| 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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| 04/03/1990 | US4913504 Documents or like articles bearing holograms |
| 03/28/1990 | EP0147396B1 Secure transaction card and verification system |
| 03/22/1990 | WO1990002658A1 Security device |
| 03/07/1990 | EP0357406A2 Device for detecting properties of sheets of paper or the like |
| 03/06/1990 | US4906988 Object verification system and method |
| 03/06/1990 | US4906827 Apparatus for automatically cancelling bank notes |
| 02/15/1990 | DE3926491A1 Blattpruefvorrichtung Blattpruefvorrichtung |
| 02/14/1990 | EP0354260A1 Encoding and decoding system |
| 02/07/1990 | EP0353974A2 Copy protection of multi-colour documents |
| 01/31/1990 | EP0352311A1 Redeemable coupon disbursement control and reporting system |
| 01/30/1990 | US4897300 Security paper |
| 01/09/1990 | US4892385 Sheet-material authenticated item with reflective-diffractive authenticating device |
| 01/09/1990 | US4892336 Antifalsification document having a security thread embedded therein and a method for producing the same |
| 01/04/1990 | DE3921420A1 Magnetic sensor |
| 01/03/1990 | CN2050628U Portable pen-type device for distinguishing real or false coin and stamp |
| 01/02/1990 | US4891505 Security markings, material provided with security marks, and apparatus to detect the security mark |
| 12/28/1989 | DE3818798C1 Device for adjusting the pretension of a belt drive |
| 12/07/1989 | DE3917419A1 Banknotenpruefvorrichtung Bill examination |
| 12/05/1989 | US4884828 Security documents |
| 12/05/1989 | CA1263751A1 Weighted-pixel characteristic sensing system |
| 11/28/1989 | US4883950 Composite magnetic and optical head |
| 11/28/1989 | US4883264 Bill disbursing system |
| 11/23/1989 | EP0342647A2 Method for examining sheet-like objects |
| 11/23/1989 | EP0183753B1 Apparatus for the marking of products in connection with a centre instructed to control said marking |
| 11/21/1989 | US4882675 Paperless system for distributing, redeeming and clearing merchandise coupons |
| 11/15/1989 | EP0342060A2 Image processing apparatus |
| 11/14/1989 | US4881268 Paper money discriminator |
| 11/14/1989 | US4880750 Antigens, analyzing, immunology |
| 11/09/1989 | DE3913740A1 Vorrichtung zum bestimmen der dicke von blaettern Apparatus for determining the thickness of blaettern |
| 11/08/1989 | EP0340898A2 Security coding |
| 11/07/1989 | US4879000 On paper |
| 10/25/1989 | EP0338123A2 Device for verifying documents |
| 10/24/1989 | US4875589 Monitoring system |
| 10/18/1989 | EP0337921A2 Assembly for recognizing and securing objects and its application |
| 10/04/1989 | CN1036093A Digital control cipher method for commodity inspection to guard against imitations |
| 09/27/1989 | EP0334390A2 Numbered documents |
| 09/26/1989 | US4870260 Method and apparatus for validating valuable documents |
| 09/26/1989 | CA1261062A1 Security document using optical fibers and authentication method |
| 09/21/1989 | WO1989008898A1 Sensor for verification of genuineness of security paper |
| 09/14/1989 | DE3906695A1 Security element in the form of a thread or strip for embedding in securities and method for its production |
| 09/08/1989 | WO1989008166A1 Security element in the form of a thread or a ribbon for insertion in security documents, and process for producing it |
| 09/06/1989 | EP0330733A1 Thread- or strip-like security element to be included in a security document, and a method of manufacturing same |
| 09/05/1989 | US4864238 Device for measuring weak magnetic fluxes utilizing planar technology |
| 08/24/1989 | WO1989007804A1 Qualification system for printed images |
| 08/23/1989 | EP0329081A1 Device for measuring the thickness of conveyed papers of value |
| 08/03/1989 | DE3902321A1 Object which can be checked (inspected), and method and device for checking it |
| 08/01/1989 | CA1257992A1 Process of reproducing light diffracting patterns and products thereof |
| 07/18/1989 | US4849915 Monitoring sheet length |
| 07/18/1989 | CA1257703A2 Method and apparatus for verifying postage |
| 07/11/1989 | US4846502 Tamper evident document and use thereof |
| 07/04/1989 | US4843959 Producing piles of serially-indexed papers from a plurality of unindexed imprints |
