Document of value
First Claim
1. A document of value comprising a substrate having a security feature in or on one region of the substrate, the security feature including at least one first machine authenticatable high security entity (HSE) and at least one second machine authenticatable entity comprising a low security entity (LSE) or a high security entity, the at least one first machine authenticatable high security entity and the at least one second machine authenticatable entity providing different detectable characteristics, wherein each high security entity is an homogeneous mixture of at least two components exhibiting different detectable characteristics, and the low security entity is a single component exhibiting a detectable characteristic different from the characteristics exhibited by the high security entity.
1 Assignment
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Accused Products
Abstract
A document of value such as a banknote comprises a substrate having a security feature in or on one region of the substrate. The security feature has at least one machine authenticatable high security entity (HSE) and at least one further machine authenticatable entity comprising a low security entity (LSE) or a high security entity, the at least two entites providing different detectable characteristics. The or each HSE is an homogeneous mixture of at least two components exhibiting different detectable characteristics, and the LSE is a single component exhibiting a detectable characteristic different from those exhibited by the HSE.
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Citations
26 Claims
- 1. A document of value comprising a substrate having a security feature in or on one region of the substrate, the security feature including at least one first machine authenticatable high security entity (HSE) and at least one second machine authenticatable entity comprising a low security entity (LSE) or a high security entity, the at least one first machine authenticatable high security entity and the at least one second machine authenticatable entity providing different detectable characteristics, wherein each high security entity is an homogeneous mixture of at least two components exhibiting different detectable characteristics, and the low security entity is a single component exhibiting a detectable characteristic different from the characteristics exhibited by the high security entity.
Specification