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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Candelore; Brant L.
Address:
Escondido, CA
No. of patents:
70
Patents:


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Patent Number Title Of Patent Date Issued
8572408 Digital rights management of a digital device October 29, 2013
According to one embodiment, an apparatus involves the descrambling of scrambled digital content using a one-time programmable key and digital rights management. The apparatus comprises a processor and a descrambler. The processor is adapted to execute a Digital Rights Management (DRM)
8265277 Content scrambling with minimal impact on legacy devices September 11, 2012
A method of encrypting a digital television signal involves examining unencrypted packets of data in the digital television signal to identify a selected packet type; duplicating packets identified as being of a selected packet type to produce pairs of duplicated packets; encrypting
8103000 Slice mask and moat pattern partial encryption January 24, 2012
A selective encryption encoder consistent with certain embodiments of the invention has vertical and/or horizontal stripes encrypted. In one embodiment, packets are examined in the digital video signal to identify a specified packet type, the specified packet type being both packets
8051443 Content replacement by PID mapping November 1, 2011
A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing content, the data having at least first and second packet identifiers (PIDs) associated with first and second portions of content. The conten
8036381 Partial multiple encryption October 11, 2011
A partial multiple encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the partially multiple
8027470 Video slice and active region based multiple partial encryption September 27, 2011
A selective encryption decoder for decrypting and decoding a selectively encrypted digital video signal has a demultiplexer that receives packets of digital video, certain of the packets being unencrypted and certain of the packets being encrypted. Certain of the encrypted packets carry
8027469 Video slice and active region based multiple partial encryption September 27, 2011
A television set-top box has a receiver receiving a digital television signal comprising, a plurality of unencrypted packets; and a plurality of encrypted packets. The encrypted packets are of at least one selected packet type and the at least one selected packet type has at least one of
7992167 Content replacement by PID mapping August 2, 2011
A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing content, the data having at least first and second packet identifiers (PIDs) associated with first and second portions of content. The conten
7925016 Method and apparatus for descrambling content April 12, 2011
In accordance with one embodiment, a method for securing control words is provided. The method includes receiving scrambled digital content in a descrambler integrated circuit. The method further includes receiving an encrypted control word in the descrambler integrated circuit, decrypti
7882517 Content replacement by PID mapping February 1, 2011
A method of content substitution involves receiving an ordered stream of packets containing content marked by a first packet identifier (PID) and one or more substitute content portions marked by one or more secondary PIDs, where the number and placement of packets marked by secondary PI
7848520 Partial encryption storage medium December 7, 2010
An electronic storage device has a segment of digital video content recorded thereon as a data structure with a first set of data packets encrypted under a first encryption process and a second set of data packets encrypted under a second encryption process. The first set of video da
7839998 Transcoding CableCARD November 23, 2010
A CableCARD device for manipulation of a stream of data has an inband data input for receiving a stream of video data from a host, the stream of video data being encrypted and encoded according to a first coding. A decrypter decrypts the encrypted data. A transcoder transcodes the stream
7823174 Macro-block based content replacement by PID mapping October 26, 2010
A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing one or more macroblocks of content, the data having at least first and second packet identifiers (PIDs) associated with first and second
7792294 Selective encryption encoding September 7, 2010
In certain embodiments, a selective encryption encoder has a packet identifier that identifies packets of a specified packet type. The specified packet type includes packets carrying data representing a video slice wherein the video slice contains a larger amount of data than a thres
