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Interactive Video Distribution Systems > Access Control Or Blocking > With Encryption Or Scrambling Of Video Signal With Encryption Or Scrambling Of Video SignalWith Encryption Or Scrambling Of Video Signal 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.09/13/07 - 20070214474 - Methods and systems to operate a set-top box According to a first aspect there is provided systems and methods for receiving an encrypted signal from a portable communication device, the encrypted signal containing information associated with a command; and decrypting the encrypted signal to enable a set-top box to execute the command. According to a second aspect there ... 08/30/07 - 20070204290 - Method for protecting contents of broadband video/audio broadcast Embodiments of the invention disclose a method and a system for protecting contents of a broadband video/audio broadcast, which solves the problem of poor security concerning the video/audio broadcast on a broadband network of (he prior art. In the method a multicast entitlement control list is kept in a broadcast ... 08/23/07 - 20070199015 - System for deferred rights to restricted media A software application program and method are disclosed for allowing blacked-out television content to be viewed when restrictions on the television content have been lifted. The present system may be part of a software platform for providing television content to subscribers via a broadband IP network service provider such as ... 08/16/07 - 20070192790 - Method and system for preventing simultaneous use of contents in different formats derived from the same content at a plurality of places The original content and the converted content obtained by converting the original content are encrypted by the same content key. A license containing data of use conditions such as the content key and a use period is recorded in an area of a storage medium limited for access. When the ... 08/16/07 - 20070192789 - Inserting data objects into encrypted video streams In a particular embodiment a method is disclosed for inserting data objects into a video stream. The method encrypts a first portion of the video stream at a server, suspends encryption of a second portion of the video stream, and sends the first and second portions of the video stream ... 08/02/07 - 20070180464 - Method and system for restricting use of data in a circuit An integrated circuit restricts use of a data item and includes a data memory storing the data item; a value memory storing a value; a signature input that receives a signature derived from data in a data item field and a value in a value field, the signature being in ... 06/21/07 - 20070143784 - 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 ... 05/03/07 - 20070101358 - Method and system of authenticating host A method of authenticating a host used to unscramble scrambled television signals. The method including authenticating the host in response to receiving a correct reply to a question and answer (Q&A) inquiry, wherein the Q&A inquiry includes a question and answer. ... 04/26/07 - 20070094679 - Digital medium with hidden content A digital medium such as a DVD disk, may contain hidden content and apparent content. When loaded, a main or title menu may appear to provide an apparent link to apparent content and a non-apparent link to non-apparent content. The non-apparent link may require a user to perform a sequence ... 03/29/07 - 20070074242 - Methods and apparatuses for determining scrambling codes for signal transmission Methods and apparatuses for determining scrambling codes for minimizing co-channel interference in a communication system. A method in accordance with the present invention comprises defining at least one initial default sequence, generating a scrambling code, scrambling a signal using the generated scrambling code, comparing the scrambled signal with all other ... 03/29/07 - 20070074241 - Digital video receiver and display method thereof Disclosed herein are a digital video receiver which supports a High Definition Multimedia Interface (HDMI) standard, and a display method thereof. The digital video receiver includes an HDMI receiver including a memory for storing HDMI information, and a High-bandwidth Digital Content Protection (HDCP) module. As such, it is possible to ... 03/15/07 - 20070061836 - Video processing apparatus and method The present invention relates to a video processing apparatus that includes: a signal receiver receiving an encrypted video signal which contains access rights information of a transmitting side and decryption information; an information extractor extracting the access rights information of the transmitting side and the decryption information from the video ... 03/08/07 - 20070055982 - System and method for digital content media distribution Presented is a playback device capable of encrypted media content distribution that includes a processor, a decryption algorithm stored in memory, multiple units of encrypted media content preloaded on a storage device, a decoder that decrypts the media content using a decryption key, a receiver and remote control apparatus. A ... 03/01/07 - 20070050808 - Program content reproduciton apparatus capable of appropriately notifying viewer of presence of sub content A program content reproduction apparatus obtains a program content and authentication information transmitted from a broadcast station at a broadcast reception unit, and obtains sub content data transmitted from a server at a communication unit. The program content is reproduced and displayed by a program content reproduction unit. The sub ... 02/01/07 - 20070028260 - Multipurpose television module An external module for use with a host television device consistent with certain embodiments wherein the host television device receives at least one content service has a connector for attaching to the module. Java™ code is received from the content service being received by the host television device over the ... 