance in neighbouring lines combining to provide identifying indicia which are visible to the human eye.
31-33. (canceled)
Dependencies are inferred from the claim text.