REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Cryptography > Video Cryptography > Video Electric Signal Modification (e.g., Scrambling) Video Electric Signal Modification (e.g., Scrambling)Video Electric Signal Modification (e.g., Scrambling) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.09/27/07 - 20070223693 - Compensating watermark irregularities caused by moved objects The present invention relates to a method, device and computer program product for determining additional data to be embedded in a media signal as well as a media signal processing device having such a device for determining additional data. The device for determining additional data comprises an embedding unit (28). ... 07/26/07 - 20070172056 - Television receiver and electronic device On the other hand, during maintenance, a predetermined code is inputted from a button group (18) to output a regular decryption parameter to the decoding circuit (13). ... 07/26/07 - 20070172055 - Apparatus and method for distorting digital contents and recovering the distorted contents A distorted contents generating apparatus is provided. The distorted contents generating apparatus includes: an initial value generation unit for generating an initial value used to generate a random number for a distorting filter; a random number generation unit for generating a random number for the distorting based on the initial ... 07/19/07 - 20070165853 - Method for tracing traitor coalitions and preventing piracy of digital content in a broadcast encryption system A system, method, and computer program product to find coalitions of receivers who collude to produce pirated protected content, then evaluates the confidence that particular members of each identified coalition are traitors versus innocent receivers incriminated by chance. Typically, each file in a group of original files is modified to ... 07/12/07 - 20070160208 - Selective and persistent application level encrytion for video provided to a client A system, apparatus, and method are directed towards allowing ingestion of encrypted content into such as a VOD server, or PVR, or the like by selectively encrypting portions of a content stream based on various selection rules. In one embodiment, the selection rules include leaving selected portions of the content ... 07/12/07 - 20070160207 - Method for matching a reception terminal with a plurality of access control cards memorising the unique identifier of the connected security module (6, 8) in the reception equipment (2), on the fly. ... 05/17/07 - 20070110239 - Microprocessor including random number generator supporting operating system-independent multitasking operation A microprocessor that includes a random number generator (RNG) that saves and restores its own state on a task switch without operating system (OS) support. The RNG includes a control and status register (CSR) for storing control values that affect the generation of random numbers. The CSR is not saved ... 03/22/07 - 20070064941 - Control 3 signal synthesis A method consistent with certain embodiments, of processing a received encrypted frame signal, wherein the received encrypted frame signal is indicative that a specific video frame is encrypted, involves receiving a video signal including the received encrypted frame signal; wherein the received video signal comprises a received bit stream; synthesizing ... 03/15/07 - 20070058810 - Communication system and synchronization control method A sender transmits to a receiver an optical signal that is phase-modulated in accordance with source data and a basis stored in a memory. The receiver phase-modulates the received optical signal in accordance with a basis, obtains detection data through interference, and stores the detection data in a memory. An ... 02/22/07 - 20070041585 - Receiver apparatus for mpeg-4 ipmp extended isma media stream A receiver, which receives an ISMA media stream that is MPEG-4 IPMP-expanded, is provided with processes of: receiving an ISMA media stream containing an ISMA head, contents and an IPMP tool list descriptor that indicates a method for processing the contents; acquiring the IPMP tool list descriptor from the ISMA ... 10/19/06 - 20060233368 - Method for conditional access in a dmts/docsis enabled set top box environment The DOCSIS portion of a composite subscriber device is coupled to a video device. The DOCSIS portion ranges and obtain a symmetric session key generated and encrypted using the DOCSIS portion's private key, and broadcast from a central network device over a data channel. The session key is decrypted using ... 10/19/06 - 20060233367 - System and methods for an overlay disk and cache using portable flash memory A system is provided for reading and writing sectors which may be realized as either a disk device to the local operating system, or as a virtual disk device to a virtual machine. A user's computing environment is stored in the network in the form of a disk image, which ... 10/12/06 - 20060227969 - Visual cryptography system The present invention relates to a visual cryptography system. The system comprises a first and a second display device (1, 2), arranged for, upon being superimposed on each other, reconstructing a graphical message from two respective shares. At least one of said display devices (1, 2) comprise means for facilitating ... 08/17/06 - 20060182279 - Secure conditional access port interface An apparatus and method thereof for providing a secure path for a digital signal in an intelligent transceiver such as a bi-directional set-top box. A digital signal (e.g., a broadcast signal or a signal received via a cable modem) is received by the intelligent transceiver at a front-end device (comprising, ... 