Patent
Secure property device
TLDR
In this article, a secure property device utilizing radiant energy reflectors applied to a magnetic data member is provided in which the diffusivity of reflections from the reflectors is enhanced by means of a polymeric diffuser which is chemically and optically compatible with reflectors and with the magnetic data members to which it is applied.Abstract:
A secure property device utilizing radiant energy reflectors applied to a magnetic data member is provided in which the diffusivity of reflections from the reflectors is enhanced by means of a polymeric diffuser which is chemically and optically compatible with the reflectors and with the magnetic data member to which it is applied.read more
Citations
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Patent
Non-counterfeitable document system
TL;DR: In this paper, a system is disclosed for authenticating an object on the basis of certain physical phenomena or character, specifically, measurable, but not practicably duplicable random variations in the object.
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References
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Patent
Identification card having a reference beam coded hologram
TL;DR: In this article, a beam scrambler is used to introduce random path distances in either the reference or object beam during the formation of the hologram, which can be used for identifying persons, articles, documents and the like using a coded hologram.
Patent
Secure property document and system
Foote Francis C,Charles K. Beck +1 more
TL;DR: In this article, a secure property document and system are provided which prevents the use of fraudulent credit cards and other documents, each include optical and magnetic data sets, each data set contains data elements having a spacial relationship to at least some of the data elements contained in the other data set.
Patent
Protective coatings for magnetically codable credit card
TL;DR: The magnetic stripe of a plastic credit card is protected from abrasion and wear by precisely coating the stripe in a manner which does not adversely affect the readability of the magnetically encoded stripe as mentioned in this paper.
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Removable pressure-sensitive adhesive sheet material
TL;DR: In this paper, a flexible self-sustaining backing is coated with a stable viscous copolymer latex formed from monomers of alkyl acrylates, minor amounts of certain emulsifier monomers, and if desired, zwitterionic monomers.
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Plastic laminated metallic foil and method for preparing the same
TL;DR: In this paper, a plastic laminated metallic foil is prepared by laminating a first layer of a polymer selected from the group consisting of polyethylene, ethylene-vinyl acetate copolymers, polyylene-unsaturated carboxylic acid ester copolymics, and other copolymer types.