| 6999588 |
Image input apparatus, image input method, recording medium, and encryption processing program stored in computer-readable medium |
| Feb-14-2006 |
In an image input apparatus provided with an image pick-up unit, an image signal generated by the image pick-up unit is converted into digital information. The digital information is then encrypted by... |
| 6987573 |
Interface surface printer |
| Jan-17-2006 |
A printer for receiving document data from a computer system and printing an interface onto a surface. The interface is based on the document data, which includes identity data indicative of at least one... |
| 6982798 |
Interface surface printer |
| Jan-3-2006 |
A printer for receiving document data from a computer system and printing an interface onto a surface. The interface is based on the document data, which includes identity data indicative of at least one... |
| 6889324 |
Digital measurement apparatus and image measurement apparatus |
| May-3-2005 |
A digital measurement apparatus measures a physical measurement object, provides a digital signature of public-key cryptography to measured data of a thus-measured physical quantity, and manages the measured... |
| 6839844 |
Image encryption method and device |
| Jan-4-2005 |
A portion of an image is selected as an arbitrary rectangle indicated by diagonal coordinates, and this portion of an image is encrypted and embedded in the original rectangular image portion, thus accomplishing... |
| 6823456 |
System and method for providing trusted services via trusted server agents |
| Nov-23-2004 |
A client/server networking topology comprising a trusted server agent (TSA) (e.g., software application) that runs either at a client node or at a node in close proximity to the client and provides various... |
| 6650428 |
Automated duplex image generation for a duplexing image forming device |
| Nov-18-2003 |
A method and apparatus using a duplex printer to print indicia on the back side of a printed page to provide privacy for confidential information appearing on the front side and/or indicia to indicate... |
| 6549624 |
Apparatus and method for enhancing the security of negotiable documents |
| Apr-15-2003 |
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... |
| 6418223 |
Authentication algorithms for video images |
| Jul-9-2002 |
A method of authenticating a video image created by a camera (V) or similar video device. The image is formed into a first 2-dimensional pixel array (A1) with each pixel (p.sub.m,n) represented by a data... |
| 6282650 |
Secure public digital watermark |
| Aug-28-2001 |
A cryptographic device and corresponding method for producing a cloaked watermark which is a private watermark having the functionality of a public watermark. In one embodiment, the cryptographic device... |
| 6188766 |
Apparatus and method for confirming, timestamping, and archiving printer and telecopier transmissions |
| Feb-13-2001 |
The present invention provides an apparatus and method for confirming, timestamping, and archiving documents using telecopiers (e.g., facsimile machines). A user sends a document to a timestamping service... |
| 6073121 |
Check fraud prevention system |
| Jun-6-2000 |
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... |
| 6050607 |
Security image element tiling scheme |
| Apr-18-2000 |
A security document is prepared by designating specialized tiling elements to be printed in selected image element cells across the face of the document. In accordance with one embodiment of the present... |
| 6014228 |
Method and apparatus for delivering secured hard-copy facsimile documents |
| Jan-11-2000 |
Method and apparatus are provided for delivering hard-copy facsimile documents, the confidential information of which is visibly concealed. In general, the apparatus includes a facsimile message concealing... |
| 5905801 |
File transfer using facsimile modem |
| May-18-1999 |
A method is provided for transmitting and/or receiving files via a facsimile machine or computer fax modem. Electronic binary files residing on a computer, for example executable files, word processing... |
| 5799082 |
Secure authentication of images |
| Aug-25-1998 |
Apparatus for capturing and authenticating a visual image of a selected view, using a digital image forming means, such as a digital camera, together with a position determining system that provides position... |
| 5793870 |
System and method for encrypting sensitive information |
| Aug-11-1998 |
This invention relates to a system and method for converting encryption data into at least one preselected image in a manner such that, for example, the entity converting the encryption data into the at... |
| 5692048 |
Method and apparatus for sending secure facsimile transmissions and certified facsimile transmissions |