01/18/07 - 20070016920 - Channel-switching in a digital broadcasting system A channel-switching apparatus and method in a digital broadcasting system omits conditional access control in logical channel-switching in one physical channel from processes that are executed for channel-switching in a digital broadcasting system, thereby reducing channel-switching time. ... 01/18/07 - 20070016919 - Method of processing broadcast signal in television receiver and television receiver using the same A method of processing a broadcast signal in a television receiver and a television receiver using the same are provided, by which contiguous packets of a transport stream can be selectively blocked in reproduction. The television receiver includes a decoder for decoding a broadcast signal constructed as a transport stream ... 01/04/07 - 20070006254 - Open cable set-top box diagnosing system and method thereof An open cable set-top box diagnosing system in which a point of deployment (POD), separated from a main circuit unit, having a newly defined interface is used to check an operation state of an open cable set-top box, transmits the checked state to a predetermined server, according to which the ... 01/04/07 - 20070006253 - Partial pre-encryption with network-based packet sorting Partial pre-encryption with network-based packet sorting. A video-on-demand (VOD) delivery system for delivering encrypted transport streams to incumbent and overlay set-top boxes utilizes a packet picker/duplicator for sorting selected packets from non-selected packets, duplicating the selected packets, and encrypting one of the pair of duplicated selected packets according to an ... 12/28/06 - 20060294540 - System and method for improved multi-stream multimedia transmission and processing A method for efficiently transmitting several multimedia streams to one or more multimedia receivers comprises transmitting a first plurality of channels within a first plurality of frequency blocks having a first frequency range, said first frequency range being the range to which a legacy group of multimedia receivers are capable ... 11/30/06 - 20060271950 - Security device and head end in conditional access system and method for controlling illegal use in the system A security device and a head end of a conditional access system (CAS), and a method for controlling illegal use of the conditional access system, capable of minimizing the number of entitlement management messages (EMMs) to be distributed from a head end to a user are provided. Update keys encrypted ... 10/19/06 - 20060236335 - Storage control system A storage control system for a decoder. A decoder with a hardware platform for receiving and decoding coded data and a storage system for temporarily holding the decoded data from the hardware platform. A transport stream containing a global control data stream is used to manage the storage system. The ... 10/19/06 - 20060236334 - Uplink signaling for global decoder control Uplink signaling for controlling a plurality of decoders at a remote site. An uplink has a control server for controlling a storage system of the decoders at the remote site. The control server of the uplink controls the storage system by injecting at least one global control stream multiplexed with ... 07/06/06 - 20060150211 - Method and terminal for limited-access receiving of data as well as remote server A method for limited-access receiving of data is disclosed. In a remote server (5), data for decoding user data are encrypted with the first key, which has been generated on the basis of the user's biometric or key data derived therefrom, and sent as program-accompanying data through a broadcast system. ... 05/18/06 - 20060107286 - System and method for the controlled on-demand distribution of content via a centralized server and a peer-to-peer network A method and system for providing controlled on-demand distribution of content via a centralized server and a peer-to-peer network have been described. The method may include receiving, at a server, a request from a client for content where the requesting client and the server are part of a peer-to-peer network. ... 05/11/06 - 20060101485 - Information processing apparatus that receives broadcast program data An information processing apparatus includes a receiver which receives a stream in which a plurality of compression-encoded broadcast program data are multiplexed, a processor, a bus, a filter circuit which extracts, based on packet identifiers of the packets included in the received stream, packets corresponding to broadcast program data to ... 03/30/06 - 20060070096 - Broadcasting receiving apparatus and broadcasting receiving method A broadcasting receiving apparatus includes a tuner to receive a broadcasting signal and output a reception signal selected therefrom, a demodulation portion to output a video audio signal by demodulating the reception signal from the tuner, an encryption portion to output an encrypted video audio signal by encrypting the video ... 03/16/06 - 20060059508 - Apparatus for providing conditional access to a stream of data A decoder decrypts data from the stream of data, using decryption control words. A secure device is coupled to the decoder to supply the control words. The secure device has a memory space for storing at least two items of entitlement information with associated authorization keys. The secure device has ... 02/23/06 - 20060041905 - Retrieval and transfer of encrypted hard drive content from dvr set-top boxes A system and method for retrieval and transfer of encrypted content from a failed set-top box. When content is recorded to the storage device of a set-top box, the content is encrypted with a content instance key. This content instance key is encrypted with the public key of the set-top ... 