7765567 Content replacement by PID mapping July 27, 2010
A method and apparatus for content substitution, consistent with certain embodiments of the present invention involves receiving data representing content, the data having at least first and second packet identifiers (PIDs) associated with first and second portions of content. The conten
7760879 Multiple partial encryption July 20, 2010
A method of encrypting a digital television signal carried out in any operative order involves duplicating packets in the digital television signal so as to create first and second duplicate packets; encrypting the first duplicate packets according to a first encryption method to create
7751564 Star pattern partial encryption method July 6, 2010
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 pattern approximately si
7751563 Slice mask and moat pattern partial encryption July 6, 2010
A selective encryption encoder consistent with certain embodiments of the invention has vertical and/or horizontal stripes encrypted. In one embodiment, packets are examined in the digital video signal to identify a specified packet type, the specified packet type being both packets
7751561 Partial encryption July 6, 2010
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 video signal from the unencrypted video signal. An output provides the partially multiple
7751560 Time division partial encryption July 6, 2010
A method of processing digital content consistent with certain embodiments involves receiving a signal containing the digital content, wherein the digital content has a first encrypted sample of the digital content, the sample being encrypted under a first encryption method, a second
7747853 IP delivery of secure digital content June 29, 2010
According to one embodiment, a digital stream, inclusive of an Internet Protocol (IP) datagram, is transmitted to a digital device. IP datagram comprises an IP header and a body segmented including a plurality of packets in an MPEG format such as MPEG-2 or MPEG-4 for example. The plu
7730300 Method and apparatus for protecting the transfer of data June 1, 2010
According to one embodiment, a method for scrambling and descrambling program data comprises the receipt of a mating key generator message including a manufacturer identifier. The mating key generator message is transmitted to a first remote source identified by the manufacturer iden
7724907 Mechanism for protecting the transfer of digital content May 25, 2010
According to one embodiment, a method for delivering a mating key to a smart card coupled to a decoding device with a built-in descrambler. The mating key is used by the smart card to encrypt the derived descrambling key for the specific decoder with descrambler. The corresponding mating
7721306 Bandwidth sharing May 18, 2010
A method for bandwidth sharing between first and second satellite television networks involves receiving a shared video data stream shared between the satellite television networks; receiving advertisement metadata forming a part of the shared video data stream, the advertisement met
7711115 Descrambler May 4, 2010
A descrambler adapted as an integrated circuit (IC) according to one embodiment. The descrambler comprises a control word ladder logic to produce, among other data, a control word to descramble incoming scrambled content. The descrambler further comprises copy protection key ladder l
7702589 Method for simulcrypting scrambled data to a plurality of conditional access devices April 20, 2010
In accordance with one embodiment, a method for storing a normal scrambled digital program is provided. The method includes receiving a scrambled program, and receiving a plurality of access requirements. Each access requirement can descramble the scrambled program. The method also i
7688978 Scene change detection March 30, 2010
In certain embodiments, a method of detecting a scene change in a digital video signal involves examining a slice of the digital video signal; determining if the slice contains a greater amount of data than a threshold amount of data; and if the slice contains a greater amount of dat
7649949 Multipurpose television module January 19, 2010
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.TM. code is received from the content service being received by the host
7639804 Receiver device for star pattern partial encryption December 29, 2009
A television signal receiver device consistent with certain embodiments has a receiver that receives a digital television signal including a plurality of unencrypted packets, and a plurality of encrypted packets, wherein the encrypted packets are of at least one selected packet type.
