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| Number | Title | Issue Date |
| 7878549 | Printed substrate having embedded covert information A method for embedding covert information on a printed substrate is provided. The method can include the steps of printing overt indicia on a substrate and generating a pattern of microtext representative of at least a portion of the overt indicia. Such microtext is... | 02/01/2011 |
| 7362860 | Image data encryption method, image data transform method, apparatus for the methods, computer program, and computer-readable storage medium This invention allows the encryption side to set whether an image playback apparatus should play back image data in a scrambled state or a non-scrambled state. When a code-block of input image data is an object to be encrypted, it is encrypted. In playing back the d... | 04/22/2008 |
| 7278026 | Method and system for the generation, management, and use of a unique personal identification token for in person and electronic identification and authentication An apparatus and methods for implementing a secure personal identification Token are disclosed. The Token may utilize biometric matching, encryption, access codes, holograms, and bar codes to improve security and confidentiality of data relating to the holder of the... | 10/02/2007 |
| 7114750 | Self-authenticating documents The present invention provides a durable and self-verifying secure document system and a method for its production, wherein counterfeiting is prevented. The secure document system is potentially useful for a wide variety of documents including, but not limited to, l... | 10/03/2006 |
| 7058214 | Image processing apparatus, imaging processing method and storage medium An image processing apparatus comprises, in order to judge an image prohibited by law from being printed at high speed, a judgment unit for judging for each predetermined area whether or not an output requested image includes information indicating that the image is... | 06/06/2006 |
| 7040664 | Self-verifying security documents A self-verifying security document, such as a banknote, comprises a flexible sheet formed from a plastics substrate bearing indicia. The sheet has a window of transparent plastics material that includes self-verification means for verifying a security device provide... | 05/09/2006 |
| 6968317 | Method and apparatus for new accounts program A method for opening an on-line brokerage account includes the steps of opening an on-line brokerage account for a user based on account information received from the user, the on-line brokerage account having one or more restrictions, generating an application base... | 11/22/2005 |
| 6966780 | Method and apparatus for creating a lesson plan complying with academic standards An academic planner having selectively integrated state academic standards. The academic planner is structured and arranged to allow for concurrent viewing of integrated state academic standards while viewing and/or recording information in the academic planner.... | 11/22/2005 |
| 6896296 | Irreversible metal film display Display information is revealed from behind a metal film that can be cleared upon effective contact with a clearing agent. The metal film, while opaque, is generally less than 1000 Angstroms thick and can be cleared by exposure to innocuous agents including food or ... | 05/24/2005 |
| 6846056 | Optimizing printing parameters for a print medium A print medium preferably includes an identification device on or in the print medium. The identification device provides encoded printing parameters for optimizing or controlling printing by a printer on the print medium. ... | 01/25/2005 |
| 6826289 | System for changing attribute of image by electronic watermark In the attribute detection apparatus in the system of the present invention, an inputted image is transformed by DCT means to extract an estimation value of the embedded electronic watermark data in frequency space. Then, the statistical similarity between known ele... | 11/30/2004 |
| 6792110 | Apparatus and method for enhancing the security of negotiable instruments The invention relates to an apparatus and method for enhancing the security of selected information associated with a negotiable document, such as the monetary value of a cheque. In the invention, one or more security features are printed or applied onto the cheque.... | 09/14/2004 |
| 6761377 | Self-verifying security documents A self-verifying security document, such as a banknote, comprises a flexible sheet formed from a plastics substrate bearing indicia. The sheet has a window of transparent plastics material which includes self-verification means for verifying a security device provid... | 07/13/2004 |
| 6728376 | System for encrypting documents with stencils A symmetric key encryption system includes a printer or copier for performing decryption in two passes. During a first pass an encrypted image is decrypted to define a first partially decrypted image and during a second pass a complement of the encrypted image is de... | 04/27/2004 |
| 6646764 | Printing system to output a document combining image data with data that identifies a source of the image and a printer Disclosed is a printing system in which unauthorized copying and reproduction are prevented by making it easy to identify the source which created or manipulated image data to be reproduced and outputted. In accordance with this printing system, image dat... | 11/11/2003 |
| 6549624 | Apparatus and method for enhancing the security of negotiable documents The invention relates to an apparatus and method for enhancing the security of selected information associated with a negotiable document, such as the monetary value of a cheque. In the invention, one or more security features are printed or applied onto ... | 04/15/2003 |
| 6467810 | Self-verifying security documents A self-verifying security document, such as a banknote, comprises a flexible sheet formed from a plastics substrate bearing indicia. The sheet has a window of transparent plastics material which includes self-verification means for verifying a security de... | 10/22/2002 |
| 6447014 | Multilayer label The invention relates to a multilayer label comprising at least one authenticity feature (5), which authenticity feature (5) consists of at least two parts (51, 52) positioned on different layers (1, 2) of the label. The authenticity feature (5) can be a ... | 09/10/2002 |
| 6364362 | Organizational apparatus The present invention relates to an educational planner for providing a cooperative system of planning books and folders that promote socially beneficial aims while providing assistance and organization of course materials.... | 04/02/2002 |
| 6360044 | Optical article printing for controlled attenuation An optical article including at least one optical fiber and a printable layer connected to the optical fiber. The printable layer including randomly spaced printed ink shapes for avoiding or controlling optical attenuation. A method and an apparatus for m... | 03/19/2002 |
