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| Number | Title | Issue Date |
| 8184810 | Secure device and relay terminal An IC card includes a tamper resistant module which has one or more applications and a card control unit for controlling an operation of the IC card, a secure memory area which is accessible from only the tamper resistant module, and a contactless interface which se... | 05/22/2012 |
| 8165293 | Method and system providing scrambled content A method of providing a stream of data units with scrambling state identifying data and providing a stream of key messages, synchronized with the stream of data units. The scrambling state identifying data includes an identifier value associated with the first decry... | 04/24/2012 |
| 8150035 | Method 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 b... | 04/03/2012 |
| 8126143 | Apparatus and method for improving in-game communications during a game The present invention is directed to an apparatus for improving communications between players and coaches during a sporting event, more specifically allowing players to dynamically receive real-time communications from their coaches concerning intended game plays t... | 02/28/2012 |
| 8107626 | Method and system for enabling transfer of content between a storage device and a portable media player device A method and system for storing a file on a portable device includes a central location 100 generating a seed in response to a unique portable device identifier, a storage device 32 having an interface wherein the storage device 32 stores the se... | 01/31/2012 |
| 8103001 | Method for verifying rights contained in a security module A method of verification of rights is disclosed, contained in a security module associated to an apparatus processing broadcasted digital data. The apparatus is connected to a management center transmitting encrypted rights messages for accessing the digital data. T... | 01/24/2012 |
| 8090104 | Method of descrambling a scrambled content data object In a method of descrambling a scrambled content data object, at least a section of the scrambled content data object is descrambled by applying at least one decryption operation under a key at least partly derivable from a content descrambling key. At least one cont... | 01/03/2012 |
| 8045709 | Digital broadcasting conditional access terminal and method A mobile communication terminal for efficient digital broadcasting conditional access and a method of the mobile communication terminal. The mobile communication terminal includes a digital broadcasting receiver for receiving a scrambled digital broadcasting transpo... | 10/25/2011 |
| 8031870 | Conditional access system for each transmitter in single frequency network, and a method thereof The conditional access system in a single frequency network in a digital broadcasting system includes a main broadcasting system transmitting encoded broadcasting signals including a data stream and transmitter identification information (TII) through a main broadca... | 10/04/2011 |
| 8027471 | Multimedia storage systems and methods An article of manufacture includes a machine-readable medium that stores a multimedia content file in a first format and multiple program sets. Each program set is a version of software that, when executed by a respective electronic system, produces the multimedia c... | 09/27/2011 |
| 7978853 | System and computer program product for protecting audio content Techniques for protecting information in an audio file are provided. The techniques include obtaining an audio file, detecting information beating one or more segments in a speech signal, wherein the information comprises information sought for protection, encryptin... | 07/12/2011 |
| 7974411 | Method for protecting audio content Techniques for protecting information in an audio file are provided. The techniques include obtaining an audio file, detecting information bearing one or more segments in a speech signal, wherein the information comprises information sought for protection, encryptin... | 07/05/2011 |
| 7929698 | Selective encryption to enable trick play with enhanced security Certain embodiments consistent with the present invention involve a method of selectively encrypting digital video content that involves receiving a plurality of packets containing the digital video content; identifying packets containing start of frame (SOF) header... | 04/19/2011 |
| 7929697 | Secure data transmission via multichannel entitlement management and control A method for communicating data, such as audio/video (AV) data, over plural channels involves selecting data and encryption information, and encrypting the data with the encryption information to thereby produce encrypted data. The encryption information is broken i... | 04/19/2011 |
| 7916865 | Dynamically shifting control word A method for generating a plurality of control words, each control word controlling access to an object. The method includes providing a control word packet (CWP), generating a first control word (CW) from the CWP, providing a second CW generation input and producin... | 03/29/2011 |
| 7912219 | Just in time delivery of entitlement control message (ECMs) and other essential data elements for television programming Essential data elements, particularly entitlement control messages (ECMs), are inserted in a manner that reduces the overhead bit rate without effecting overall tuning time at the customer receiver or security in satellite, cable or other programming networks. ECMs ... | 03/22/2011 |
| 7835521 | Secure keyboard A secure keyboard combines a human interface device (HID), application programs stored in nonvolatile memory, and encryption technologies into a single package. Like any other keyboard, the secure keyboard communicates with a computer via a communications port. A co... | 11/16/2010 |
| 7831046 | Method of managing the display of event specifications with conditional access The object of the invention is a method of managing the display of event specifications with conditional access, particularly to display an electronic program guide for Pay-TV. This aim is reached by a method including the following steps: | 11/09/2010 |
| 7796757 | 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 b... | 09/14/2010 |
| 7773752 | Circuits, apparatus, methods and computer program products for providing conditional access and copy protection schemes for digital broadcast data A digital broadcast video receiving circuit includes a plurality of decoder circuits configured to decode an encoded digital broadcast video signal according to respective plurality of encoding formats to provide a digital data packet based on the encoded digital br... | 08/10/2010 |
| 7773751 | Apparatus and method for controlling the copy and play of a digital audio contents The object of the present invention is providing the apparatus and method for controlling playing and copying the digital audio contents by way of embedding the control code into and extracting the control code from the digital audio contents. To achieve the object ... | 08/10/2010 |
