| 5642199 |
Copier having a security function |
| Jun-24-1997 |
A digital copier or a complex copier having a facsimile function is provided with a security function for keeping a record of persons who copied or transmitted images, the dates of copying or transmission... |
| 5638186 |
Multi-function machine for combining and routing image data |
| Jun-10-1997 |
A multi-function machine for combining and routing image data is disclosed. The multi-function machine includes a number of functional units, for instance, a digital copier which produces scanned image... |
| 5629981 |
Information management and security system |
| May-13-1997 |
A closed loop, (networked) information management and security system which provides a secure, end-to-end fully automated solution for controlling access, transmission, manipulation, and auditability of... |
| 5613005 |
Cipher communication method and device |
| Mar-18-1997 |
Self-synchronizing encryption/decoding circuits are provided with a plurality of irreducible polynomials. An irreducible polynomial to be used in encryption between sending and receiving stations is selected... |
| 5596640 |
Digital image forming apparatus with data conversion |
| Jan-21-1997 |
An image forming apparatus including an operating board for indicating operating modes, a document reading member and an outputting member for outputting data. An image compressing member compresses image... |
| 5590196 |
Secure payment method using facsimile |
| Dec-31-1996 |
Electronic funds transfer processes are being put into place to replace the paper based check clearing process. Although ubiquitous in the business environment, facsimile transmission technology has not... |
| 5587809 |
System and a process for transmission of secure faxes |
| Dec-24-1996 |
The invention concerns a system and process for sending secure faxes that include a sending fax machine (20); a receiving fax machine (23); and a registered fax server (21). One of the fax machines is... |
| 5586185 |
Communications system capable of communicating encrypted information |
| Dec-17-1996 |
A communications system for transmitting and receiving information encrypted by a cipher key to and from a remote communication apparatus includes a cipher key storage device for storing a cipher key table... |
| 5583941 |
Imaging processor |
| Dec-10-1996 |
In an image processor, a scramble device performs scramble processing to deform a document image by using scramble conditions by rearranging pixel data in the document image read by a reader. The scramble... |
| 5579392 |
Duplicating and ciphering device and methods for codification of facsimile telecopies |
| Nov-26-1996 |
A duplicating and ciphering device in which, in order to retain the privacy of the document to be transmitted, the individual units of the duplicating and ciphering device are constructed as a duplicating... |
| 5559888 |
Secure information retrieval service (SIRS) |
| Sep-24-1996 |
A secure information retrieval system comprising three levels of confidential access to a database, wherein the first level is stored and transmitted in an unencrypted form, the second level is stored... |
| 5555307 |
Device and process for rendering secure the transmission of faxes, as well as fax unit which has been made secure and incorporating such a device |
| Sep-10-1996 |
Device and process for securing the transmission of telecopies or faxes and a secured telecopier or fax unit having such a security device. The device incorporating a user interface (16) permitting the... |
| 5552897 |
Secure communication apparatus and method |
| Sep-3-1996 |
A communication apparatus (e.g., a fax apparatus) provides secure message transmission by sending messages having an unrestricted portion (e.g., a header) and a restricted portion (e.g., the body of the... |
| 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... |
| 5535277 |
Encryption communication apparatus |
| Jul-9-1996 |
An encryption communication apparatus of the present invention is embodied, for example, by a facsimile machine. A document original of plural pages set on the facsimile machine is read by a scanner section,... |
| 5533127 |
Encryption system |
| Jul-2-1996 |
A system for encrypting two-dimensional data such as image data, or data like multi-media data which can be transformed into two-dimensional data. The data is encrypted by multiple encryption passes through... |
| 5509072 |
Facsimile apparatus |
| Apr-16-1996 |
A facsimile apparatus is provided with changeover means that makes it possible to pass signals through or to bypass a coder, which encrypts transmission information, and a decoder, which decodes encrypted... |
| 5491563 |
Apparatus for scrambling and unscrambling documents |
| Feb-13-1996 |
Apparatus for scrambling documents including apparatus for providing output signals representing the contents of a document, apparatus for operating on the output signals to produce modified output signals... |
| 5473691 |
System and method for computer data transmission |
| Dec-5-1995 |
The system of the present invention processes data for communication between first and second computers by linearizing the communications message. The message comprises a linear header portion, an extended... |
| 5455861 |
Secure telecommunications |
| Oct-3-1995 |
A security node disposed in the telecommunications network connecting calling and called parties transforms information (which can be voice, data, facsimile, video and other types of calls or messages)... |
| 5430800 |
Facsimile apparatus |
| Jul-4-1995 |
A facsimile apparatus is provided with changeover means that makes it possible to pass signals through or to bypass a coder, which encrypts transmission information, and a decoder, which decodes encrypted... |
| 5420922 |
System for the safe transmission of messages |
| May-30-1995 |
A system for safe transmission of a message with positive identification of the sender includes on the transmitter side telefax-type message-transmitting apparatus (10) and encryption means (22) for encrypting... |
| 5414773 |
CATV systems |
| May-9-1995 |
A CATV system including a CATV network, a multiplicity of subscriber units, apparatus for transmitting over said CATV network encrypted information individually addressed to a subscriber unit and apparatus... |
| 5410599 |
Voice and data encryption device |
| Apr-25-1995 |
A portable voice and data encryption device designed to be used with normal wideband telephone and cellular telephones, computers and facsimile machines to transmit voice and data in encrypted form. The... |
| 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... |
| 5351136 |
Facsimile apparatus and method for sending and receiving private information |
| Sep-27-1994 |
