| 6985601 |
Watermark resistant to rotation and resizing |
| Jan-10-2006 |
A hidden watermark and methods of detecting and embedding such watermark is provided. The watermark is resistant to efforts to avoid the message thereof. |
| 6925448 |
Usage rights grammar and digital works having usage rights created with the grammar |
| Aug-2-2005 |
A digital work recorded on a computer readable media for use within a system having at least one repository for enforcing use of digital content in accordance with usage rights associated with the digital... |
| 6898285 |
System to deliver encrypted access control information to support interoperability between digital information processing/control equipment |
| May-24-2005 |
A system for streaming encrypted conditional access (CA) data, such as control words, from a primary or master conditional access provider (CAP) to one or more secondary CAPS. The primary CAP encrypts... |
| 6069955 |
System for protection of goods against counterfeiting |
| May-30-2000 |
A visible seal or label containing a serial number is placed in plain view on the product packaging. The visible label contains the serial number as well as a first public key encrypted version of the... |
| 6957329 |
System for encrypting data from multiple multimedia applications and method thereof |
| Oct-18-2005 |
Methods and systems are provided for encrypting data from a plurality of multimedia devices. A driver initiates authentication for the plurality of multimedia applications. The driver assigns a key registers... |
| 6005936 |
System for embedding authentication information into an image and an image alteration detecting system |
| Dec-21-1999 |
A digital camera for embedding authentication information to detect the identity of a photographed image into an image. By supplying the authentication information integrally with image data, the verifier... |
| 6970851 |
System and method of configuring value cards |
| Nov-29-2005 |
A system and method of configuring value cards which facilitates selection of personalized limits on value card use in transactions. The value card configuration system includes a display for displaying... |
| 6892343 |
System and method for joint source-channel encoding, with symbol decoding and error correction |
| May-10-2005 |
Disclosed is a system and method for joint source-channel encoding, symbol decoding and error correction, preferably utilizing an arithmetic encoder with operational error detection space; and a combination... |
| 6512856 |
System and method for information stamping a digitized image |
| Jan-28-2003 |
A scanned image is stamped with additional information at a user settable location and color during the scanning process. The information can be the time and date that the scan occurred or information... |
| 5946396 |
System and method for ensuring integrity of audio |
| Aug-31-1999 |
Implemented preferably within a video camera, a cryptographic device is used to prevent audio from being fraudulently altered without detection. The cryptographic device performs a "time-bracketing" operation... |
| 5488410 |
System and method for disk software publishers to control disk distribution |
| Jan-30-1996 |
A system for allowing software publishers to control which video standard(s) can be recovered from an optical disk containing video source material. The disk may be digitally encoded so that any of NTSC,... |
| 5629984 |
System and method for data security |
| May-13-1997 |
A system and method for substantially reducing accidental disclosure of confidential information by interleaving video data frames with video flash frames. These video flash frames preclude an unauthorized... |
| 6064739 |
System and method for copy-protecting distributed video content |
| May-16-2000 |
A secure video content processor ("SVCP") which receives encrypted digital video information and converts it into analog information for a monitor while preventing unauthorized access to the intermediate... |
| 7039613 |
System and method for controlling distribution and use of digital works using price specifications |
| May-2-2006 |
A method, system and device for determining fees for access to digital works including associating a usage right with a digital work and which specifies a manner of use of the digital work and (i) a fee... |
| 6611534 |
Stream data processing system and stream data limiting method |
| Aug-26-2003 |
Region or field data corresponding to digital contents contained in a stream is embedded in the header field of the stream transmitted from a data output system. A data processing system controls grant/denial... |
| 6983049 |
Storage devices for secure scalable data streaming |
| Jan-3-2006 |
A method and system for storing data streamed over a network. Scalably encoded and progressively encrypted data are received by a second device from a first device. The scalably encoded and progressively... |
| 6691228 |
