Security element in the form of a thread or be embedded in security and methods of producing it
First Claim
1. A security element in a form of a thread or strip, the security element comprising a transparent plastic film having an opaque coating extending over the element with blank areas corresponding to patterns, at least some of the blank areas being present in an edge area of the element and constituting a coding that is machine readable.
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Accused Products
Abstract
A security element in the form of a thread or strip to be embedded in security documents such as bank notes, checks, bonds, identity cards, credit cards or the like, having characters, patterns, etc., that are readable by transmitted light to the naked eye and/or by machine. The security element consists of a transparent plastic film having an opaque coating extending over the element with blank areas in the form of the characters and patterns to be introduced. The security element also contains, in areas congruent with the blank areas, coloring and/or luminescent substances which cause the characters and/or patterns to differ from the security document and from the opaque coating by color contrast under suitable light conditions.
139 Citations
18 Claims
- 1. A security element in a form of a thread or strip, the security element comprising a transparent plastic film having an opaque coating extending over the element with blank areas corresponding to patterns, at least some of the blank areas being present in an edge area of the element and constituting a coding that is machine readable.
- 4. A security element in a form of a thread or strip, the security element comprising a transparent plastic film having an opaque coating extending over the element with blank areas corresponding to patterns, and optically effective structures that overlap at least partially with the blank areas.
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9. A security element in a form of a thread or strip, the security element comprising a transparent plastic film having a coating extending over the element with blank areas corresponding to patterns, said coating having dichroic properties.
- 10. Film material for security elements, comprising a transparent plastic film having an opaque coating with blank areas corresponding to patterns.
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16. A security document with a security element in a form of a thread or strip, the security element comprising a transparent plastic film having an opaque coating extending over the element with the blank areas corresponding to patterns, at least some of the blank areas being present in an edge area of the element and constituting a coding that is machine readable.
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17. A security document comprising a security element in a form of a thread or strip, the security element comprising a transparent plastic film having an opaque coating extending over the element with blank areas corresponding to patterns and optically effective structures that overlap at least partly with the blank areas.
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18. A security document comprising a security element in a form of a thread or strip, the security element comprising a transparent plastic film having a coating extending over the element with blank areas corresponding to patterns, said coating having dichroic properties.
Specification