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7620967 |
Method for transmitting multimedia information elements, receiver of multimedia information elements distributed by said method and user interface for consulting said information elements
A method of broadcasting multimedia information items, a receiver of multimedia information items broadcast by that method, and a user interface for consulting the information items. The invention...
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7617510 |
Media network using set-top boxes as nodes
Subject matter includes methods of using conventional set-top boxes that receive streaming video modulated on coaxial cable rather than over an IP-based LAN as nodes in a media network. In one...
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7616869 |
Television receiver embedded with disc device and method for setting viewing limitation level thereof
When a viewing limitation level is set from a receiver side, if the setting of the viewing limitation level is selected from a set-up screen, a TV side microcomputer displays an access code screen....
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7607022 |
Configurable encryption/decryption for multiple services support
A system to transmit a set of programs from a transmitter to a receiver is used to accommodate different levels of security used for each program. When a high level of security is necessary for...
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7600238 |
Method for verifying television receiver sets with access control and corresponding receiver set
The invention concerns a method for verifying television receiver sets with access control and a corresponding receiver set. The invention is characterized in that a broadcaster performs...
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7590860 |
Secure data processing apparatus
A method for processing data involving receiving a scrambled program and encrypted data including at least one control word used to descramble the scrambled program at a receiver/decoder...
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7577846 |
Mechanism of matching between a receiver and a security module
System for controlling the transmission of information between a receiver and a security module, especially for a pay television system, in which the transmitted information is encrypted and...
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7577337 |
Audio/video data recording/reproducing device and method, and audio/video data reproducing device and method
An audio/video data recording/reproducing device is provided that allows all video and audio signals, which can be displayed by a display of the audio/video data recording/reproducing device...
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7574720 |
Data transmitting method, data transmitting system, data receiving method and receiving terminal
In a method and system for transmitting and receiving data, specified data can be transmitted only to a specific receiving terminal by assigning unique terminal information to the receiving...
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7571451 |
Method and apparatus for performing session based conditional access
A video-on-demand conditional access information distribution system includes establishing a session with a set top terminal by defining an in-band communications channel for transporting content...
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7571316 |
Method and device for transforming a digital signal
The invention relates to a method of transforming a digital signal for it to be transmitted, the signal being decomposed into several regions each containing digital data, the signal comprising...
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7568107 |
Method and system for auto discovery of authenticator for network login
A method and system for auto discovery of authenticator for network login is described. The system includes an authenticator discovery controller of a packet forwarding device that helps a user...
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7559070 |
Moving image distribution system, moving image dividing system, moving image distribution program, moving image dividing program, and recording medium storing moving image distribution program and/or moving image dividing program
A moving image distribution system, wherein the user can view content moving images at no charge, and the provider of the content moving images can prevent a drain of the moving image contents and...
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7552457 |
Method of controlling descrambling of a plurality of program transport streams, receiver system and portable secure device
A method of controlling descrambling of a plurality of program transport streams received by a receiver system comprises receiving a sequence of messages in a conditional access sub-system ( 9,10 )...
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7546618 |
Lower-power standby mode for consumer electronics
A conditional access device is provided. The conditional access device typically includes conditional access decryption, interface, timing and control logic. The conditional access decryption logic...
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7545935 |
Networked multimedia overlay system
Systems and methods are disclosed for providing encrypted downstream signals to a plurality of receiver devices 130, 135, 140 , where the devices 130, 135, 140 may have different decryption...
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7529415 |
Adaptive and progressive protection of fixed images encoded in wavelets
A process for secured distribution of fixed numerical images according to a nominal format resulting from numerical encoding in wavelets, represented by a original stream including a packet...
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7526785 |
Trusted computing platform for restricting use of data
A client/server system has a client platform adapted to provide restricted use of data provided by a serve. The client platform comprises a display, secure communications means, and a memory...
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7526091 |
Method for transmitting and receiving control information for encryption in a mobile communication system supporting multimedia broadcast/multicast service
A method for minimizing overhead occurring caused by control information for encryption performed to protect MBMS data for an MBMS service in a mobile communication system. This method is...
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7516466 |
Method and apparatus for retrieving data from a broadcast signal
A broadcast signal is received that includes a data identifier that identifies data associated with the broadcast signal. The broadcast signal also includes the data associated with the broadcast...
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7508454 |
Digital television conditional access methods and apparatus for simultaneously handling multiple television programs
A digital television receiving system having a security mechanism which simultaneously handles two or more separate television program signals is described. The system includes a plurality of...
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7505592 |
Apparatus for entitling and transmitting service instances to remote client devices
A server in a subscriber television network receives service instances from a headend of the subscriber television network. The server is adapted to encrypt according to an encryption scheme and...
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7502473 |
Process for managing the handling of conditional access data by at least two decoders
One embodiment of the invention relates to a management method for conditional access data processing by at least three decoders associated to a subscriber. These decoders include...
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7499545 |
Method and system for dual link communications encryption
A method and systems are provided for creating an authentication of secure communications between a software video driver and a video display. A video driver transmitting digital video data deemed...
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7492897 |
Conditional access system for broadcast digital television
A method for managing access to scrambled broadcast or transmitted events received from a variety of service providers (including broadcast television networks, cable television networks, digital...
