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| Number | Title | Issue Date |
| 8428255 | Selective switching between data sources A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to de... | 04/23/2013 |
| 8423235 | Video recording device for vehicle and driving information providing method thereof A vehicle video recording device and a driving information providing method are provided. The vehicle video recording device includes: a sensing unit that includes one or more of a positioning unit, an inertia sensor unit, and an environment sensor unit so as to out... | 04/16/2013 |
| 8411857 | Partial multiple encryption A partial multiple encryption device consistent with certain embodiments has an input adapted to receive a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output is adapte... | 04/02/2013 |
| 8406424 | Visual universal decryption apparatus and methods Disclosed is a virtual universal decryption (VUD) service that provides a mechanism for allowing users of camera enabled mobile devices to use their camera to decrypt messages. The VUD service can provide a mechanism for a user of a VUD enabled device to authorize o... | 03/26/2013 |
| 8391482 | Signal format that facilitates easy scalability of data streams A computer readable medium having a data packet stored therein for causing a functional change in the operation of a device is disclosed. In one embodiment, the data packet is comprised of a scalably encoded data portion. In the present embodiment, the data packet f... | 03/05/2013 |
| 8392427 | LSH-based retrieval using sub-sampling A set of reference videos is indexed to a reference index in order to facilitate matching of video content. An indexing module receives a set of reference fingerprints representing a set of reference videos and identifies keys contained in the reference fingerprints... | 03/05/2013 |
| 8385543 | Method and apparatus providing confidentiality, integrity and authenticity for a video file A method, apparatus and computer program product for providing confidentiality, integrity and authenticity for a video file is presented. An encryption header is produced for the video file, the video file including a plurality of packets that carry content, the enc... | 02/26/2013 |
| 8385542 | Methods and apparatus for securing communications between a decryption device and a television receiver Techniques are described herein for securing communications in a television transmission network. A television receiver receives encrypted content from a transmission network and the encrypted content is input into a decryption device. The decryption device decrypts... | 02/26/2013 |
| 8379851 | Optimized client side rate control and indexed file layout for streaming media An indexed file layout, comprising index information, is defined for segmented streaming of multimedia content. The index information can comprise program description information and streaming segment index information. In addition, the layout can comprise files con... | 02/19/2013 |
| 8358782 | Method for displaying a video of a scene Method of displaying a video of a scene onto a display with enhanced image quality, the video of the scene having first subframes and second subframes wherein the first subframes correspond to a first region of an image-presentation element of the display and the se... | 01/22/2013 |
| 8331561 | Fast switching between digital video sources A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to de... | 12/11/2012 |
| 8325916 | Encryption scheme for streamed multimedia content protected by rights management system A stream of content has multiple sub-streams, where each sub-stream comprises a part of the content and is divisible into logical blocks bounded by intrinsic partitions. For each sub-stream, a specification of the logical blocks bounded by the intrinsic partitions i... | 12/04/2012 |
| 8306222 | Removable secure portable electronic entity including means for authorizing deferred retransmission A removable secure portable electronic entity includes elements for receiving a broadcast digital content, elements for sending the received broadcast digital content, secure elements for deferred retransmission of the received digital content adapted to prohibit re... | 11/06/2012 |
| 8300817 | Information processing apparatus, information processing method, and computer program An information processing apparatus for receiving broadcast data and outputting the received data to a client connected to a network includes a broadcast receiving unit that receives broadcast data; an encryption processor that performs encryption processing on the ... | 10/30/2012 |
| 8290156 | Communicating media content from a DVR to a portable device In a method for communicating media content stored on a digital video recorder (DVR) protected by a first DRM system to a portable multimedia device (PMD) using a second DRM system, in which the first DRM system differs from the second DRM system, a request for comm... | 10/16/2012 |
| 8284935 | Method, devices and computer program product for encoding and decoding media data The invention relates to methods for encoding and decoding media data (MD, CMD). One of the methods comprises the following steps: A request is transmitted by a subscriber terminal (1) over a control network (2) to a control server (3) to establ... | 10/09/2012 |
| 8243921 | Decryption system A method of generating a set of clear packets, involves receiving a selectively encrypted stream of data, detecting encrypted packets within the selectively encrypted stream of data, creating the set of clear packets by decrypting the encrypted packets detected with... | 08/14/2012 |
| 8155314 | Systems and methods for securing video card output The various methods and systems described herein are directed to supplying a secure channel for software executing on a host computer. The methods and systems address and provide solutions for an attack model in which rogue software executing on the host computer at... | 04/10/2012 |
| 8144868 | Encryption/decryption of program data but not PSI data At a transmitter, a program is encrypting according to a one program key, the program key is encrypted, and the encrypted program, the encrypted program key, and non-encrypted PSI data to a receiver are transmitted. At a receiver, the encrypted program, the encrypte... | 03/27/2012 |
| 8144867 | Duration computing method in a security module Example embodiments are directed to a duration computing method in a security module inserted into an apparatus including an internal clock. The apparatus may receive a digital data stream encrypted via control words contained in a control message ECM. The method ma... | 03/27/2012 |
