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AssigneeSecurency Pty Ltd
InventorsJohn Charles Taylor, Bruce Alfred Hardwick, Wayne Kevin Jackson, Paul Zientek, Cameron Rex Hibbert
Estimating the term…
A self-verifying security document, such as a banknote (1) comprises a flexible sheet formed from a plastics substrate (2) bearing indicia (3). The sheet bas a window (5) of transparent plastics material which includes self-verification means (11) for verifying a security device (4) provided at a laterally spaced second portion of the sheet when the sheet is bent or folded to bring the window (5) into register with the security device (4). The self-verification means may be an optical lens (11) for reading an area of microprinting (10). In another embodiment, the self-verification means may be an optical filter (21) for viewing an area (22) printed with metameric inks. In other embodiments, the self-verification means and the security device (4) may be polarising windows (31, 32) or Moire inducing patterns (41, 42).
A secure and/or valuable document, such as a banknote, with security features and with a verification element for verifying the security feature, wherein at least one verification element and at least one security feature verifiable by means of said verification element are integrated into the document in various places, and the verification element and the security element are laid over one another when verification is to be performed.
Dependencies are inferred from the claim text.