| 6318760 | Irreversible display with temporary imaging stage A metal layer cleared by contact with a chemical clearing agent to reveal an underlying graphics layer is at least partially covered by a buffer material that delays contact with the clearing agent. The buffer material can be applied in a pattern that for... | 11/20/2001 |
| 6273473 | Self-verifying security documents A self-verifying security document, such as a banknote (1) comprises a flexible sheet formed from a plastics substrate (2) bearing indicia (3). The sheet bas a window (5) of transparent plastics material which includes self-verification means (11) for ver... | 08/14/2001 |
| 6270122 | Irreversible thin film display with clearing agent Display information is revealed from behind a metal film that can be cleared upon effective contact with a clearing agent. The metal film, while opaque, is generally less than 1000 Angstroms thick and can be cleared by exposure to innocuous agents includi... | 08/07/2001 |
| 6233340 | Apparatus and method for enhancing the security of negotiable documents The invention relates to an apparatus and method for enhancing the security of selected information associated with a negotiable document, such as the monetary value of a cheque. In the invention, one or more security features are printed or applied onto ... | 05/15/2001 |
| 6224106 | Book with nested sculpted forms The invention is a book which comprises a series of sculpted figures which nest within each other. The sculpted figures are preferably made of vacuum formed plastic, in a manner similar to that used in making the plastic shells for a blister package. In p... | 05/01/2001 |
| 6208735 | Secure spread spectrum watermarking for multimedia data Digital watermarking of audio, image, video or multimedia data is achieved by inserting the watermark into the perceptually significant components of a decomposition of the data in a manner so as to be visually imperceptible. In a preferred method, a freq... | 03/27/2001 |
| 6130947 | Method of configuring access and security code The configuration procedure for an access code and for a security code is provided, comprising: providing references retaining element file that records the base checkerboard-like substrate, checkerboard-like substrates and the color substrates as a graph... | 10/10/2000 |
| 6085178 | Apparatus and method for communicating between an intelligent agent and client computer process using disguised messages An intelligent agent and its client communicate using a selector known by both parties to generate and interpret messages and thereby effectively disguise confidential information transmitted in the messages from third parties. Moreover, a neural network ... | 07/04/2000 |
| 6073121 | Check fraud prevention system A method which improves check fraud prevention systems both in printing and verifying checks at their entry points. The method operates by printing on each issued check, a line of encrypted machine-only readable symbols such as a bar-code that contains al... | 06/06/2000 |
| 6062604 | Self-verifying security documents A self-verifying security document, such as a banknote (1) comprises a flexible sheet formed from a plastics substrate (2) bearing indicia (3). The sheet has a window (5) of transparent plastics material which includes self-verification means (11) for ver... | 05/16/2000 |
| 5982896 | System and method of verifying cryptographic postage evidencing using a fixed key set A method for controlling keys used in the verification of encoded information generated by a transaction evidencing device and printed on a document comprises the steps of generating a plurality of random verifier master keys to obtain a set of verifier m... | 11/09/1999 |
| 5949885 | Method for protecting content using watermarking A watermarking procedure wherein each of a set of copies of the work has a slightly-modified form of a "baseline" watermark that is placed within a critical region of the data. The slight variations in the watermarks, however, are not perceptually visible... | 09/07/1999 |
| 5930369 | Secure spread spectrum watermarking for multimedia data Digital watermarking of audio, image, video or multimedia data is achieved by inserting the watermark into the perceptually significant components of a decomposition of the data in a manner so as to be visually imperceptible. In a preferred method, a freq... | 07/27/1999 |
| 5875249 | Invisible image watermark for image verification A system quickly verifies that the content of an image has not been changed since an earlier time when the content of that image was stamped. The system consists of a stamping process that embeds stamping information into a source image and produces a ver... | 02/23/1999 |
| 5712627 | Security system A security system is for determining whether a person has possession of an issued identification card. The system includes a plurality of identification cards. Each one of the issued cards has a plurality of addressable positions. Each one of the addressa... | 01/27/1998 |
| 5708717 | Digital anti-counterfeiting software method and apparatus This invention relates generally to a method and apparatus, as implemented by a software program on a computer system, for digitally producing counterfeit-deterring scrambled or coded indicia images, typically in a printed form. This method and system are... | 01/13/1998 |
| 5673320 | Method and apparatus for image-based validations of printed documents Multiple validations of printed documents incorporating image information and authorizing data on a printed document assist in the printed document validation process. This technique requires the authorized document holder to have an image identification ... | 09/30/1997 |
| 5664018 | Watermarking process resilient to collusion attacks A watermarking procedure wherein each of a set of copies of the work has a slightly-modified form of a "baseline" watermark that is placed within a critical region of the data. The slight variations in the watermarks, however, are not perceptually visible... | 09/02/1997 |
| 5488664 | Method and apparatus for protecting visual information with printed cryptographic watermarks A method and device for protecting visual information against unauthorized access and modification using a printed cryptographic watermark includes printing a first array of shapes on a first sheet of material to be protected and printing a second array o... | 01/30/1996 |
| 5471533 | Record with encoded data A record contains a graphic image and an information area which are interrelated to discourage misuse of the record. The information area can overlay the graphic image and include information encoded in a error-correctable, machine-readable format which a... | 11/28/1995 |
