Patents for G09C 3 - Typewriters for ciphering or deciphering cryptographic text (479) |
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04/21/2009 | US7522728 Wireless methods and devices employing steganography |
04/14/2009 | US7517578 Method and apparatus for orienting magnetic flakes |
04/09/2009 | WO2006069218A3 Kinematic images formed by orienting alignable flakes |
04/09/2009 | US20090091790 Computer system with wireless pen and relay pairing |
04/02/2009 | US20090084859 Region Delimited Coded Data Having Unique Length Digital Signature |
03/19/2009 | US20090077385 Authenticating An Object |
03/17/2009 | US7506168 Method for identifying a counterfeit security document |
03/05/2009 | US20090057400 System for identifying counterfeit security document |
02/24/2009 | US7496209 Techniques and systems for embedding and detecting watermarks in digital data |
02/05/2009 | US20090037739 Method for identifying a counterfeit security document |
02/05/2009 | US20090032583 System for authenticating encoded object |
02/03/2009 | US7487355 Data processing apparatus and method |
01/27/2009 | US7484101 Coded data associated with an object and encoding a distributed signature |
12/30/2008 | US7472278 Remote authentication of an object using a signature encoded in a number of data portions |
12/30/2008 | US7469819 Coded data including a digital signature with padding |
12/25/2008 | US20080317280 Method of authenticating security documents |
12/18/2008 | US20080313706 Method of Verifying an Object |
12/18/2008 | US20080313467 Authentication Processor Using a Signature Encoded in a Number of Data Portions |
12/16/2008 | US7467301 Authentication processor using a signature part |
12/16/2008 | US7467300 Coded data including a distributed data stream |
12/16/2008 | US7467299 Authentication device |
12/16/2008 | US7464879 Handheld pharmaceutical product scanner |
12/09/2008 | US7461778 Method of identifying a copied security document |
12/02/2008 | US7461255 Digital watermark processing apparatus, and digital contents distribution system using the apparatus |
11/27/2008 | WO2008021825A3 Self-authenticating documents with printed or embossed hidden images |
11/27/2008 | US20080293381 Wireless Methods Using Signature Codes |
11/25/2008 | US7457961 Authentication of an object using a signature encoded in a number of data portions |
11/06/2008 | US20080272186 Security Document Database |
11/04/2008 | US7447312 Method and apparatus for secure ultrafast communication |
10/28/2008 | US7441712 Method of authenticating security documents |
10/21/2008 | US7440143 Tampering judgement system, encrypting system for judgement of tampering and tampering judgement method |
10/02/2008 | US20080237359 Method of authenticating security documents |
08/28/2008 | US20080209512 Authentication method for pharmaceutical products having symmetrically coded packaging |
08/28/2008 | US20080209511 Authentication method for pharmaceutical products having coded packaging |
08/05/2008 | US7407195 Label for receiving indicia having variable spectral emissivity values |
07/08/2008 | US7397928 Insertion and extraction of a message in an image |
07/08/2008 | US7395963 Method for authentication of pharmaceutical products |
07/03/2008 | US20080159530 Gadget to encrypt and keep account login information for ready reference |
06/17/2008 | US7389423 System and method for registering a sensing device with a relay device |
06/17/2008 | US7389421 Countermeasure against estimation-based attacks of spread-spectrum watermarks |
06/10/2008 | US7386728 Security module and method for production of forge-proof documents |
05/29/2008 | US20080125083 Wireless Methods and Devices Employing Steganography |
05/27/2008 | US7379205 System and method for embedding and extracting key information |
05/06/2008 | US7369659 Item handling system |
05/01/2008 | US20080101606 Transaction recordal system |
05/01/2008 | US20080099548 Currency Counter |
04/29/2008 | US7366301 Optical watermark |
04/22/2008 | US7362781 Wireless methods and devices employing steganography |
04/22/2008 | US7362483 Postprocessing apparatus and postprocessing method |
04/01/2008 | US7353398 Article, method, system and apparatus for decentralized creation, distribution, verification and transfer of valuable documents |
03/20/2008 | US20080071421 Method of dispensing a pharmaceutical product |
