Production and verification method for an access...

Registers – Systems controlled by data bearing records – Credit or identification card systems

Reexamination Certificate

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Details

C235S492000, C235S380000, C235S383000, C235S439000, C235S487000

Reexamination Certificate

active

06357656

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a method for producing a non-personal access authorization means and for verifying the access authorization. Furthermore, the object of the invention is an access authorization means, in particular an admission card for carrying out the method as defined by the invention.
2. Prior Art
Admission cards sold by organizers of, for example musical concerts, sporting and cultural as well as other events for the price of attending such events, are the most widely used form of non-personal authorization means, serving the purchasers of such admission cards as access authorization means for attending the respective event.
A growing problem is the unauthorized duplication of admission cards or other type of access authorization means. Duplicates of legally purchased tickets are produced in this connection by means of commonly employed reproduction methods, ranging from photostatic copying to sophisticated printing methods, and such duplicates are then sold illegally. In addition to substantially losses suffered by the organizers, such unauthorized duplication also creates situations that sometimes even may be dangerous for the audience or spectators of such events, because the non-reproducible number of forged admission cards leads to overbooking of the seats available for an event.
For the purpose of preventing such misuse, it is already known in the prior art to produce admission cards that are assumed to be counterfeit-proof. For this purpose, coded information, for example, is imprinted with visible or invisible colors, and in particular paper with metal filaments or other inserts is employed; or water-marks are impressed, or metallic strips microchips are integrated, or holograms are used. It is, in fact, no longer possible to simply duplicate admission cards prepared in such a way. However, it is increasingly found that such signatures practically pose no obstacle to professional, well-equipped counterfeiters, so that forged admission cards can practically not be distinguished from “originals” assumed to be counterfeit-proof.
Another known method, in connection with which each individual admission card is provided with an individual identification code, and access is permitted only if said identification code corresponds with a code contained in a databank, does in fact offer the advantage that the number of admitted persons remains controllable. However, said method is afflicted with the drawback that access no longer can be gained with legally obtained admission cards if the access authorization has been previously invalidated by a forged card. In addition, it is not possible for the public to recognize up front whether an admission card is a forged card or not, because such a forgery cannot be exposed by available relevant control measures.
Another possibility of increasing the security against falsification by detecting personal features, for example fingerprints, would hardly find acceptance by the public in general, on the one hand, and would be deemed more than questionable for data safety protection reasons.
SUMMARY OF THE INVENTION
Based on the situation explained above, the problem of the present invention is to make available a production and verification method for access authorization means, in particular admission cards, as well as suitable access authorization means for implementing said method, such access authorization means offering increased safety against forgery without the use of person-specific features.
For solving said problem, the invention proposes a method with the following steps of the method:
Application of biogenically structured material to the access authorization means;
defined detection of characteristic parameters of the biogenic material;
storage of the recorded parameter data in data sets;
verification by defined measurement of the predetermined parameters and comparison of the parameter data with the available data sets; and
authorization of entry when defined criteria of coincidence are satisfied.
According to the invention, an access authorization means of the type known per se such as, for example an admission ticket consisting of paper, cardboard or plastic, is provided with an organic substrate which practically represents a biogenic signature. For said purpose, a plant substrate with components of leaves or blossoms and also tissue cuts, is undetachably secured on the access authorization means. The use of leaves or petals offers in this connection the advantage that such elements are a regrowing raw material that causes no ecological damage if collected in a careful way.
Suitably, use is made of a plant material with a clearly recognizable structure that permits such material to be identified in a simpler way accordingly. As an alternative, the use of material of animal origin is conceivably possible, employing materials ranging from pieces of tissue up to microbiologically produced substrates. Even the use of fossil preparations is conceivable.
The special advantage offered by the use of such biogenic material as defined by the invention lies in that its—frequently fractured—structure is coincidental to a large extent on the macroscopic scale, so that such a structure represents in each case a type of “biogenic fingerprint” that is absolutely unique with respect to its characteristic structural parameters, i.e. with respect to the parameters of its shape and material.
According to the next-following step of the method as defined by the invention, such characteristic parameters are detected without destruction with the help of pre-defined measuring methods, which, for example, may be locally limited or comprehensive, employing suitable measuring methods. For example, it is possible with the help of optical measuring methods to record, for example the contours of a leaf as well as its nervation in selected areas. Other measured values may contain, for example also the local spectral absorptive power or the like. Organic matter can be distinguished from artificial forgeries by means of simple analysis.
The characteristic parameter data acquired in said manner are stored as data sets in computer data banks and consequently can be handled in a particularly efficient manner. Authorized admission card sales outlets can be easily supplied with data via mass storage media such as CD-ROM or the like.
The access authorization is verified by another defined measurement of the parameters predetermined in the detection process. Said measurements can be carried out in a reproducible way with high accuracy by means of automated measuring equipment, so that the subsequent comparison of the parameter data acquired in said reading process, with the stored data sets previously acquired, permits unambiguous identification.
Access is authorized only once the comparison satisfied the previously defined coincidence criteria, i.e. if such comparison shows conformity of the features within a defined error tolerance range.
The special advantage of the invention lies in that each biogenically structured material specimen is absolutely unique, on the one hand, and impossible to reproduce in all of its details by means of technical production methods with justifiable expenditure, on the other hand, i.e. with each and every detail that can be used as a coincidence criterion. Duplication by means of available printing technology is excluded, for example if only because a leaf of a plant, for example, in addition to its visible pattern, has a spatial structure that is practically familiar to most people of the same cultural complex, so that such a structure consequently can be recognized as such also without any special instructions. Therefore, safe and quick access control is possible in a quick and safe manner even for access control personnel overloaded by work under adverse conditions.
The verification process can be simplified at the same time and made even safer against falsification attempts by acquiring and measuring the parameters according to measuring instructions specified on

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