A FAX-receiving-and-output device for secret information and method therefore, which comprises a first and a second information transmission channels for transmitting non-secret information and secret... |
| 5339361 |
System and method for authenticating transmission and receipt of electronic information |
| Aug-16-1994 |
A communication system (10 and 100) is provided with a verification mechanism (16) to identify both the sender and recipient of electronic information (20). Input devices (12) in cooperation with verification... |
| 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... |
| 5258998 |
Data communication apparatus permitting confidential communication |
| Nov-2-1993 |
A data communication apparatus, such as a facsimile machine, in which the data of a page is transmitted in plural blocks, and the sending unit designates the blocks to be released as output. In this manner... |
| 5255106 |
Method and apparatus for delivering secured hard-copy facsimile documents |
| Oct-19-1993 |
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... |
| 5253293 |
Adaptive data ciphering/deciphering apparatuses and data communication system using these apparatuses |
| Oct-12-1993 |
A data communication system adaptable to a ciphered data communication includes a data transmission line (3) for transmitting ciphered or non-ciphered data between a data transmitting device and a data... |
| 5241596 |
Facsimile apparatus, and method of controlling same |
| Aug-31-1993 |
A facsimile apparatus is disclosed in which a transmitting/receiving operation, as well as a copying operation, is performed by an operator in exactly the same manner regardless of whether an encrypting... |
| 5241595 |
Communication control section for facsimile equipment having a secure communication function |
| Aug-31-1993 |
A facsimile equipment including a memory for storing a cipher key data, ten number keys for inputting the cipher key data, a DTMF signal receiving circuit for converting a DTMF signal received through... |
| 5239314 |
Thermally inprintable media incorporating non-reusable adhesive |
| Aug-24-1993 |
A printing medium for the printing of images thereon to form a document by the printer of a standard facsimile machine in a manner which renders the document unreadable to a casual observer. There is a... |
| 5237611 |
Encryption/decryption apparatus with non-accessible table of keys |
| Aug-17-1993 |
An encryption/decryption unit (EDU) that handles management of encryption keys used in the secure exchange of data over non-secure communication links. Each EDU includes a central processing unit (CPU)... |
| 5233653 |
Apparatus and method for enciphered facsimile transmission and reception |
| Aug-3-1993 |
An enciphered facsimile apparatus in which encoded image data is fetched one block at a time, and chained encipherment is executed in a reverse direction, respectively. Upon completion of encipherment,... |
| 5231663 |
Image processing system |
| Jul-27-1993 |
An image processing system receives a series of pixel elements representative of a scanned image. The system converts the pixel elements into a vector representation of the scanned image. The vector representation... |
| 5222138 |
Remote signature rendering system & apparatus |
| Jun-22-1993 |
This invention relates to a remote signature system in which a signatory located at a remote location from the original document can receive a virtual image of the document to be signed and, using an electronic... |
| 5212558 |
Using thermally transferred invisible ink detectable by exposure to invisible light of specific wavelength |
| May-18-1993 |
In a facsimile machine which receives transmit data based on an original that is transmitted from a facsimile transmit machine through a telephone line at its data scrambler and which records an image... |
| 5202920 |
Facsimile equipment having a secure communication function |
| Apr-13-1993 |
The present invention relates to a facsimile apparatus with the ability of secure communication. The apparatus comprises a ten-key set for entering cipher key data used in secure communication, a RAM for... |
| 5168371 |
Image processing system for generating, storing, and transmitting image datafiles associated with enciphered identification information |
| Dec-1-1992 |
A picture image processing system for performing picture image processing operations in a picture image processing unit on picture input data from an input unit on the basis of corresponding job parameters... |
| 5166977 |
Protocol converter for a secure FAX transmission system |
| Nov-24-1992 |
A secure facsimile interface includes a main CPU (30) having associated therewith a bulk memory (32) for storing transfer data between a Group 3 facsimile machine (20) and a secure encryptor/decryptor... |
| 5166979 |
Data transmitting equipment |
| Nov-24-1992 |
A data transmitting equipment transmitting data between a desired remote equipment connected via communication line, comprising password setting means, communication control means and status display means.... |
| 5163088 |
Facsimile security system |
| Nov-10-1992 |
A facsimile and data security system is disclosed which provides security for all facsimile and data transmissions to prevent loss of information by delaying for review by security personnel selected facsimile... |
| 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... |
| 5159630 |
Facsimile message encryption system |
| Oct-27-1992 |
A system for maintaining the security of information transmitted between facsimile machines includes a transmitting/receiving facsimile machine for receiving input sheets having an encryption zone; an... |
| 5001750 |
Secret communication control apparatus |
| Mar-19-1991 |
A secret communication control apparatus used to effect secret communication with communication equipment, for example, facsimile equipment, which transmits picture information by use of public communication... |
| 4989244 |
Data encripting transfer |
| Jan-29-1991 |
A data encripting transfer system includes a scanner for scanning an object to output an image signal, a data encripting device for encripting the image signal, and a data decoder for decoding the encripted... |
| 4985919 |
Secure communication control system |
| Jan-15-1991 |
Encoder/decoders are associated with conventional local and far-end communications equipment such as facsimile machines. Information to be faxed is encoded at one end, transmitted to the other end, and... |
| 4972473 |
Data communication method and apparatus using neural-networks |
| Nov-20-1990 |
A data communication apparatus comprises: means for dividing data to be transmitted into a plurality of blocks and extracting the data from each block; a first multi-layered neural network of three or... |