| 8090239 | Identification-information recording system, management unit, recording unit and recording control circuit A management server has: an identification-information reproducing unit which reproduces identification information from an optical disk; an invalid-unit intrinsic-information registration section which registers the reproduced identification information; and a rest... | 01/03/2012 |
| 8073142 | Information recording/reproducing device and information recording medium Embodiments protect user data in its entirety from unauthorized access when an authorized user does not access a medium for a predetermined length of time by making encryption key data used to encrypt the user data unavailable. In one embodiment, using a magnetic di... | 12/06/2011 |
| 8036381 | Partial multiple encryption A partial multiple encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the p... | 10/11/2011 |
| 8031868 | Apparatus, method, and computer program product for recording content A content recording apparatus includes a key selecting unit that selects an encryption key for performing an encrypting process to adjunct data from pieces of information recorded on a recording medium, when a user generates the adjunct data which is data derived fr... | 10/04/2011 |
| 8027468 | Method and system for camera sensor fingerprinting Some embodiments of the application provides methods and systems for providing camera fingerprinting by receiving a video frame from a camera, generating a confidence map based on an image characteristic associated with the video frame, generating a signature based ... | 09/27/2011 |
| 8023651 | Block ciphering system, using permutations to hide the core ciphering function of each encryption round In a system, a server provides a digital signal processing function ƒ to an executing device in an obfuscated form. The function ƒ includes a function cascade of signal processing functions ƒi, 1≦i≦N (e.g., FC1(x)≡ƒN∘ . .... | 09/20/2011 |
| 8005216 | Method and apparatus providing confidentiality, integrity and authenticity for a video file A method, apparatus and computer program product for providing confidentiality, integrity and authenticity for a video file is presented. An encryption header is produced for the video file, the video file including a plurality of packets that carry content, the enc... | 08/23/2011 |
| 7970137 | Content reproduction apparatus, content recording apparatus, network system, and content recording/reproduction method Content reproduction apparatus, content recording apparatus, network system, and method of recording and reproducing content are provide. The content reproduction apparatus includes an original content reception section for receiving streams of original content; an ... | 06/28/2011 |
| 7970138 | Method and apparatus for supporting broadcast efficiency and security enhancements A method and apparatus for providing conditional access to media programs is described. An exemplary method comprising the steps of transmitting media information encrypted according to a control word (CW) to a receiver station, transmitting entitlement management i... | 06/28/2011 |
| 7965838 | Watermark generating circuit and related method thereof A watermark generating circuit includes: a first computing circuit, for generating a second reference signal according to a computing parameter, an input data and a first reference signal; a second computing circuit, coupled to the first computing circuit, for gener... | 06/21/2011 |
| 7965839 | Encryption system for satellite delivered television A television content delivery system consistent with certain embodiments has a receiver system that receives television content from a plurality of content suppliers. A selective multiple encrypter selectively multiple encrypts the television content, wherein the re... | 06/21/2011 |
| 7965837 | Method and system for wireless digital video presentation High definition (HD) video may be sent from, e.g., a laptop computer on a table in a room to a video projector mounted on the ceiling using a 60 GHz high capacity (2.5 Gbps) wireless link. At this frequency and data rate, the signal is so short range and directional... | 06/21/2011 |
| 7957528 | Near field registration of home system audio-video device A near field communication (NFC) sticker which stores a key is attached to a new client device. A remote commander in a home network reads the key using a NFC interface and IR-transmits it to a home network server. Once the client is connected to the network, it enc... | 06/07/2011 |
| 7945046 | Decryption processing apparatus, decryption method and image forming apparatus There is described a decryption processing apparatus and an image forming apparatus, which make it possible to prevent the encrypted data from being incorrectly decrypted by employing a wrong decryption key. The decryption processing apparatus for decrypting encrypt... | 05/17/2011 |
| 7945047 | Cryptographic key distribution system and method for digital video systems A system and method for distribution of cryptographic keys to data encryption and decryption devices used to protect digital video/multimedia data transmitted over a display link between a digital video/multimedia source and a display device are provided. The digita... | 05/17/2011 |
| 7933408 | Asynchronous download The claimed subject matter provides a system and/or method that asynchronously disseminates multimedia content to disparate clients. The disclosed system can include a component that receives multimedia content supplied by a multimedia publisher, encrypts or applies... | 04/26/2011 |
| 7933407 | Digital video protection for authenticity verification A method and apparatus for verifying the authenticity and integrity of an ordered sequence of digital video frames, without having access to the original recording, by embedding therein a respective series of digital signatures based on a secret key, or keys, and on... | 04/26/2011 |
| 7925016 | Method and apparatus for descrambling content In accordance with one embodiment, a method for securing control words is provided. The method includes receiving scrambled digital content in a descrambler integrated circuit. The method further includes receiving an encrypted control word in the descrambler integr... | 04/12/2011 |
| 7916864 | Graphics processing unit used for cryptographic processing A graphics processing unit is programmed to carry out cryptographic processing so that fast, effective cryptographic processing solutions can be provided without incurring additional hardware costs. The graphics processing unit can efficiently carry out cryptographi... | 03/29/2011 |
| 7912217 | Customized advertisement splicing in encrypted entertainment sources In one embodiment, a method includes receiving gap information from an entertainment content source configured to provide an entertainment stream associated with a contributing source information providing a source of the entertainment stream and a chronological ord... | 03/22/2011 |
