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US20110243324 |
Secure Network Coding for Multi-Resolution Wireless Video Streaming
Described herein is a method and system for hierarchical wireless video with network coding which limits encryption operations to a critical set of network coding coefficients in combination with... |
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US20140185803 |
Secure Network Coding for Multi-Resolution Wireless Transmission
Described herein is a method and system for hierarchical wireless video with network coding which limits encryption operations to a critical set of network coding coefficients in combination with... |
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US20090097645 |
PLAYING CONTROL FILES FOR PERSONAL VIDEO RECORDERS
The certificate with specified conditions under which copyright did material can be played. Copyrighted material, such as videos are stored in a storage unit. They are stored along with a policy... |
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US20070116279 |
Secure terminal
A secure terminal comprises: primary means consisting of processing means, data and program storage means, security means and data input means, wherein the components of the primary means are... |
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US20120257750 |
ENCRYPTION TOPOLOGY FOR TRANSPORTING MULTIPLE AV STREAMS OVER A UNIFIED MEDIUM
A system architecture allows for the transmission of multiple HDCP encrypted audio/video streams over a single unified cable to multiple receivers using a daisy chain topology. Each individual... |
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US20080144820 |
Digital Broadcasting Transmitting System For Conditional Access and Method Thereof, and Digital Broadcasting Receiving Terminal and Method Thereof
Disclosed are a conditional access transmission system and method, and a receiving terminal and method. The transmission system transmits scrambled broadcasting signals including a network... |
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US20080205645 |
Digital broadcast reception apparatus
A digital broadcast reception apparatus includes a first reception unit for receiving a certain digital broadcast, a second reception unit for receiving another digital broadcast, a control signal... |
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US20070263866 |
MULTIPLE STREAM DECRYPTING AND DECODING SYSTEMS AND RELATED METHODS THEREOF
A system for decrypting multiple transport streams is disclosed. The system includes: a Multiple Transport stream Multiplexer (M-Mux), for receiving at least a first transport stream and a second... |
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US20080165962 |
Multistream distributor and multi-descrambler
A multistream distributor and a multi-descrambler are provided at low cost, which are capable of displaying a plurality of transport streams corresponding respectively to a plurality of channels... |
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US20070140488 |
Restriction of broadcast session key use by secure module decryption policy
A method is provided for restricting or enhancing broadcast content access on a per-subscriber basis across a population of subscribers, all of whom have a valid content access key to such... |
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US20080095364 |
Partial encryption
A multiple partial encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted... |
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US20050008155 |
Secure digital transmitter and method of operation
A secure transmitter capable of reliably communicating secure data within a heavily multi-path environment includes a data compression module, an encryption module, and a coded orthogonal... |
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US20070165854 |
Secure system, secure device, terminal apparatus, method and program therefor
IC card (300) supplies an encryption key which enables content use, to a terminal apparatus (200) belonging to a domain made up of terminal apparatuses (200) which share the IC card (300). The IC... |
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US20090028327 |
SECURE CONTENT KEY DISTRIBUTION USING MULTIPLE DISTINCT METHODS
Systems and methods of secure content key distribution using multiple distinct methods are disclosed herein. Example embodiments include receiving multiple distinct control words from multiple... |
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US20140140506 |
VIDEO SERVER AND CLIENT WITH CUSTOM KEY EXCHANGE AND METHODS FOR USE THEREWITH
A streaming video server stores playlist data corresponding to a plurality of video programs available from at least one video source. A command handler receives a program request for a selected... |
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US20100161825 |
ON-DEVICE MULTIPLEXING OF STREAMING MEDIA CONTENT
Techniques are disclosed for multiplexing a dynamic bit-rate video stream with an audio stream received by a client device in a manner that allows the resulting multiplexed stream to be played... |
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US20100034378 |
BROADCAST RECEIVING DEVICE FOR RECEIVING BROADCAST SIGNAL AND METHOD OF CONTROLLING THE SAME
Provided is a broadcast receiving device including a determining unit configured to make a determination on a channel selected by a selecting unit as to whether the corresponding encryption key is... |
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US20080031450 |
Signal processor and signal processing method
Disclosed is a signal processor including a serial-to-parallel converter inputting serial digital video signals for n channels and converting the serial digital video signals for respective... |
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US20070258590 |
Method and system for triple play service control
A method for controlling access to triple play services provided through a server over a network to a target system, the method comprising: receiving a signal from a user to select a service from... |
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US20070237330 |
Method and apparatus for delivering subscription service content to roaming users
A subscriber or other user is provided with access to a subscription service of a signal distribution system at a roaming location remote from a home location of the user. The home and remote... |
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US20100091989 |
SIGNAL TRANSMISSION APPARATUS AND SIGNAL TRANSMISSION METHOD
A signal transmission apparatus includes: a serial-to-parallel conversion unit serial-to-parallel converting HD-SDI format serial digital video signals of Link A containing CH1, CH3, CH5, and CH7,... |
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US20060239457 |
Selection of 1-out-of-n scrambled code blocks
Apparatus and method to determine selection of a scrambled data channel before receipt of an entire data block. An initial portion of a block of data received in one of a plurality of scrambled... |
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US20110211695 |
BROADCASTING VARIANTS OF DIGITAL SIGNALS IN A CONDITIONAL ACCESS SYSTEM
The invention provides a headend system, a receiver, a smartcard and a conditional access system enabling distribution of multiple variants of a part of a digital signal, such as multiple variants... |
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US20050135618 |
Methods and apparatus for mixing encrypted data with unencrypted data
Methods and apparatus for mixing encrypted data with unencrypted data are disclosed. A disclosed system receives data from a first media source, such as DVD-Audio content, and encrypts the data... |
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US20090257588 |
AV DATA TRANSMISSION APPARATUS AND AV DATA TRANSMISSION METHOD
An AV data transmission apparatus having two or more output channels, the apparatus comprising: an encryption unit which encrypts AV data using an encryption key; an AV data transmission unit... |
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US20110274274 |
METHOD AND STREAM PROCESSING APPARATUS CAPABLE OF DISTINGUISHING BETWEEN DATA STREAMS INCLUDED IN INTERLACED STREAM BY REFERRING TO AUXILIARY INFORMATION
A method for processing an interlaced stream includes: receiving the interlaced stream and auxiliary information that are transmitted, respectively, wherein the interlaced stream has a plurality... |
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US20090225983 |
SYSTEM AND METHOD FOR IMPROVED PROCESSING AND DECODING OF AN ENCRYPTED DIGITAL VIDEO SIGNAL
A method, system, and apparatus for processing a data stream having both unencrypted and encrypted portions for storing, in the unencrypted portion of the data stream, location data signifying the... |
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US20110075842 |
Method and System Making It Possible to Visually Encrypt the Mobile Objects Within A Compressed Video Stream
A method and system is provided of protecting at least one part of a video stream or of a compressed video sequence against a violation of the information contained in said stream, said stream... |