| 06/20/1989 | US4840368 Bill containing box apparatus of bill receiving and dispensing machine |
| 06/15/1989 | WO1989005489A1 Redeemable coupon disbursement control and reporting system |
| 06/13/1989 | US4839507 Method and arrangement for validating coupons |
| 06/07/1989 | EP0319525A2 Method and apparatus for currency validation |
| 06/07/1989 | EP0319524A2 Method and apparatus for currency validation |
| 06/06/1989 | US4837840 System for verifying authenticity of various articles |
| 05/23/1989 | US4833311 Security markings, material provided with security marks, and apparatus to detect the security mark |
| 05/23/1989 | US4832445 Security diffraction devices difficult to exactly duplicate |
| 05/11/1989 | DE3736470A1 Device for observing or testing securities or value stamps, especially postage stamps |
| 05/10/1989 | EP0315611A2 Method and arrangement for validating coupons |
| 05/10/1989 | EP0314999A2 Apparatus for automatically cancelling banknotes |
| 05/03/1989 | EP0314312A2 Method and apparatus for detecting inks |
| 04/20/1989 | WO1989003557A1 Self-correcting registers, error-detecting/correcting registers, and inversion coding using one bit, and other information storage media |
| 04/18/1989 | US4823393 Bill discriminating device |
| 04/13/1989 | DE3736471C1 Device for observing or testing securities or value stamps, especially postage stamps |
| 04/12/1989 | EP0310707A2 Document with magnetically detectable anti-forgery means, and strip with magnetically detectable identification code and identification code |
| 04/11/1989 | US4820912 Method and apparatus for checking the authenticity of documents |
| 04/04/1989 | US4818871 Process for the detection of superimposed sheets, apparatus for performing the process and application to bank notes |
| 03/28/1989 | US4816824 Merchandise verification and information system |
| 03/21/1989 | US4814589 Information transfer and use, particularly with respect to objects such as gambling chips |
| 03/07/1989 | US4809837 Control device for a vending machine and gift certificate for use thereon |
| 02/22/1989 | EP0303725A1 Security paper |
| 02/22/1989 | EP0303610A1 Labelling articles it is wished to authenticate |
| 02/21/1989 | US4807287 Document authentication method |
| 02/21/1989 | US4806740 Magnetic characteristic identification system |
| 02/21/1989 | CA1250366A1 Verification system for document substance and content |
| 01/26/1989 | WO1989000508A1 Individual-specific antibody identification methods |
| 01/12/1989 | WO1989000319A1 A method, an arrangement and a chemical agent for marking of banknotes, valuable documents etc. and detection equipment of such a marking |
| 01/11/1989 | EP0298156A2 Non-counterfeitable authentication card |
| 01/10/1989 | US4797937 Apparatus for identifying postage stamps |
| 12/14/1988 | EP0295229A2 A document detecting arrangement |
| 12/14/1988 | EP0294497A1 Apparatus for identifying postage stamps |
| 12/07/1988 | EP0293576A2 Procedure for registering dimensional errors |
| 12/06/1988 | CA1246226A1 Method and apparatus for verifying postage |
| 11/23/1988 | EP0292249A2 Data storage systems |
| 11/15/1988 | US4785290 Card for personal identification of a specific individual |
| 11/09/1988 | CN87103392A Multifunctional "insurance check" |
| 11/01/1988 | US4782225 Sheet-processing apparatus including optical sensor cleaning device |
| 10/18/1988 | US4777729 Thickness measuring apparatus for sheet material |
| 10/12/1988 | EP0286378A2 Authenticating methods and systems |
| 10/12/1988 | EP0286317A1 Producing piles of serially-indexed papers from a plurality of unindexed imprints |
| 09/06/1988 | US4769532 Apparatus for adjusting optical sensors with threshold memory |
| 08/31/1988 | EP0280436A2 Monitoring system |
| 08/31/1988 | EP0280147A2 Paper sheet handling apparatus |
| 08/31/1988 | EP0279880A1 Security paper for currency and banknotes |
| 08/24/1988 | EP0279802A2 Ant-theft device |
| 08/24/1988 | EP0279526A2 Security document |
| 08/24/1988 | EP0198819B1 Apparatus for authenticating bank notes |
| 08/23/1988 | US4765656 Data carrier having an optical authenticity feature and methods for producing and testing said data carrier |