| Nov-25-1997 |
A facsimile transmission system with a first facsimile machine that includes at least a scanner for scanning documents inserted into a document feeder and transmission capabilities for sending a fax and... |
| 5680455 |
Digital signature generator /verifier/ recorder (DS-GVR) for analog transmissions |
| Oct-21-1997 |
A method and apparatus authenticates and provides non-reputability for analog messages which renders it impossible for a person, including the recipient, who is not in possession of a (cryptographic) key... |
| 5671277 |
Image forming apparatus and copy management system |
| Sep-23-1997 |
Additional data useful for the management of copies of a document for an image forming apparatus is embedded in a hard copy of the document. The additional data is embedded in an inherent image of a document... |
| 5652794 |
Device and process for securizing a document and graphic authentification code |
| Jul-29-1997 |
The invention relates to a device for securizing a document incorporating a processing module, which calculates and associates with each document page (10), comprising a zone (11) containing the text of... |
| 5633932 |
Apparatus and method for preventing disclosure through user-authentication at a printing node |
| May-27-1997 |
A system and method for preventing a copy of a document to the output from a printing node until the printing node authenticates the intended recipient. The system includes a sending node, a printing node... |
| 5598473 |
Digital signature generator/verifier/recorder (DS-GVR) for analog transmissions |
| Jan-28-1997 |
A method and apparatus authenticates and provides non-repudiability for analog messages which renders it impossible for a person, including the recipient, who is not in possession of a (cryptographic)... |
| 5541993 |
Structure and method for secure image transmission |
| Jul-30-1996 |
A scrambled document or image generating method first divides a page of digitized electronic document into multiple segments arranged in a first order. The digitized electronic document is scrambled in... |
| 5530755 |
Secured apparatus and process for securing the transmission of documents by fax and graphic code for the authentication of an image |
| Jun-25-1996 |
The invention relates to a secured apparatus for the transmission of documents by facsimile or fax, which comprises on the emitter side a securing module placing in the binary file transmitted and representing... |
| 5499294 |
Digital camera with apparatus for authentication of images produced from an image file |
| Mar-12-1996 |
A digital camera equipped with a processor for authentication of images produced from an image file taken by the digital camera is provided. The digital camera processor has embedded therein a private... |
| 5490217 |
Automatic document handling system |
| Feb-6-1996 |
A system and method for the filing, retrieving, verifying, translating, exchanging and updating documents by scanning said documents into and storing said documents on a programmed computer system, which... |
| 5398283 |
Encryption device |
| Mar-14-1995 |
A system for the encryption of documents is described. A document, which may contain not only text, but also handwriting, pictures, charts, or other graphic images, is converted into a bitmap. This bitmap... |
| 5321749 |
Encryption device |
| Jun-14-1994 |
A system for the encryption of documents is described. A document, which may contain not only text, but also handwriting, pictures, charts, or other graphic images, is converted into a bitmap. This bitmap... |
| 5278903 |
Information processing system |
| Jan-11-1994 |
Disclosed is an information processing system such as a work station, a personal computer system or the like. The information processing system includes an identification information input unit for inputting... |
| 5245655 |
Method and a device for the protected transmission of data |
| Sep-14-1993 |
A ciphering device (1) encodes the original data and converts it into signals for an output device (5) that creates a document (6, 10) out of them. This document is fed into a sending device (12) that... |
| 5243655 |
System for encoding and decoding data in machine readable graphic form |
| Sep-7-1993 |
A system for representing and recognizing data in machine readable graphic image form in which data to be encoded is entered into the system and a processor encodes the data into a two-dimensional bar... |
| 5159635 |
System for encoding data in machine readable graphic form |
| Oct-27-1992 |
A system for representing and recognizing data in machine readable graphic image form in which data to be encoded is entered into the system and a processor encodes the data into a two-dimensional pattern... |