03/04/2008 | US7340076 Digital watermarks for unmanned vehicle navigation |
02/28/2008 | US20080050004 Method of identifying a copied security document |
02/26/2008 | US7337472 System and method for ensuring secure transfer of a document from a client of a network to a printer |
02/26/2008 | US7336786 Reproduction apparatus |
02/19/2008 | US7333628 Data embedding with multi-level screening |
02/14/2008 | US20080037855 Handheld security document scanner |
01/29/2008 | US7322613 Multi-part form having detachable wristband, labels and cards or the like |
01/24/2008 | US20080022112 Coded Data Associated with an Object and Encoding a Distributed Signature |
01/24/2008 | US20080017710 Method for identifying duplicated pharmaceutical product packaging |
01/17/2008 | US20080016364 Authentication Processor Using a Signature Part |
01/17/2008 | US20080016363 Remote Authentication of an Object Using a Signature Encoded in a Number of Data Portions |
01/17/2008 | US20080016362 Coded Data Including a Distributed Signature |
01/17/2008 | US20080013124 Printer for printing packaging |
01/17/2008 | US20080011862 Coded Data Including A Digital Signature With Padding |
01/17/2008 | US20080011849 Transaction terminal pharmaceutical product scanner |
01/17/2008 | US20080011847 Handheld pharmaceutical product scanner |
01/01/2008 | US7315621 Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium |
12/20/2007 | US20070290042 Mailing label having a signature section and method of using same |
11/27/2007 | US7302078 Apparatus and method for preventing illegal distribution of digital contents by using a fingerprinting technique |
11/22/2007 | US20070269725 Light control material for displaying color, information, and images |
11/15/2007 | US20070263862 Manufacturing process and apparatus for printing imprint on defective board |
11/13/2007 | US7293384 Service hang tag |
11/06/2007 | US7293292 Method and system for securely and selectively providing optional features or premium functionality in a printer |
11/06/2007 | US7290703 Method and apparatus for providing multiple transaction cards in assembly |
11/01/2007 | US20070253550 Apparatus and materials for two-stage printing of value indicia |
09/27/2007 | US20070223690 Xor encoded document for secure message exchange |
09/06/2007 | US20070205595 Mailing label having a signature section and method of using same |
08/23/2007 | US20070195954 Image forming apparatus for printing security documents by duplex printing and method thereof |
08/22/2007 | CN1333381C Matrix display driver with energy recovery |
08/09/2007 | WO2005081928A3 Laser wristband sheet with embedded closure mechanism |
07/26/2007 | US20070174634 System and/or method for encrypting data |
07/25/2007 | CN101006454A Authentication of an object using a signature encoded in a number of data portions |
07/24/2007 | US7248693 Secure network-based system for the distributed printing of documents |
07/24/2007 | US7246459 Service hang tag |
07/18/2007 | CN101002217A Pharmaceutical product tracking |
06/05/2007 | US7226087 System and method for authenticating an article |
05/23/2007 | CN1969300A Method and apparatus for security document tracking |
05/22/2007 | US7221512 Light control material for displaying color information, and images |
05/09/2007 | CN1961330A Mailing label having a signature section and method of using same |
05/03/2007 | US20070098161 Secure printing |
04/10/2007 | US7201953 Printing forms; then applying coating; overlapping with radiation transparent covering and lamination by pressing, heating |
03/22/2007 | WO2006085151A3 System and method of generic symbol recognition and user authentication using a communication device with imaging capabilities |
03/13/2007 | US7190805 Method of and system for edge watermarking of an image |
03/07/2007 | EP1759283A1 Mailing label having a signature section and method of using same |
02/14/2007 | EP1751702A1 Pharmaceutical product tracking |
02/07/2007 | EP1749273A1 Authentication of an object using a signature encoded in a number of data portions |
01/31/2007 | EP1747529A1 Method and apparatus for security document tracking |
01/25/2007 | US20070019809 Printing system and printer with electronic signature capability and method thereof |
01/25/2007 | US20070019808 Substrates having a position encoding pattern |