07/20/06 - 20060159263 - Scrambled state display method of broadcasting signal A scrambled state display method of a broadcasting signal is disclosed whereby discrimination is made as to whether cable TV broadcasting signal is a scrambled A/V stream and it is displayed on a screen. If a channel switchover command is inputted, a tuner is made to tune to a broadcasting ... 07/20/06 - 20060159262 - Device for marking and restoring multimedia signals The invention concerns a device for processing a signal comprising a signal transforming module (5) capable of producing a transformed signal (xi) from an original signal and a mixing module (10) for marking the transformed signal with a marking message (M). The mixing module (10) comprises: a formatting module (14) ... 07/06/06 - 20060147042 - Method of distributing scrambled services and/or data authorising the reception of the data and/or services by a slave terminal only if the first secret code SM is previously stored in the slave terminal. ... 06/22/06 - 20060133610 - Method and system for a secure high bandwidth bus in a transceiver device A transceiver system for receiving content contained in a secure digital broadcast signal including a first component for generating a data stream from a received digital broadcast signal coupled to a first encryption/decryption unit configured to encrypt the data stream generated from the digital broadcast signal. Transceiver system includes a ... 05/18/06 - 20060104444 - System and practice for surveillance privacy-protection certification and registration There is provided an apparatus for the certification of privacy compliance. The apparatus includes a registry of at least one of enrolled video surveillance operators, approved surveillance hardware devices, approved surveillance software programs, approved surveillance system installers, and approved entities that manage surveillance systems. The apparatus further includes a registry ... 05/11/06 - 20060098822 - Interoperable conditional access receptors without consensual key sharing A method and device for forcing the coexistence of different conditional access systems in an existing conditional access system. In one embodiment, the keys used to encrypt the pay television programming are extracted from an incumbent conditional access system and sent in messages to the set top boxes of the ... 05/04/06 - 20060093141 - Digital encrypted time capsule A method and apparatus for enabling and/or providing delayed decryption is disclosed. In one embodiment, the method comprises receiving encrypted information and additional information and decrypting the encrypted information, using the additional information, no sooner than a specified time. The additional information includes data indicative of the time. ... 04/27/06 - 20060088163 - Integrated circuit capable of pre-descrambling a portion of a frame A method according to one embodiment may include receiving a frame comprising scrambled data, identifying a portion of the scrambled data, descrambling the portion to obtain descrambled data associated with the portion; and evaluating the descrambled data and providing a result of the evaluating operation before completion of descrambling of ... 04/27/06 - 20060088162 - Synchronisation of secure audiovisual streams This invention relates to a device capable of transmitting in a secured manner a set of films of high visual quality to a display screen of the TV screen type and/or for being recorded on the hard disk or on any other recording support of a box/connector connecting the teletransmission/telecommunication ... 04/20/06 - 20060083375 - Apparatus and method for controlling recording operation A record control apparatus for use in a broadcast signal receiver including a stream storage unit descrambles a scrambled record file, and records the descrambled record file. The apparatus includes: a broadcast stream record/reproduction controller for controlling recording/reproducing operations of a scrambled broadcast stream, and storing information indicative of a ... 04/13/06 - 20060078113 - Information security using digital holography A method and system for encrypting multi-dimensional information utilizing digital holography is presented. A phase-shifting interferometer records the phase and amplitude information generated by a three-dimensional object at a plane located in the Fresnel diffraction region with an intensity-recording device. Encryption is performed by utilizing the Fresnel diffraction pattern of ... 03/23/06 - 20060062385 - System for providing keys A method for providing keys for descrambling scrambled content, the scrambled content being divided into frames, the method including: identifying a plurality of frames to be descrambled; for each frame of the plurality of frames, identifying a key period associated with a key for descrambling the frame; and for at ... 02/02/06 - 20060023881 - Receiver and receiving method When a channel which is not scrambled is selected, an error occurs in a digital stream processed in a CA processing module, which causes noises to occur in video and audio signals to be viewed. If a FAT channel to be received is a channel that is not CA-scrambled, a ... 01/19/06 - 20060013392 - Digital electronic component which is protected against electrical-type analyses This invention relates to a digital electronic component which is protected against electrical- and/or electromagnetic-type analyses. The inventive component comprises: a synchronous element (10) which is controlled by a clock (H); means (11, 12) of generating said clock (H), the frequency of which varies randomly between a minimum value and ... 