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7489780 |
Security integrated circuit
A semiconductor integrated circuit for the processing of conditional access television signals comprises an input interface for receiving encrypted television signals and an output interface for...
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7486793 |
Invoicing management method of a service transmitted per time unit
The objective of the present invention is to propose an accounting method of the consumption of transmitted services per time unit to a decoder in a system implementing a content encrypted by...
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7477743 |
Hybrid network encrypt/decrypt scheme
A hybrid method for a service provider to transmit decryption information (e.g., algorithms, parameters, keys) to clients in a secure manner and at low cost for use in decrypting broadcast...
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7475415 |
Receiver, distribution method of release information and distribution method of contents
In the case when password data (PW 1 ) added to a TV broadcasting signal and password data (PW 2 ) transmitted from an Internet connection section ( 2 ) have a predetermined correlation with each...
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7475331 |
Data dependent scrambler with improved global constraint
A data dependent scrambler for a communications channel that receives a user data sequence including N symbols each with M bits includes a seed finder that selects a scrambling seed and a first...
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7472424 |
Parental controls for entertainment content
Parental controls for entertainment digital media are provided that allow a parent to restrict multiple user's access to entertainment content. One or more updatable rating definition files with...
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7457415 |
Secure information distribution system utilizing information segment scrambling
A method and apparatus for securing and, optionally, distributing an information stream by divided the information stream into a collection of segments and compressing the segments, rearranging the...
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7447315 |
System for determining successful reception of a message
A method for determining that all of a scrambled message has been successfully received, the scrambled message being scrambled in accordance with a scrambling key and being capable of being...
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7421082 |
Data delivery method and data delivery system using sets of passkeys generated by dividing an encryption key
A data delivery system providing multipoint delivery of encrypted digital data to specific destinations. A plurality of pieces of key information are generated on the basis of an encryption key...
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7409702 |
Auxiliary program association table
A method of identifying programs in a digital video communication system, consistent with certain embodiment of the present invention involve generating an auxiliary program association table (PAT)...
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7409562 |
Method and apparatus for encrypting media programs for later purchase and viewing
A system and method for storing and retrieving program material for subsequent replay is disclosed. The method includes accepting a receiver ID associated with a receiver key stored in a memory of...
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7401232 |
Content playback apparatus method and program and key management apparatus and system
A key management apparatus which can be used to encrypt/decrypt content data in a content playback device includes a storing unit for storing a secret key, a key information decrypting unit for...
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7398540 |
System and method for tuning channels using a central point of control
Systems and methods for tuning channels within a home entertain system by connecting multiple consumer electronics devices to a central electronics device with an internal tuner. The consumer...
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7394834 |
Common interface controller and method of descrambling transport stream channels
A common interface controller and a method of descrambling channels of first and second transport streams using a conditional access module for descrambling channels of a transport stream as...
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7386128 |
Conditional access system providing access to multiple programs or services
A conditional access subsystem is proved which is to reside with an end-user for receiving, decrypting and decoding all programs distributed by a content provider that the end user is entitled to...
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7383562 |
Restricted reception device for digital cable broadcasting system, and reception system and method using the same
A restricted reception device enabling a subscriber receiver to selectively receive broadcasting data transferred via a digital cable broadcasting network, includes: a demultiplexer for receiving...
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7383561 |
Conditional access system
A conditional access system in which entitlement control messages (ECMs) containing the encryption keys used to encrypt a program transmission, are sent to a set-top box over a secure...
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7383438 |
System and method for secure conditional access download and reconfiguration
A method of securely downloading at least one of conditional access software (CAS), Digital Rights Management software (DRMS), Trusted Domain Software (TDS), and Gaming Security Software (GSS)...
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7382884 |
Key management for content protection
A method for content access control operative to enable authorized devices to access protected content and to prevent unauthorized devices from accessing protected content, the method comprising:...
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7380265 |
System for monitoring direct broadcast wireless signals
A system and method for monitoring direct broadcast satellite signals. In a most general embodiment, the invention ( 10 ) includes a mechanism ( 20 ) for receiving direct broadcast wireless signals...
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7376829 |
Terminal, data distribution system comprising such a terminal and method of re-transmitting digital data
A terminal for receiving and re-transmitting information, comprises a first network adapter for receiving a primary data stream in which the information has been encoded, encrypted according to a...
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7370343 |
Electronic program guide with blackout features
An interactive television program guide for supporting programming blackouts is provided. In some embodiments, the interactive television program guide may unschedule the reminding and recording of...
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7366908 |
Digital watermarking with content dependent keys and autocorrelation properties for synchronization
A digital watermark detection method exploits autocorrelation properties of the watermarked signal that enable synchronization of the digital watermark despite temporal or geometric distortion of...
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7363276 |
Broadcast receiving method and apparatus and information distributing method and apparatus
A broadcast receiving method comprises storing first control information in a storage device, the first control information containing information unique to a receiver and required for the receiver...
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7356708 |
Decryption semiconductor circuit
A semiconductor integrated circuit having a plurality of selectable pathways inter-connected to data sources and data destinations; a cryptographic circuit connected to the selectable pathways to...
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