Patent application number | Description | Published |
20100325654 | COMMUNICATING A DEVICE DESCRIPTOR BETWEEN TWO DEVICES WHEN REGISTERING ONTO A NETWORK - A method for registering a first device with a second device over a wireless network includes receiving a registration request from the first device and sending one or more user input choices to the first device. The user input choices each specify a user input action available though a user interface associated with the second device. A device description describing the second device is sent to the first device in a manner that allows it to be presented to the user by the first device. At least one of the user input actions are sequentially received through the user interface in response to instructions provided to the user by the first device. The first device is registered with the second device if the user input actions received by the second device correctly reflect the instructions provided to the user by the first device. | 12-23-2010 |
20110176616 | FULL RESOLUTION 3D VIDEO WITH 2D BACKWARD COMPATIBLE SIGNAL - Items are used to encode or in encoding a stereoscopic video signal. The signal includes first view frames based on a first view associated with a first eye perspective and second view frames based on a second view associated with a second eye perspective. The encoding includes receiving the stereoscopic video signal and determining the first view frames and the second view frames. The encoding also includes encoding the first view frames based on the first view and encoding the second view frames based on the second view and also the first view. In the encoding, a plurality of the encoded second view frames reference at least one first view frame for predictive coding information. Items are also used to decode the encoded stereoscopic video signal. | 07-21-2011 |
20110213856 | Network attached DVR storage - A host device, which may include a DVR, selects to record content on the host device DVR or in a network attached storage (NAS) unit. The recorded content remains bound to the host device from a DRM perspective when it is recorded on the host DVR and on the remotely located NAS. A client device can obtain access to content recorded on the NAS by negotiating DRM rights with the host device instead of the NAS. When access rights are approved, the host device provides access information to the client device so that the content is streamed directly to the client device from the NAS. | 09-01-2011 |
20110235991 | MOVING CONTENT BETWEEN SET TOP BOX AND END DEVICES IN HOME - A content moving device which enables providing content stored on a first user device, such as a DVR, in a first format and resolution to be provided to a second user device, such as a portable media player (PMP) in a second format and resolution. The content moving device identifies content on the first user device as candidate content which may be desired by the PMP and receives the candidate content from the DVR. The content moving device transcodes the candidate content at times independent of a request from the PMP for the content. The content moving device may provide a list of available transcoded content to the PMP for selection, and provide selected content to the PMP. The content moving device may also provide information relating to any protection schemes of the content provided to the PMP, such as DRM rights and decryption keys. The content moving device performs the often computationally intense and time consuming transcoding of user content to enable the user to move content between different user devices in a convenient manner. | 09-29-2011 |
20110289592 | DIGITAL RIGHTS MANAGEMENT WITH IRREGULAR NETWORK ACCESS - There is a performing of digital rights management (DRM), operable in an offline mode with respect to a communications network. The performing includes identifying a stored rights object associated with a stored asset. The stored rights object includes reporting duration information associated with the stored asset. The performing also includes determining, utilizing a processor, whether a transmission of an early status message is a successful communication based on an early status message determination. If a failure in communicating the early status message is determined, utilizing the stored asset. The performing may also include transmitting an early status message and/or later status message after identifying the stored rights object. There is also a performing of digital rights management (DRM) associated with a DRM system and operable in an offline mode with respect to a communications network. There are also client devices, communicating systems, computer readable mediums and protocols. | 11-24-2011 |
20120011571 | Method And Apparatus For Cross DRM Domain Registration - A content moving device may provide content to plurality of different user devices using a plurality of different DRM systems. The content moving device provides for registration of the DRM systems associated with the user devices. The content moving device may verify a user device by a DRM ID associated with the user device. A domain size may be used to limit the number of content user devices that may be approved for access. | 01-12-2012 |