12/22/05 - 20050281407 - Scrambling apparatus and method in wireless communication system An apparatus and method of protecting content from a third party in a communication system including a wired section and a wireless section. The content transferred through the wired section is scrambled separately from a transfer through the wireless section. A controller of a sending end determines scrambling algorithms and ... 12/15/05 - 20050276416 - Scalable layered access control for multimedia A flexible framework for generating “scalable layered access” codestreams allows a bitstream architect to select the number of access types and the number of access layers within each access type. At least some of the access layers are encrypted (or scrambled). Some of the access layers may be left unencrypted ... 10/13/05 - 20050226415 - Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device In a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packets, a program distribution system, a program transmission system, a pay broadcast system, a program transmission method, a conditional access ... 10/13/05 - 20050226414 - Methods and apparatuses for minimizing co-channel interference Methods and apparatuses for minimizing co-channel interference in communications systems are disclosed. A method in accordance with the present invention comprises scrambling a first frame using a first scrambling code, attaching a first header to the first frame to create the first signal, scrambling a second frame using a second ... 10/13/05 - 20050226413 - Shooting apparatus, managing server, shooting managing system and shooting managing method There is disclosed a shooting apparatus includes a shooting portion which shoots a subject to generate an original image, an index image generating portion which generates an index image from the original image, an image memory which stores at least an image, a communicating portion which performs transmission/reception of information ... 09/29/05 - 20050213759 - Video signal processing system video-signal processing apparatus and method, recording medium, and program The present invention relates to a video-signal processing system, a video-signal processing apparatus and method, a recording medium, and a program for immediately recovering from loss of synchronization while encrypting/decrypting a video signal. An encryption processing unit 22 encrypts a frame number Tx, which has been obtained by counting vertical ... 09/22/05 - 20050207576 - Method and apparatus for processing a stream that contains encrypted information Video information is transmitted encrypted as part of a video stream, so as to provide conditional access to the video information. The video stream comprising mutually interspersed first and second subsets of the image frames. The information for the image frames of the first subset is encrypted. A stream is ... 09/08/05 - 20050195976 - System for protecting information content System for protecting copyrighted information, e.g., video signals, from unauthorized copying. Analog red (R), green (G) and blue (B) video signals are transmitted from a source device, e.g., a display adapter, to a display device, e.g., a monitor, over corresponding analog signal lines after the identify of the destination device ... 08/04/05 - 20050169469 - Domino scheme for wireless cryptographic communication and communication method incorporating same A system and method for secure wireless cryptographic communication among participants in a wireless computing network is presented. This secure communication method is based on a random modulation technique and a domino match. Once the initial modulation scheme is selected, each data transmission includes an indication of what modulation scheme ... 08/04/05 - 20050169468 - System and method for security processing media streams A system for multi-stream security processing and distributing digital media streams includes a headend, a network, and at least one receiver. The headend is generally configured to generate encrypted digital media streams. The network may be coupled to the headend and configured to receive the encrypted digital media streams. The ... 07/14/05 - 20050152547 - Secure video card methods and systems Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, unencrypted data is provided in a video card memory. The unencrypted data is encrypted on the video card and transferred off of the video card. ... 07/14/05 - 20050152546 - Digital video broadcasting receiver A digital video broadcasting receiver comprising a first input for receiving a first transport stream of data (TS#1) and a second input for receiving a second transport stream of data (TS#2), each transport stream comprising a plurality of packets and each packets having a header including a packet identifier PID. ... 07/14/05 - 20050152545 - Conditional access control The invention relates to a secure data processing system including an unscrambling module [DSC] disposed on a dedicated hardware part [HW] of an integrated circuit and intended to unscramble a stream of data [SP] scrambled according to a scrambling key, a module [CM] for calculating an unscrambling key [Kp] disposed ... 06/23/05 - 20050135617 - Apparatus and method for scrambling high-rate data The apparatus and method for scrambling high-rate data is disclosed. The apparatus includes a first storing unit for storing a transport stream (TS) inputted from an external device; a common key (CK) generating unit for generating a CK by receiving a control word (CW) from an external conditional access system ... ### FreshPatents.com Support |