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| Number | Title | Issue Date |
| 8155316 | Contract based memory management for isochronous streams A method of displaying an image includes generating a contract in the display engine, transferring the contract to the memory controller before the end of a sweep, generating a contract amendment in response to changes in the display engine, transferring the contrac... | 04/10/2012 |
| 8068608 | Video processing system for scrambling video streams with dependent portions and methods for use therewith A video processing system includes a video encoder that encodes a video signal into a contiguous video stream having an independent portion and a dependent portion that requires the independent portion for decoding. A scrambling module scrambles the contiguous video... | 11/29/2011 |
| 7916866 | Apparatus for descrambling a data retrieved from an optical storage medium, and method therefor An apparatus for descrambling a data retrieved from an optical storage medium comprises a decoder, a memory and a descramble engine. The decoder decodes the data and generates address information corresponding to an address on the optical storage medium, wherein the... | 03/29/2011 |
| 7760880 | Decoder architecture system and method A decoder may perform node data reordering for bit node processing and node data reordering for bit node to check node interconnections. The decoder may also utilize a single barrel shifting operation on data read from an edge memory for bit node processing or check... | 07/20/2010 |
| 7580523 | Distribution of video content using client to host pairing of integrated receivers/decoders A host receiver and a client receiver are operatively in a direct broadcast satellite system. Program materials received by the host receiver from the direct broadcast satellite system are decrypted by the host receiver. The decrypted program materials are then encr... | 08/25/2009 |
| 7460668 | Optimized secure media playback control A media player manages and controls rights to playback of media content by the media player, which stores, during a registration process in which the media player need not be connected to an external computing system, information used by the media player to control ... | 12/02/2008 |
| RE40468 | Video data bus communication system and method A video data communication system and method are disclosed which provides for the secure transmission of video data among devices connected to a video data bus. The video data is transmitted with address information corresponding to a particular device or, alternati... | 08/26/2008 |
| 7397921 | Receiving apparatus A transmission apparatus updates the encryption method in the event the encryption method is broken. The tool ID of a decryption tool for encrypted data is acquired, the presence of the tool is confirmed and the tool is then acquired and updated, and encrypted data ... | 07/08/2008 |
| 7379548 | Virtual smart card device, method and system A system and a method for secure transmission of protected content to a subscriber, without requiring a smart card or other renewable security element to be in physical proximity of the recipient module of the subscriber, such as a set-top box for example. Therefore... | 05/27/2008 |
| 7366319 | Embedding a multi-resolution compressed thumbnail image in a compressed image file A method (300) of encoding an image into an image code-stream. The method (300) generates a reduced resolution representation of the image and encodes the reduced resolution representation in accordance with a multi-resolution format to form an encoded... | 04/29/2008 |
| 7360252 | Method and apparatus for secure distribution of software Software is securely distributed with limited usage rights. The software may be an executable program and/or one or more data files such as image or multimedia data files. The software includes an access control object which prevents at least some usage of the softw... | 04/15/2008 |
| 7346163 | Dynamic composition of pre-encrypted video on demand content According to certain embodiments consistent with the present invention, a method of processing digital video content, wherein the digital video content comprises intra-coded frames and inter-coded frames, involves selecting a plurality of the intra-coded frames for ... | 03/18/2008 |
| 7343614 | Program delivery system for VOD A novel network manager for use with a cable television system headend capable of monitoring and managing headend components and set top terminals in a television delivery system. The invention relates to methods and apparatus that manage and coordinate the receptio... | 03/11/2008 |
| 7340312 | Method and system for monitoring and control of complex systems based on a programmable network processor A method and apparatus for monitoring and control of a system is disclosed. The method and apparatus include providing a plurality of sensors, a table, and a network processor. The sensors monitor attributes of the system. The table includes a plurality of entries. ... | 03/04/2008 |
| 7336787 | Critical packet partial encryption An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple... | 02/26/2008 |
| 7308099 | Device and method for producing an encoded audio and/or video data stream An apparatus for generating an encrypted data stream representing an audio and/or video signal comprises an encoder for encoding an input signal to generate a data stream with a predefined data stream syntax as output signal. The apparatus further comprises an encry... | 12/11/2007 |
| 7298846 | Method of identifying multiple digital streams within a multiplexed signal In a subscriber television system with a host terminal, the present invention allows the identification of the individual packets from two separate MPEG transport streams that have been multiplexed together for decoding by a single external conditional access or poi... | 11/20/2007 |
| 7266026 | Symbol frequency leveling in a storage system Methods and apparatus for transforming data into a format which may be efficiently stored in a non-volatile memory are disclosed. According to one aspect of the present invention, a method for storing information of a first data format in a memory system includes ge... | 09/04/2007 |
| 7257227 | System for denying access to content generated by a compromised off line encryption device and for conveying cryptographic keys from multiple conditional access systems A method for forwarding messages containing cryptographic keys from a conditional access system that controls a population of set-top boxes to an encryption renewal system. The method includes storing a fictitious address of a virtual set-top box; generating a messa... | 08/14/2007 |