20120079054 | Automatic Memory Management for a Home Transcoding Device - A content moving device which enables providing content stored on a first user device, such as a DVR, in a first format and resolution to be provided to a second user device, such as a portable media player (PMP) in a second format and resolution. The content moving device identifies content on the first user device as candidate content which may be desired by the PMP and assigns a priority level to the content. The content moving device transcodes the candidate content in order of highest priority first and lowest priority last. The content moving device may also use the priority level to manage deletion of the transcoded content from the storage on the content moving device. The lowest priority level content may be deleted first as storage space is needed. | 03-29-2012 |
20120131333 | SERVICE KEY DELIVERY IN A CONDITIONAL ACCESS SYSTEM - A method is provided by which a client device obtains authorized access to content delivered over a content delivery network. The method includes receiving an entitlement management message (EMM). The EMM includes at least one cryptographic key and a device registration server certificate ID (DRSCID) identifying a currently valid device registration server (DRS) public key certificate. The DRSCID obtained from the EMM is compared to a stored DRSCID value. An entitlement control message (ECM), which includes an encrypted traffic key for decrypting content, is received. If the DRSCID obtained from the EMM is determined to match the stored DRSCID, the traffic key is decrypted with the cryptographic key or a key derived from the cryptographic key to thereby access the content. | 05-24-2012 |
20120140124 | REMOTE CONTROL APPARATUS, METHOD AND USER INTERFACE SYSTEM - Apparatus forming part of a home entertainment system includes an electronic device having an input accepting a signal corresponding to an externally-generated first user interface, a control module for internally-generating a signal corresponding to a second user interface, and an output for transmitting a combination of the above referenced signals for display. The control module controls an arrangement of display of the first user interface and the second user interface. The apparatus also includes a remote controller for communicating via a two-way communication link with the control module of the electronic device concerning a selection of one of the first user interface and the second user interface. The remote controller having an emitter for emitting control code signals, and the operation of the emitter is controlled by communications received by the remote controller from the control module of the electronic device. A method is also provided. | 06-07-2012 |
20120170741 | SECURE LIVE TELEVISION STREAMING - A client device implements a media player and a proxy application. The media player controls playback of media content on the client device. The proxy application is implemented to request a playlist from a media server, where the playlist corresponds to the media content. The proxy application receives the playlist from the media server, and the playlist includes encryption key reference parameters to obtain an encryption key. The proxy application modifies the playlist to include local encryption key access parameters for the media player, and the modified playlist is communicated to the media player. The proxy application can then receive a request for the encryption key from the media player that utilizes the local encryption key access parameters included in the modified playlist, and the proxy application securely communicates the encryption key to the media player. | 07-05-2012 |
20120174163 | Tuner Control for Streaming Live Television - In embodiments of tuner control for streaming live television, a client device can be implemented to utilize the HTTP protocol and REST APIs to communicate with the media streamer to query a list of television channels and initiate tuning to a channel of streaming video content to be decrypted, transcoded, encrypted, and streamed to the client device. | 07-05-2012 |
20120179745 | Altering Transcoding Priority - In an embodiment, a content array represents media content available from a media server. The content array, sent by a media server in response to a request, lists content program objects that represent media content to be available from the media server. The media server receives a message for altering a transcoding priority of the selected content program object that represents media content not previously transcoded by the media server, and sends a return code for indicating whether the transcoding priority was successfully altered in response to the message. In a further embodiment, a media server system includes a transcoding queue with references to a plurality of content program objects that include an object method for altering a transcoding priority, and includes a transcoder configured to transcode media content associated with the content program objects according to the transcoding priority of each content program object of the transcoding queue. | 07-12-2012 |
