| Patents for G07D 7 - Testing specially adapted to determine the identity or genuineness of paper currency or similar valuable papers, e.g. for segregating those which are unacceptable or alien to a currency (13,602) |
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| 08/23/1988 | US4765655 Radioisotope marking of art objects in view of their rapid identification |
| 08/23/1988 | CA1240964A1 Process for checking the authenticity of documents as well as apparatus therefor |
| 08/17/1988 | EP0278740A2 A method for encrypting a code and an encryption device |
| 08/17/1988 | EP0278058A1 Apparatus for checking the authenticity of documents |
| 08/16/1988 | US4764725 Apparatus for detecting counterfeit currency using two coils to produce a saturating magnetic field |
| 08/16/1988 | US4763927 Security document |
| 08/03/1988 | EP0276814A2 Object verification system and method |
| 08/02/1988 | US4761543 Holographic security devices and systems |
| 08/02/1988 | US4761205 Embedding a metalized plastic film during the papermaking process |
| 08/02/1988 | US4761002 Document handling and counting apparatus |
| 08/02/1988 | CA1240059A1 Method and apparatus for currency validation |
| 08/02/1988 | CA1240053A1 Marking process of products in relationship with an organization responsible for the control of said marking |
| 07/20/1988 | EP0222741B1 Thickness measurement device for foil material |
| 07/12/1988 | US4757187 Method for marking products in relation with an organization which is commissioned to check this marking |
| 07/12/1988 | US4756557 Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document |
| 07/05/1988 | CA1238977A1 Method and system for finding image data associated with the monetary amount on financial documents |
| 06/29/1988 | CN87212446U Ticket card inspecting instrument |
| 06/07/1988 | US4749213 Secure financial instrument |
| 06/07/1988 | US4749087 Authenticity sensing |
| 05/31/1988 | US4748679 Weighted-pixel characteristic sensing system |
| 05/25/1988 | EP0268450A2 Authentication methods and systems |
| 05/04/1988 | EP0265497A1 Information transfer and use, particularly with respect to objects such as gambling chips |
| 05/03/1988 | US4741526 Adaptive doubles and length measurement techniques and apparatus therefor for use in sheet handling and counting devices |
| 04/26/1988 | US4740269 Laser printing,protective coating |
| 04/19/1988 | US4739377 Confidential document reproduction method and apparatus |
| 04/19/1988 | US4739322 Merchandise verification and information system |
| 04/13/1988 | EP0263099A1 A method of reading valuable documents; a valuable document; and document reading means |
| 04/12/1988 | US4737920 Method and apparatus for correcting rotational errors during inspection of reticles and masks |
| 04/12/1988 | US4737649 Sheet discriminating apparatus with hole-detecting means |
| 04/05/1988 | US4736425 Security marking method, materials provided with security marks |
| 04/05/1988 | US4736109 Coded document and document reading system |
| 03/29/1988 | US4733887 Secure financial document |
| 03/23/1988 | EP0260940A2 Authenticity-verification and identification of documents or other objects |
| 03/08/1988 | US4729556 Apparatus for detecting the thickness of bank note |
| 03/02/1988 | EP0257749A1 Methods and apparatus for monitoring the diffuse reflectivity of a surface |
| 03/01/1988 | US4728377 Process for providing holograms on documents or the like |
| 02/25/1988 | DE3628353A1 Method for the inconspicuous marking of documents and method of testing such documents |
| 02/24/1988 | EP0256922A1 Process to identify or to authentify an element, such as a fiduciary document |
| 02/23/1988 | US4726608 Information bearing article with tamper resistant scratch-off opaque coating |
| 02/02/1988 | US4723149 Image forming apparatus having a function for checking to copy a secret document |
| 02/02/1988 | US4723072 Apparatus for discriminating sheets |
| 01/27/1988 | EP0253935A2 Weighted-pixel characteristic sensing |
| 01/14/1988 | WO1988000338A1 Method and apparatus for monitoring the diffuse reflectivity of a surface |
| 01/14/1988 | WO1988000138A1 Tamper evident document and use thereof |
| 01/06/1988 | CN87104713A Method of validating information entered on tickets, cards and the like paper substrates, and paper substrate therefor |
| 12/29/1987 | US4715623 Documents having a revealable concealed identifier and the method of making such documents |
| 12/09/1987 | EP0248710A1 Detection process for superimposed sheets, device for carrying it out, and application to bank notes |