| 7251328 | System for secure decryption of streaming media using selective decryption of header information and decryption of reassembled content A system provides improved security in a streaming media decoder includes decryption of encoded media information at the media layer, within a decoder component of a playback device. A content source, such as an MPEG-4 media stream from a network, or a file on a loc... | 07/31/2007 |
| 7242773 | Multiple partial encryption using retuning A partial dual encryption encoder, consistent with certain embodiments of the present invention receives video from a source of an unencrypted digital video signal. A first segment of the unencrypted digital video signal is selected for transmission over a first cha... | 07/10/2007 |
| 7240217 | Reprogrammable subscriber terminal A reprogrammable subscriber terminal of a subscription television service which can have the control program code of its control processor modified by downloading new program code from the headend. The control processor stores a boot program in an internal read only... | 07/03/2007 |
| 7239706 | Transcoder for decoding encoded TV programs A decoder device has a control unit for decoding encoded TV programs. The decoder device has an input for entering an encoded TV program, a decryption device for decoding an encoded TV program into a format which can be played on a television set, an output which ca... | 07/03/2007 |
| 7239704 | Method and apparatus for recording of encrypted digital data A method relating to recording transmitted digital data in which transmitted digital information is encrypted by a recording encryption key. The recording encryption key is stored by a recording means on a recording support medium. Further, the recording encryption ... | 07/03/2007 |
| 7240113 | Networked conditional access module A networked Conditional Access Module provided on an IEEE 1394 network, by defining a Conditional Access Module as a Conditional Access Subunit of the IEEE 1394 network, providing AV/C Conditional Access Commands to allow communication between the Conditional Access... | 07/03/2007 |
| 7233667 | Record medium, record medium manufacturing device, computer readable record medium on which program is recorded, and data presentation device A record medium comprises an original data obtained by superimposing a presentation target data, to which an error correction encoding is performed and an identification information. ... | 06/19/2007 |
| 7228413 | Data transmitting/receiving method and its receiver A data transmitting/receiving method for charging the reception of pay data in units of a reception or in units of a group to which receivers belong with a high degree of freedom and its receiver. The transmission side allocates the same group identification number ... | 06/05/2007 |
| 7215770 | System and method for partially encrypted multimedia stream A multimedia stream head end includes a legacy conditional access (CA) device that fully encrypts the stream using legacy keys. A copy of the stream is sent to a secondary CA device that encrypts only critical packets in the stream using secondary keys to render a p... | 05/08/2007 |
| 7212678 | Image transfer optimisation A method of retrieving an image for display is disclosed. The image is stored in a compressed wavelet-based format having blocks encoded substantially independently. Initially, a representation (1300) of the image is provided at a first (low) resolution (1... | 05/01/2007 |
| 7209558 | Reproducing device, reproducing method, and receiving device A transmitting section divides a content recorded in a recording medium into data of a predetermined size, reproduces the data, and transmits the data to a receiving device. An erasing section erases the outputted data recorded in the recording medium, when the data... | 04/24/2007 |
| 7191076 | Expandable intelligent electronic device An intelligent electronic device (IED) includes a base module having a power monitoring circuit operative to monitor a parameter of a portion of a power distribution system and generate an analog signal representative thereof. The base module also includes a process... | 03/13/2007 |
| 7184433 | System and method for providing media content to end-users System and method for providing media packets to users, the end users coupled to a communication network having a communication network protocol, the method includes the steps of: (a) receiving non-addressable media packets; (b) blocking media packets of non-selecte... | 02/27/2007 |
| 7181198 | Program rewriting system and method for a portable telephone set The invention provides a portable telephone set wherein a countermeasure can be taken against a bug of software by a user without the necessity for voluntary recovery by a maker. The portable telephone set has a hardware configuration which allows a user of the port... | 02/20/2007 |
| 7164766 | Method for addressing terminals A method for addressing terminals for receiving television programs subject to charge includes dividing the terminals into respective groups, each group having a respective group address. A respective identifier is assigned to each of the terminals of a group, each ... | 01/16/2007 |
| 7146506 | Digital video display system A system for receiving and processing digital video information such as a digital television broadcast, includes a modular platform which receives a plurality of hot pluggable cards. The platform is coupled by a high data rate graphics bus to a digital television di... | 12/05/2006 |
| 7127619 | Decoding and decryption of partially encrypted information An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple... | 10/24/2006 |
| 7123720 | Key scheduler for encryption apparatus using data encryption standard algorithm A key scheduler for an encryption apparatus using a DES encryption algorithm is disclosed. The key scheduler includes: a first permutation choice unit for permuting a 56-bit block; a first register for storing left 28 bits among the 56-bit block from the first permu... | 10/17/2006 |
| 7124303 | Elementary stream partial encryption An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full presentation of a television program to permit coexistence of multiple... | 10/17/2006 |
| 7120926 | Method and system of identifying software and firmware objects available for download over a network such as a cable television system This method and system allow a subscriber to a cable television service to receiving a listing or menu of programming available for that subscriber's set-top terminal to upgrade or enhance the features available over the cable system. A Directory of Services (DoS) m... | 10/10/2006 |
| 7110608 | Digital image compression A method of reconstructing an image, where the input image data is preferably part I or part II compliant JPEG2000 coded data, or pixel data of the original image. The method selects (810) an output resolution R, and then determines a number of sub-passes to ... | 09/19/2006 |
