| 5764770 |
Image authentication patterning |
| Jun-9-1998 |
Apparatus for producing a self-authenticating 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... |
| 5799083 |
Event verification system |
| Aug-25-1998 |
An event verification system comprises an input for the reception of information and an encryption algorithm to encrypt the information; an electronic recorder to record the encrypted information and a... |
| 6169803 |
Encryption key processing system to be incorporated into data recovery system or key setting system for generating encryption key |
| Jan-2-2001 |
An encryption key processing system includes a user terminal system which uses a key and a sub-system for holding information regarding the user terminal system, the sub-system generating predetermined... |
| 6130741 |
Embedding information in a digital image digitized from a developed photographic film |
| Oct-10-2000 |
Apparatus for embedding information in a digital image digitized from a developed photographic film in response to a film property and information to be embedded into the digital image includes a scanner... |
| 6421450 |
Electronic watermark system |
| Jul-16-2002 |
An electronic watermark system invisibly embeds watermark information into original image data and the watermarked image data is transferred to a first medium. At the same time. the embedded watermark... |
| 6985586 |
Distributed information and storage system |
| Jan-10-2006 |
The aim of the present invention is to propose a method that allows the reduction of the bandwidth needs in a structure that implements an operating center and a plurality of user units, ensuring the availability... |
| 6816972 |
Disk recording medium, reproduction device and method for performing reproduction on disk recording medium |
| Nov-9-2004 |
A device and method for protection of legitimate software against used software and counterfeit software in recording media. The device includes a disk is set in a main unit. A specific title code is read,... |
| 6757405 |
Digital watermark embedding device, digital watermark detection device and recording medium recording computer readable program for realizing functions of two devices |
| Jun-29-2004 |
A digital watermark embedding device has an input section which inputs pixel value data of an image which is a target for embedding of watermark information, an embedded position selection section which... |
| 6477252 |
Digital video content transmission ciphering and deciphering method and apparatus |
| Nov-5-2002 |
A video source device provides a basis value to a symmetric ciphering/deciphering process to a video sink device, to which the video source device is to provide a video content. The video source device... |
| 6072873 |
Digital video broadcasting |
| Jun-6-2000 |
In order to implement the Digital Video Broadcasting descrambling algorithm in the context of MPEG compressed data streams containing interleaved sections of scrambled and unscrambled data, at a data rate... |
| 5764769 |
Digital recording system with time-bracketed authentication by on-line challenges and method of authenticating recordings |
| Jun-9-1998 |
An apparatus and method produce a videotape or other recording that cannot be pre- or post-dated, nor altered, nor easily fabricated by electronically combining pre-recorded material. In order to prevent... |
| 6968058 |
Digital evidential camera system for generating alteration detection data using built-in encryption key |
| Nov-22-2005 |
A digital evidential camera system is for detecting the alteration of image data obtained by photographing an object. The system comprises the camera and an alteration detection unit. The camera includes... |
| 4941173 |
Device and method to render secure the transfer of data between a videotex terminal and a server |
| Jul-10-1990 |
The protection of the transfer of data between a videotex terminal (TVX) and a server (SE) is carried out by means of an additional package (BA) connected to a video adaptor connector (PPI) of the terminal... |
| 6687829 |
Data transmission apparatus and method for management of user identification data allocated to image data |
| Feb-3-2004 |
In a data transmission apparatus and method of the present invention, a specific operator ID for an operator who uses a data processing device to process image data to be copied or transmitted, is selected.... |
| 6038321 |
Data transfer method, communication system and storage medium |
| Mar-14-2000 |
In a communication system, a transmitter device encrypts variable-length data having a data length corresponding to a kind of information to be transferred or a communication capacity, using a natural... |
| 6721437 |
Data processing apparatus, coding apparatus, data processing method and coding method |
| Apr-13-2004 |
The invention provides a data processing apparatus and method which processes data in which additional data is embedded and inhibits illegal accessing from the outside to prevent alteration of information.... |
| 6707465 |
Data processing apparatus and method, and storage medium |
| Mar-16-2004 |
This invention provides a technique capable of always keeping digital watermark information embedded in image data having the embedded digital watermark information by an optimum scheme on the basis of... |
| 7039617 |
Currency and float ID tracking in an electronic purse |
| May-2-2006 |
The present invention relates to electronic purse systems, and in particular it relates to the improved management of multiple money flows in such systems. According to the basic principles of the present... |
| 6985585 |
Cryptographic method for color images and digital cinema |
| Jan-10-2006 |