20120246462 | SYSTEM AND METHODS FOR PROVIDING LIVE STREAMING CONTENT USING DIGITAL RIGHTS MANAGEMENT-BASED KEY MANAGEMENT - In the present disclosure, a DRM (in this case IPRM) system may be used to deliver media content keys to a player device in a live streaming environment and take advantage of all DRM related functionalities that come with it, such as proximity control, copy protection enforcement and rights verification. A playlist may be used to deliver a key identifier for encrypted live streaming content. | 09-27-2012 |
20120303951 | METHOD AND SYSTEM FOR REGISTERING A DRM CLIENT - A client, method and system for registering a DRM client is disclosed. The method ( | 11-29-2012 |
20130091353 | APPARATUS AND METHOD FOR SECURE COMMUNICATION - A method and apparatus are for transferring a client device certificate and an associated encrypted client private key to a client device from a secure device. The secure device receives over a secure connection, a secure device certificate, a secure device private key and a plurality of client device certificates. Each client certificate is associated with a bootstrap public key but is not assigned to any particular client device. A plurality of encrypted client private keys is also received. Each of the encrypted client private keys comprises a client private key associated with one of the client device certificates encrypted with the bootstrap public key. The plurality of client device certificates is stored. The encrypted client private keys are stored in double encrypted protected form. A client device certificate and an associated encrypted client private key are transferred to a client device that has successfully registered with the secure device. | 04-11-2013 |
20130117352 | METHOD TO QUERY THE STATUS OF A LIVE TV STREAMING DEVICE AND LET USERS MAKE INFORMED DECISIONS FOR CHANNEL CHANGE - In embodiments of an object model for domain-based content mobility, a client object model architecture ( | 05-09-2013 |
20140019952 | SECURE METHOD OF ENFORCING CLIENT CODE VERSION UPGRADE IN DIGITAL RIGHTS MANAGEMENT SYSTEM - A method for enforcing a software upgrade for software operable on a device includes receiving, at the device, a message including software-version information for the software from a domain controller. The software-version information indicates a list of approved versions of the software. The method includes determining, by the device, the software-version information from the message, and determining a current version of the software included on the device by performing a comparison of versions in the list of approved versions to the current version of the software on the device. If the current version of the software is not included in the list of approved versions, the method includes causing the device to not have or use a set of up-to-date security credentials for a set of content servers, for accessing any pieces of media on the set of content servers until the device has an approved version of the software. | 01-16-2014 |
20140095890 | SYSTEMS AND METHODS FOR MANIPULATING SENSITIVE INFORMATION IN A SECURE MOBILE ENVIRONMENT - Methods and devices for protecting and manipulating sensitive information in a secure mobile environment are disclosed. Methods and devices for processing secure transactions and secure media processing up to rendering in human readable form using abstract partitioning between non-secure and secure environments are disclosed. | 04-03-2014 |
20140123172 | CHALLENGE-RESPONSE CABLE SET-TOP-BOX SYSTEM TO SECURELY AUTHENTICATE SOFTWARE APPLICATION PROGRAM INTERFACES (APIs) - A system for securely authenticating software Application Program Interfaces (APIs) includes a handshake protocol provided between a Conditional Access System (CAS) and Middleware running on a Set-Top-Box. The handshake is a Challenge-Response protocol that includes several steps. The CAS or the Middleware can either act as a Claimant or Verifier in Challenge-Response process. First, a Claimant sends a request to a Verifier requesting access to a function F through the API. The Verifier reacts to the request by outputting a Challenge that is sent to the Claimant The Challenge is also retained by the Verifier for use in its internal calculation to verify the Claimant's response. The Claimant next processes the Challenge using components under a patent License Agreement, known as Hook IP, and issues a Response to the Verifier. The Verifier can then verify the Response to allow the Claimant access to the API. | 05-01-2014 |