Signal reproducing/recording/transmitting method and apparatus and signal recording medium |
| Feb-10-2004 |
A signal reproducing apparatus for prohibiting copying or unauthorized use. The apparatus includes a copying management information decision circuit 19 for discriminating the state of the copying management... |
| 6108423 |
Signal reproducing/recording/transmitting method and apparatus and signal record medium |
| Aug-22-2000 |
A signal reproducing apparatus for prohibiting copying or unauthorized use. The apparatus includes a copying management information decision circuit 19 for discriminating the state of the copying management... |
| 6415031 |
Selective and renewable encryption for secure distribution of video on-demand |
| Jul-2-2002 |
Selective encryption is provided in a process which includes: determining whether a predetermined criterion is satisfied; setting a selective encryption status field if the predetermined criterion is satisfied;... |
| 5144661 |
Security protection system and method |
| Sep-1-1992 |
A security protection system comprises sensors to detect an alarm condition and a controller that controls the operation of a still-video and audio recording unit. When the sensors activate the controller,... |
| 5537476 |
Secure viewing of display units by image superposition and wavelength separation |
| Jul-16-1996 |
Apparatus for masking a displayed image by mixing the image with a secondary image that is electronically generated to be related to the primary image that when combined with the primary image obscures... |
| 6208735 |
Secure spread spectrum watermarking for multimedia data |
| Mar-27-2001 |
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... |
| 5930369 |
Secure spread spectrum watermarking for multimedia data |
| Jul-27-1999 |
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... |
| 6681326 |
Secure distribution of video on-demand |
| Jan-20-2004 |
In accordance with a first aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station... |
| 6229895 |
Secure distribution of video on-demand |
| May-8-2001 |
In accordance with a first aspect, a remote server receives video programming in a first encrypted form and stores the video programming. After the remote server receives a request from a subscriber station... |
| 6304659 |
Secure data broadcasting |
| Oct-16-2001 |
In a method of receiving packets of data addressed to one or more receivers each having an individual identifier, wherein the data is included in a digital signal having destination addresses successively... |
| 5907619 |
Secure compressed imaging |
| May-25-1999 |
A secure method and apparatus for compressing and digitally signing compressed video data. The apparatus compresses video data and permits signing of the compressed video image in such a way that if only... |
| 5774546 |
Secure access system utilizing an access card having more than one embedded integrated circuit and/or plurality of security levels |
| Jun-30-1998 |
A data access system is provided including a processor, an IC card reader and writer coupled to the processor and including an IC card receptacle, and an IC card which is insertable into the IC card receptacle... |
| 6222924 |
Scrambling of digital media objects in connection with transmission and storage |
| Apr-24-2001 |
To prevent unauthorized reception, storage, copying and reproduction of digital media objects it is defined in addition to a scrambled broadcast format a scrambled storage format which is different from... |
| 4338628 |
Scrambled video communication system |
| Jul-6-1982 |
A television communication system wherein a composite video signal, is scrambled to prevent a stabilized picture from being displayed by a typical broadcast televison set receiving the scrambled video... |
| 6957193 |
Repository with security class and method for use thereof |
| Oct-18-2005 |
A trusted system having at least one repository for controlling use of digital works in accordance with usage rights associated with the digital works. A request to use a digital work in accordance with... |
| 6865551 |
Removable content repositories |
| Mar-8-2005 |
A repository for storing digital works and controlling the use of digital works in accordance with usage rights associated with the digital works and including a manner of use for the digital work. The... |
| 6058479 |
Redundant path data switch and media translator |
| May-2-2000 |
A bi-directional network medium translator and automatic redundant media data path switch connected between two dissimilar network media, e.g. Fiber Optic (FX) and a plurality of Twisted Pair (TX) data... |
| 6674858 |
Receiving device, recording and reproducing device and receiving/recording-reproducing system for digital broadcast signal |
| Jan-6-2004 |
A receiving device comprises a signal demodulator circuit for demodulating an encrypted video signal and attribute information including information for decoding an encryption, an attribute information... |
| 5966442 |