A method for the encryption and decryption of digital images based on cyclotomic polynomials and radiometric expressions comprising the steps of generating an encrypting transform, partitioning the digital... |
| 6345101 |
Cryptographic method and apparatus for data communication and storage |
| Feb-5-2002 |
The disclosed invention is a new cryptographic method which is fast and ideally suited for secure, high volume data communication and storage. The data is encrypted at the source using a private key and... |
| 6912513 |
Copy-protecting management using a user scrambling key |
| Jun-28-2005 |
The present invention is a method and apparatus for providing copy protection for a content. A descrambler descrambles the content delivered by a content provider using a local key. A key generator is... |
| 7035827 |
Content receiving apparatus and method, storage medium, and server |
| Apr-25-2006 |
A content receiver is compatible with a plurality of rights management and protection methods (RMP) devised for each content distribution system. Only the format which specifies the specification of the... |
| 4866772 |
Communication system |
| Sep-12-1989 |
In a communication system such as the videotext system, the data are prepared according to the so-called ISO layer model before such data are transmitted via a conventional telephone circuit. The fact... |
| 7003115 |
Communication apparatus, communication system and method of the same |
| Feb-21-2006 |
A communication apparatus capable of reducing the amount of communication with other communication apparatuses is provided, wherein a content signal of a popular program is broadcasted in advance from... |
| 4533948 |
CATV Communication system |
| Aug-6-1985 |
A two way digital communication arrangement utilizes a CATV system to provide bidirectional data transport service between any two points within the CATV system. The headend receives an upstream message... |
| 6381332 |
Cable television setback decoder automatic control |
| Apr-30-2002 |
A setback decoder monitors the IF output from a cable-ready receiver and automatically provides a descrambled audio/video signal back to the receiver for output to the subscriber. When the receiver is... |
| 5995630 |
Biometric input with encryption |
| Nov-30-1999 |
A fingerprint sensing system for providing data in dependence upon fingerprint information to a computer is disclosed. The system comprises an imaging device for capturing a fingerprint image. The fingerprint... |
| 6042006 |
Authentication system wherein definition signals of two devices are altered, communicated between the two devices, and compared |
| Mar-28-2000 |
An authentication system having a first device and a second device between which signals may be communicated. The first device includes a first memory for storing a definition signal and the first device... |
| 5949952 |
Audio and video transcription system for manipulating real-time testimony |
| Sep-7-1999 |
A transcription network having linked computer terminals for a court reporter and for examining, defending, and associate attorneys is disclosed. Based on the hardware present, the court reporter terminal... |
| 5751809 |
Apparatus and method for securing captured data transmitted between two sources |
| May-12-1998 |
Implemented preferably within a video camera, a secure data capture device is used to prevent a captured data clip from be fraudulently altered without detection. The secure data capture device performs... |
| 4638356 |
Apparatus and method for restricting access to a communication network |
| Jan-20-1987 |
Apparatus restricts access to a communication network having at least one service node for providing services to subscribers. A subscriber terminal, coupled to the communication network, includes a secret... |
| 6624874 |
Apparatus and method for inserting an updateable hidden image into an optical path |
| Sep-23-2003 |
An apparatus for optically embedding hidden data in a source image, wherein the hidden data is updateable in real-time, the apparatus includes (a) optical masks bearing a data image and an encoding carrier... |
| 6192138 |
Apparatus and method for embedding/unembedding supplemental information |
| Feb-20-2001 |
A supplemental information embedding apparatus having a device for capturing image data, a first memory for storing image data indicating the presence of copyright protection, a first encoder for encoding... |
| 5574787 |
Apparatus and method for comprehensive copy protection for video platforms and unprotected source material |
| Nov-12-1996 |
A video recording platform prevents both analog and digital copying of copy protected material. The platform may input and output both analog and digital video signals. At said analog input, a detector... |
| 4654704 |
Analog television with regenerable and encryptable signals |
| Mar-31-1987 |
Novel means are disclosed for conditioning a standard color-television composite signal, such as the NISC composite, so that pictorial information is represented according to Nyquist samples which are... |
| 6546116 |
Adjusting an electronic camera to acquire an image |
| Apr-8-2003 |
The present invention provides a mechanism for automatically setting the exposure time and gain of an electronic camera so that the acquired image has improved characteristics for the detection of a digital... |
| 5933500 |
Adaptive decoding system for processing encrypted and non-encrypted broadcast, cable or satellite video data |
| Aug-3-1999 |
An adaptive decoder generates a program representative datastream, in selectable, encrypted or decrypted form. A method for adaptively processing input encrypted program data with an associated encryption... |