20140123220 | BUSINESS METHOD INCLUDING CHALLENGE-RESPONSE SYSTEM TO SECURELY AUTHENTICATE SOFTWARE APPLICATION PROGRAM INTERFACES (APIs) - A system for securely authenticating software Application Program Interfaces (APIs) includes a handshake protocol that is provided to validate whether the parties involved are licensed to use the system which includes rights to Intellectual Property (IP) and corresponding obligations. The handshake is a Challenge-Response protocol that includes several steps. First, a Claimant sends a request to a Verifier requesting access to a function through an API. The Verifier reacts to the request by outputting a Challenge that is sent to the Claimant. The Challenge is also retained by the Verifier for use in its internal calculation to verify the Claimant's response. The Claimant next processes the Challenge using components under the license, known as Hook IP, and issues a Response to the Verifier. The Verifier compares the possibly-correct Candidate Response from the Claimant to the known-correct Target Response and if a match occurs the Verifier allows the Claimant access to the API. | 05-01-2014 |
20140270161 | METHOD AND APPARATUS FOR SECURE STORAGE AND RETRIEVAL OF LIVE OFF DISK MEDIA PROGRAMS - A method and system are provided for securely storing and retrieving live off-disk media programs. Events delineate media segments, each of which are encrypted with a different key so as to be streamable to a remote device via digital living network alliance (DLNA) or HTTP live streaming protocols. Media segments and identifiers for managing the storage and retrieval of such media segments are compatible with live streaming data structures, obviating the need to re-encrypt data streams. | 09-18-2014 |
20140270717 | SYSTEM AND METHOD FOR CONTROLLING AND MANAGING DIGITAL MEDIA RECORDING - A method of scheduling a digital video recording via a remote device, comprising providing a digital video recorder comprising one or more tuners and a recording database stored on a storage device within the digital video recorder, the recording database being configured to store one or more recording schedules that describe programming events to be recorded by the digital video recorder, receiving a message over a data network connection from a remote device, the message describing instructions to add a new recording schedule about a particular programming event to the recording database, comprising a program identifier, a program name, a program icon URL, a channel identifier, a start time, an end time, a deletion priority, and a recording type, processing the message to add the new recording schedule to the recording database, and transmitting an error message to the remote device when the new recording schedule conflicts with another recording schedule already stored in the recording database. | 09-18-2014 |
20140280784 | File Transfer Based Upon Streaming Format - Systems and methods are provided for delivery and playback of bounded multimedia data files. A media gateway communicates with a client device, the communications being related to content lists, playlists, media assets, and security dialogs. A client device can perform playback while in communication with a media gateway. Several playlist can be employed. | 09-18-2014 |
20140281010 | STREAMING MEDIA FROM A SERVER DELIVERING INDIVIDUALIZED CONTENT STREAMS TO CLIENTS - A method for preparing media content to be streamed to a client divides a stream of the media content at the server into multiple media segments. Each of the multiple media segments is to be stored as an individual file in a memory in a transfer protocol compliant format. A top-level manifest file is generated, which has a plurality of Universal Resource Locators (URLs). The plurality of URLs indicates an ordering of the multiple media segments to recreate the stream of media content. Responsive to a client request received over a network to present the media content in a trick play mode of operation, a modified manifest file is obtained based on the top-level manifest file. The modified manifest file includes a subset of the plurality of URLs indicating an ordering of media segments that create a representation of the stream of media content presentable in the trick play mode of operation. | 09-18-2014 |
20140281481 | DLNA/DTCP STREAM CONVERSION FOR SECURE MEDIA PLAYBACK - A process for converting a DTCP-IP transport stream into HLS format, comprising receiving an encrypted DTCP-IP transport stream comprising DTCP frames at a secondary device from a source device, with each of the plurality of DTCP frames comprising encrypted 16-byte portions, forming chunks from the DTCP frames by grouping encrypted 16-byte portions into a chunk, adding HLS padding bytes to the end of each chunk and encrypting the HLS padding bytes to form an encrypted chunk, loading each of the encrypted chunks and a playlist to a media proxy server at the secondary device, loading a DTCP key onto a security proxy server, and providing the playlist, each of the encrypted chunks, and the DTCP key to a native media player on the secondary device, such that the native media player follows the playlist to decrypt the encrypted chunks using the DTCP key and plays back the chunks. | 09-18-2014 |