| 12/09/1987 | EP0248139A2 Method for the authentification of ancient metallic objects |
| 12/02/1987 | EP0247471A2 Security diffraction devices difficult to exactly duplicate |
| 12/01/1987 | US4710963 Apparatus for sensing the condition of a document |
| 12/01/1987 | US4710627 Method and an apparatus for determining the genuineness of a security blank |
| 12/01/1987 | US4710614 Security document using optical fibers and authentication method |
| 11/19/1987 | WO1987007034A1 Security diffraction devices difficult to exactly duplicate |
| 11/17/1987 | US4707843 Relating to microprocessor controlled cash counting apparatus |
| 11/12/1987 | EP0131574A4 Merchandise verification and information system. |
| 11/12/1987 | DE3720284A1 Water-mark test device |
| 10/27/1987 | US4703162 Device for receiving, inspecting and storing instruments of value |
| 10/22/1987 | WO1987006383A1 Labelling articles it is wished to authenticate |
| 10/22/1987 | WO1987006372A1 Information transfer and use, particularly with respect to objects such as gambling chips |
| 10/08/1987 | WO1987006041A1 A method of reading valuable documents; a valuable document; and document reading means |
| 10/07/1987 | EP0240277A2 Photosensor |
| 09/23/1987 | EP0238043A2 Security document incoporating a security thread |
| 09/16/1987 | EP0236365A1 Method and apparatus for checking the authenticity of documents and documents used therefor. |
| 09/15/1987 | US4694147 Slip reception terminal system |
| 09/08/1987 | US4691940 Printed security with hallmarks |
| 08/19/1987 | CN87100649A Tokens and apparatus for handling tokens |
| 08/04/1987 | US4685141 Method and system for finding image data associated with the monetary amount on financial documents |
| 08/04/1987 | US4685139 Inspecting device for print |
| 07/07/1987 | US4678072 Bill validating and accumulating device |
| 06/30/1987 | US4677682 Bill counting machine |
| 06/30/1987 | US4677680 Method and device for inspecting image |
| 06/30/1987 | CA1223614A1 Secure transaction card and verification system |
| 06/23/1987 | US4675669 System of issuing secure documents of various denomination |
| 06/11/1987 | DE3634865A1 Data carrier with an optical indication of authenticity and process for producing and testing the indication |
| 05/27/1987 | EP0222741A1 Thickness measurement device for foil material. |
| 05/26/1987 | US4668597 Dormant tone imaging |
| 05/12/1987 | US4664369 Multiple sheet indicator apparatus and method |
| 05/12/1987 | CA1221585A1 Composite film for protecting documents from being reproduced |
| 05/05/1987 | US4663622 Authenticator device for verifying authenticity |
| 04/30/1987 | DE3538295A1 Appliance for revealing watermarks and other security features in currency papers, especially postage stamps |
| 04/28/1987 | EP0147396A4 Secure transaction card and verification system. |
| 04/28/1987 | CA1221123A1 Document of value |
| 04/22/1987 | EP0219012A2 Data carrier with an optical authenticity feature, and method of making and checking the data carrier |
| 04/21/1987 | US4660086 Scanning apparatus and method |
| 04/16/1987 | DE3602563C1 Security paper with optically active structures generating a moiré effect |
| 04/14/1987 | US4658125 Gift coupon detectable by bill sorter |
| 04/09/1987 | WO1987002018A1 Multiple sheet indicator apparatus and method |
| 03/26/1987 | WO1987001845A1 Method and apparatus for checking the authenticity of documents and documents used therefor |
| 03/25/1987 | EP0215187A1 Method and apparatus for validating and cancelling value units on papers of value |
| 03/25/1987 | EP0215048A1 Holographic security devices and systems |
| 03/24/1987 | US4652015 Security paper for currency and banknotes |
| 03/17/1987 | US4651150 Merchandise verification and information system |
| 03/17/1987 | US4650320 Detecting luminescent security features |
| 03/17/1987 | US4650319 Examining method for the wear-condition of data carriers |
| 03/10/1987 | US4649266 Method and apparatus for verifying postage |
| 03/10/1987 | CA1218969A1 Counting and half-wrapping apparatus for banknotes with the function of discriminating the banknotes of different nominal values |
| 02/25/1987 | EP0211754A2 Security marking process and material provided with security markings |
| 02/24/1987 | US4645936 Multi-denomination currency validator employing a plural selectively-patterned reticle |
| 01/14/1987 | EP0208573A1 Security document using optical fibres, and authentication process |
| 01/13/1987 | CA1216674A1 Audible security validator |