Real-time information delivery system for aircraft |
| Oct-12-1999 |
A satellite-based digital broadcast system is used to provide real-time news, entertainment and informational programs to aircraft passengers in flight. Transmissions from the satellite occur on a time... |
| 6986048 |
Protecting content from illicit reproduction by proof of existence of a complete data set using security identifiers |
| Jan-10-2006 |
A number of data items are selected for inclusion in a data set so as to discourage a transmission of the entire set over a limited bandwidth communications path, such as the Internet. The data set includes... |
| 5301233 |
Process for the transmission and reception of personalized programs |
| Apr-5-1994 |
A process for the transmission and reception of personalized programs. The program is constituted by personalized program elements containing an identification of the recipient or addressee, the access... |
| 6888942 |
Process for administrating over changes to server-administrated client records in a stateless protocol |
| May-3-2005 |
A system for administrating over changes to a record shared by a plurality of users authorized to do so is provided with a resource to officiate over an official version of the record and to communicate... |
| 5898779 |
Photograhic system with selected area image authentication |
| Apr-27-1999 |
A public key encryption system for authenticating an image includes a digital camera having embedded therein a private key unique to the digital camera. A known public key uniquely based upon the private... |
| 7020284 |
Perceptual encryption and decryption of movies |
| Mar-28-2006 |
The present invention is a combined encoder and perceptual encrypter for a file of high quality video. The combined encoder and perceptual encrypter includes an encoder and perceptual encrypter. The encoder... |
| 6990202 |
Packetizing devices for secure scalable data streaming |
| Jan-24-2006 |
A device and method thereof for packetizing scalably encoded and progressively encrypted data. The device includes a receiver adapted to receive a stream of data from an encoding and encrypting device,... |
| 6122245 |
Optical recording medium and reproducing apparatus for optical recording medium |
| Sep-19-2000 |
An optical recording medium has a plurality of layers of recorded information including at least digital data of picture, music, or computer software in a form of recorded marks or pits readable by optical... |
| 7030956 |
Optical intensity modulation method and system, and optical state modulation apparatus |
| Apr-18-2006 |
An optical intensity modulation having a periodicity in the temporal domain is applied on an optical state of an original display image, being displayed on a projection screen or a display screen, that... |
| 6985584 |
Non-volatile record medium, recording method, and recording apparatus |
| Jan-10-2006 |
A non-volatile recording medium for recording a digital audio signal that has been compressed at a compression rate selectable in a predetermined range and block-segmented in a predetermined data length... |
| 5159633 |
Multimedia network system |
| Oct-27-1992 |
There is disclosed a multimedia network system for transmitting real-time communication type information such as a television video signal and storage type information such as a computer file using at... |
| 6118870 |
Microprocessor having instruction set extensions for decryption and multimedia applications |
| Sep-12-2000 |
A subscriber station for decrypting and decompressing data is provided on a single chip. The chip includes a DES decryption unit for performing decryption of incoming data with a DES key, a public key... |
| 6870930 |
Methods and systems for TMDS encryption |
| Mar-22-2005 |
The present invention is directed to systems and methods for protecting digital content during transmission. One version of the invention provides a method for encryption in a high-speed digital video... |
| 6088455 |
Methods and apparatus for selectively reproducing segments of broadcast programming |
| Jul-11-2000 |
Systems and methods for editing broadcast programming signals which allow a user to compile a proprietary signal tailored to the user's individual preferences are provided. Systems of the present invention... |
| 7006630 |
Methods and apparatus for digital content protection |
| Feb-28-2006 |
A multilayer digital content protection system, particularly for a digital cinema application is provided. Detection of unauthorized activity at the time it is occurring is provided using a first protection... |
| 6611916 |
Method of authenticating membership for providing access to a secure environment by authenticating membership to an associated secure environment |
| Aug-26-2003 |
The present invention provides a way to access a secure environment by virtue of a right to access another secure environment. The present invention is directed to, in a general aspect, a method of authenticating... |