| 7769171 | Method for transmitting digital data in a local network An aim to reach may be on one hand, to allow the reading of a content stored by a digital video recorder from a decoder of the local network regardless of the time elapsed between storage and reading, and on the other hand to prevent the transfer or improper copying... | 08/03/2010 |
| 7751564 | Star pattern partial encryption method In certain embodiments, a method of partially dual encrypting a digital video signal involves examining unencrypted packets of data in the digital video signal to identify a specified packet type. The specified packet type includes packets occurring in a star patter... | 07/06/2010 |
| 7697686 | Unit for managing audio/video data and access control method for said data Example embodiments are directed to a digital audio/video (AV) data processing unit and a method of controlling access to the digital AV data. The processing unit of AV digital data includes a deciphering unit of the AV data, a decompression unit, an input/output in... | 04/13/2010 |
| 7693281 | Method for distributing scrambled digital data decryption keys An apparatus and associated methodology are provided for distributing individual keys for deciphering scrambled digital data transmitted by a broadcasting system to a plurality of terminals connected to a data exchange network. The broadcasting system includes at le... | 04/06/2010 |
| 7657032 | Data outputting method, recording method and apparatus, reproducing method and apparatus, and data transmitting method and receiving method A data outputting method, including the steps of converting input data into sector unit data that starts with a start code and a header preceded by the start code, the header being composed of two bits, at least one of which represents an encryption control; when th... | 02/02/2010 |
| 7653198 | Recording medium for data including concealment data and recording/reproducing method for such data This invention is directed to a recording medium on which contents data of movie, etc. is recorded. At the position where reproduction is carried out prior to first data consisting of contents data in reproducing the first data, there is recorded second data like ad... | 01/26/2010 |
| 7627119 | Encryption of control programs In order to protect control programs against unauthorized analysis and use during transport via public networks, asymmetrical keys are used. Following the compilation of the control program in the engineering system belonging to the supplier, the program is encrypte... | 12/01/2009 |
| 7623663 | Rolling code security system A rolling code transmitter is useful in a security system for providing secure encrypted RF transmission comprising an interleaved trinary bit fixed code and rolling code. A receiver demodulates the encrypted RF transmission and recovers the fixed code and rolling c... | 11/24/2009 |
| 7616763 | Validity verification method for a local digital network key The aim of this invention is to propose a control method for the conformity of a network key (NK). This method is applied during the transfer of data coming from a conditional access source to a domestic network. It handles on the verification of the network key (NK... | 11/10/2009 |
| 7609836 | Seamless switching between multiple pre-encrypted video files In a video on demand (VOD) system, methods and apparatus are provided for seamlessly switching back and forth between two pre-encrypted files having changing encryption keys Such switching back and forth may be required when a VOD server stores both a “normal” c... | 10/27/2009 |
| 7590242 | Selective multimedia data encryption A conditional access system for multimedia data is disclosed that offers acceptable security at drastically reduced requirements on hardware performance. A selectively encrypted transport stream is formed from a clear transport stream by detecting particular data pa... | 09/15/2009 |
| 7590243 | Digital media conditional access system for handling digital media content A method, apparatus, and article of manufacture provide the ability to process digital media content. A secret key (Ka) is obtained and encrypted into an authorization key message (AKM) message. One or more entitlement keys (Ke) are then obtained and encrypted using... | 09/15/2009 |
| 7567671 | Encryption method and apparatus for use in digital distribution system A method to securely distribute media content such as Audio or Video with associated media information as part of a media package, in a media distribution system. The media content is encrypted and can be decrypted using a code, process or algorithm called a program... | 07/28/2009 |
| 7545940 | System for publishing content on a portable digital storage medium In a method of publishing creative content to at least one local digital display device, a first unit of the creative content is stored on a first portable digital storage medium in an encrypted format. The digital replication is encrypted with a selected one of a p... | 06/09/2009 |
| 7539307 | System, method, and service for delivering enhanced multimedia content on physical media Enhanced multimedia content on physical media interacts with the user through a media player and the Internet. Enhanced multimedia utilizes IDs for pieces of content on the media and a media key block. On the enhanced media is a file with a list of URLs. As the enha... | 05/26/2009 |
| 7526089 | Device and method for controlling digital bidirectional communication An interface block (11) converts the format of input downstream data (STRM). A CPU (12) receives the format-converted data (DIF) and realizes the MAC function. A TEK process block (13) receives TEK process data (DTEK) obtained from the data (DIF... | 04/28/2009 |
| 7515712 | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system A method for determining whether the terminal is authorized to receive the selected service is practiced in a terminal of a conditional access system in which a user selects a service, the selected service being associated with a frequency, the terminal having a tun... | 04/07/2009 |
| 7508943 | Multimedia storage systems and methods An article of manufacture includes a machine-readable medium that stores a multimedia content file in a first format and multiple program sets. Each program set is a version of software that, when executed by a respective electronic system, produces the multimedia c... | 03/24/2009 |
| 7508942 | Multi-process descrambler A descrambler integrated circuit (IC) is adapted to receive scrambled digital content and to descramble the scrambled digital content. According to one embodiment of the invention, the descrambler comprises a first process block, a second process block and a descram... | 03/24/2009 |