7602912 Content selection for partial encryption October 13, 2009
A method of selecting data for multiple carriage partial encryption consistent with certain embodiments involves examining unencrypted packets of data in a digital audio/video data stream to identify a packet type; and selecting packets of the identified packet type for multiple part
7567939 Method and apparatus for implementing revocation in broadcast networks July 28, 2009
A method of revoking a descrambling privilege for copy controlled content to a host device is provided. The method includes receiving copy controlled content at a conditional access module. A revocation list is also received at the module. The method includes determining whether the
7565546 System, method and apparatus for secure digital content transmission July 21, 2009
A mating key gateway is adapted to retrieve a mating key, which is used to encrypt a program key that is used to scramble digital content prior to transmission to a digital device. According to one embodiment of the invention, the mating key gateway comprises a processor, a communication
7555464 Multiple DRM management June 30, 2009
In one embodiment, a method for enabling a single assembly of content to be played on a plurality of player devices, each having at least one available digital rights management (DRM) algorithm involves registering a plurality of player devices associated with a client with a database
7508942 Multi-process descrambler March 24, 2009
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 descrambler. The first pr
7398544 Configurable cableCARD July 8, 2008
According to one embodiment of the invention, a configurable CableCARD adaptable for use by multiple conditional access (CA) providers. CableCARD comprises core logic configured to descramble incoming scrambled content, a first CA logic block and a second CA logic block. Connected to
7376233 Video slice and active region based multiple partial encryption May 20, 2008
A selective encryption encoder and method of dual selective encryption. The selective encryption encoder has a packet identifier that identifies packets of at least one specified packet type, the at least one specified packet type being any of a plurality of packet types including packet
7350082 Upgrading of encryption March 25, 2008
A method of upgrading an encryption process for encryption of video information from an old encryption process to a new encryption process, consistent with certain embodiments involves selecting a portion of video content for selective encryption. The selected portion is duplicated to
7336787 Critical packet partial encryption February 26, 2008
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 conditional access
7319753 Partial encryption and PID mapping January 15, 2008
A method of selecting data for multiple carriage partial encryption consistent with certain embodiments involves examining unencrypted packets of data in a digital audio/video data stream to identify a packet type; and selecting packets of the identified packet type for multiple part
7310422 Partial encryption and PID mapping December 18, 2007
A method consistent with certain embodiments carried out at a television provider headend involves receiving a feed of scrambled television content in the form of a stream of packets; descrambling the scrambled television content to produce a stream of clear packets; selecting a pack
7302059 Star pattern partial encryption November 27, 2007
A selective encryption encoder consistent with certain embodiments of the invention has a packet identifier that identifies packets of a specified packet type, the specified packet type being defined by packets occurring in a star pattern approximately situated at an upper center of an i
7302058 Method and apparatus for securing control words November 27, 2007
In accordance with one embodiment, a method for securing control words is provided. The method includes receiving scrambled digital content in a descrambler integrated circuit. The method further includes receiving an encrypted control word in the descrambler integrated circuit, decrypti
7292692 Content scrambling with minimal impact on legacy devices November 6, 2007
An encryption arrangement for television programs or other digital programming consistent with certain embodiments sends content completely in-the-clear and also encrypts only a portion of the content required for full presentation of a television program. The arrangement allows inte
7292691 Progressive video refresh slice detection November 6, 2007
A selective encryption encoder and method of dual selective encryption and detection of intra-coded slices in video content. The selective encryption encoder has a packet identifier that identifies packets of at least one specified packet type, the at least one specified packet type
7292690 Video scene change detection November 6, 2007
A selective encryption encoder consistent with certain embodiments of the invention has vertical and/or horizontal stripes encrypted. In one embodiment, packets are examined in the digital video signal to identify a specified packet type, the specified packet type being packets carrying
7287168 Partial encryption and PID mapping October 23, 2007
A method of encoding a packetized digital television signal consistent with certain embodiments involves encrypting a portion of the packets containing the digital television signal according to a first encryption algorithm; encrypting the portion of the packets containing the digital
7242773 Multiple partial encryption using retuning July 10, 2007
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 channel. A first encr
7233669 Selective encryption to enable multiple decryption keys June 19, 2007
A selective encryption method and apparatus consistent with the invention duplicates selected packets in a file or data stream and multiple encrypts the packets using multiple encryption keys. Each encryption key is valid for a specific segment of time so that changes in entitlement
7225164 Method and apparatus for implementing revocation in broadcast networks May 29, 2007
A method of revoking a descrambling privilege for copy controlled content to a host device is provided. The method includes receiving copy controlled content at a conditional access module. A revocation list is also received at the module. The method includes determining whether the
7218738 Encryption and content control in a digital broadcast system May 15, 2007
A selective encryption encoder has a packet identifier that identifies packets of a specified packet type forming a part of a program. A packet duplicator duplicates the identified packets to produce first and second sets of the identified packets. A PMT (program map table) inserter
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