20140337411 | PROXY FOR FACILITATING STREAMING OF MEDIA FROM SERVER TO CLIENT - A method for preparing streaming media content to be rendered by a media player employs a proxy for the media player. The proxy sends a request over a network to a content server. In response, a rolling manifest file is received by the proxy. The manifest file includes a sequence of media segment URLs indicating an ordering of the media segments that create a representation of a portion of the content stream. The URLs follow a predefined naming convention that allows URLs occurring prior to and subsequent to the URLs included in the manifest file to be predicted. The proxy predicts additional URLs that occur prior to and/or subsequent to the URLs included in the manifest file. The manifest file is modified by inserting the additional media segment URLs into the manifest file. The additional URLs are sequentially located before or after the URLs included in the manifest file. | 11-13-2014 |
20140344893 | Remote Access to Streaming Video - A method of granting a client device remote access to a media server after receiving a remote access request at a remote access control server from a remote client device over a wide area network by receiving an opened port list at the remote access control server from the media server over the wide area network, the opened port list describing one or more wide area network ports opened at a residential gateway operating a local area network to which the media server is connected, and transmitting the opened port list and a network address of the residential gateway to the remote client device from the remote access control server, such that the remote client device can communicate with the media server on the local area network through the one or more wide area network ports opened at the residential gateway. | 11-20-2014 |
20140344894 | Restriction Lists for Remote Video Transfer - A method of granting a client device remote access to a media server after receiving a port request from a remote client device at a residential gateway through an intermediate remote access control server by opening one or more wide area network ports temporarily mapped to local area network ports, such that the remote client device can communicate with the media server through the wide area network ports, transmitting a list of the one or more wide area network ports to the remote client device through the remote access control server, receiving a media content request from the remote client device and passing the media content request to the media server through the one or more wide area network ports, and passing media content from the media server to the remote client device through the one or more wide area network ports according to one or more restriction lists. | 11-20-2014 |
20140376719 | DTCP Converter for HLS - A method for DTCP to HLS conversion is provided that starts with a standard DTCP Protected Content Packet (PCP) structure. The PCP payload data is chunked at defined chunk boundaries. Each chunk is then appended with a pad to be compatible with HLS. An HLS playlist is then provided using the PCP header with identification of the chunks and a keytag. The chunk is encrypted with a DTCP key calculated by the DTCP standard using: (a) copy control bits; (b) a nonce, and (c) an exchange key ID. Relevant PCP header fields are provided in the keytag for the HLS playlist, including the value of the copy control bits, the nonce and the exchange key ID, supporting the transaction that enables calculation of the DTCP content key to enable later decryption of the chunks. | 12-25-2014 |
20140380352 | Trick Play Seek Operation for HLS Converted from DTCP - A process to enable trick play operations is provided for HLS streaming video that has been converted by a system from DTCP. The system server provides a modified SEEK operation when an HLS GET message is received from an HLS client player. For the process, a DLNA header is provided from the HLS client player by including it in the HLS GET message. The HLS client also provides a DLNA RANGE REQUEST that requests a range of chunks making up a video desired and a seek point from where a seek operation is needed. The HLS server recognizes the DLNA header of the HLS GET message and DLNA RANGE REQUEST and obtains a range of chunks making up an extent of the recorded video using metadata fields. The server then generates a new HLS playlist with identification of the chunks and keytag corresponding to the seek operation. The server will provide chunks from the seek point and a rolling playlist to identify chunks and keytag from the seek point. | 12-25-2014 |
20140380376 | METHOD AND APPARATUS FOR STREAMING VIDEO - A method, apparatus, article of manufacture, and a memory structure for a CPT stream to a client device via an HTTP live streaming (HLS) protocol having a plurality of HLS media files is disclosed. In one embodiment, the method comprises generating an HLS playlist specifying a plurality HLS media files before generating any of the HLS media files, wherein each of the plurality of HLS media files has a unique name, transmitting the HLS playlist to the client device, after generating the HLS playlist, transcoding the CPT stream into at least a subset of the plurality of HLS media files, and providing at least one of the subset of plurality of HLS media files to the client device, wherein the at least one of the plurality of HLS media files is a client-requested media file selected from the HLS playlist. | 12-25-2014 |