02/09/06 - 20060031873 - System and method for reduced hierarchy key management A controller for managing media stream decryption keys includes a media decryption engine, a table, and a content key list. The media decryption engine receives an encrypted media stream from a headend and presents a decrypted media stream to a receiving device in response to a decryption key, wherein the ... 02/02/06 - 20060026627 - Method and apparatus for controlling display of content signals A method and apparatus for controlling display of content signals begins by receiving a content signal that includes video content and at least one associated content control indicator. The content signal may also include audio content associated with the video content. The processing continues by comparing the at least one ... 12/29/05 - 20050289586 - Method and apparatus for controlling display of digital broadcasting Provided are a method of transmitting digital broadcasts, a method and apparatus for controlling the display of digital broadcasting, and a computer-readable recording medium on which a program executing the controlling method is recorded. The method of controlling the display of digital broadcasting includes receiving an ensemble comprising at least ... 12/15/05 - 20050278733 - Verification information for digital video signal According to some embodiments, verification information is provided for a digital video signal. For example, a digital video signal including a first portion and a second portion may be determined at a video server. Verification information associated with the first portion may be calculated using a verification function and encrypted. ... 11/24/05 - 20050262529 - Method, apparatus and system for remote real-time access of multimedia content A method, apparatus and system for remote real-time access of personal multimedia content is disclosed. One embodiment of the present invention enables users to securely access their personal multimedia content from remote locations while retaining the ability to manipulate the content (hereafter referred to as “trick play”). Numerous components of ... 11/03/05 - 20050246735 - Methods of broadcasting and reception of radio or television data, and also transmitter and receiver for implementing of these methods The next subject-matters of the invention are a transmitter containing a unit (104) of encoders (103a, 103b, 103c) multiplexer (106) or generator (105) of the PSI data and receiver (110) of radio or television data. ... 09/22/05 - 20050210500 - Method and apparatus for providing conditional access to recorded data within a broadband communication system A method (300) for providing conditional access to data. A conditional access system (24) is responsive to subscriber devices (14, 20), and the data (52) is stored on a recording medium (50) and encrypted using an encryption key (54) when the recording medium (50) is detachably coupled to a first ... 09/08/05 - 20050198662 - Content distribution system The content distribution system of the invention changes over the content distribution destination between terminals which have different content receiving formats. The terminals comprise means for requesting, while viewing content from a broadcasting station, changeover of distribution of this content to another terminal. The broadcasting station comprises means for changing ... 08/25/05 - 20050188398 - Process for managing the handling of conditional access data by at least two decoders The invention also concerns a decoder that allows the implementation of the method according to the invention and characterized in that it includes local communication means (10) structured to transmit messages to other decoders and to receive messages originating from said other decoders, and processing means for messages received by ... 08/11/05 - 20050177845 - Packetization of non-mpeg stream data in systems using advanced multi-stream pod interface Aspects of the present invention may be found in one or more systems and/or methods to encapsulate or packetize non-MPEG and MPEG data. The encapsulation or packetization allows both the non-MPEG and MPEG data to be utilized by a set-top-box that conforms or complies with the OpenCable™ Advanced Multi-Stream POD ... 07/28/05 - 20050166219 - Method and apparatus for providing access protection in a digital television distribution system A method and apparatus for providing access protection in a digital television distribution system having a master headend and at least one local headend is described. In one example, first authorization data associated with content services for distribution is defined. The content services are protected at the master headend. The ... 06/30/05 - 20050144634 - Method for providing pay-tv service based on session key Disclosed is a method for providing a pay-TV service based on a session key. The method includes the steps of: selecting a desired pay event using a program guide displayed on a system of the subscriber and achieving a subscriber private key; filling out a service application based on service ... 06/23/05 - 20050138654 - Digital content distribution system A digital content distribution system comprises a high definition television broadcaster and a consumer media unit. The high definition television broadcaster comprises a high definition television transmitter configured for multicasting, on a repeating periodic basis, an encrypted terrestrial high definition television signal of a plurality of encrypted digital content selections ... 06/16/05 - 20050132399 - Secure clock Apparatus comprising a secure time element comprising a timing device that outputs to a plurality of delay devices, wherein the delay devices have characteristic delay times which are alterable as a result of a tampering attempt to tamper therewith, and wherein a characteristic delay time of one of the delay ... ### FreshPatents.com Support |