Abstract: A system and method for controlling the transmission of contents among a plurality of audio/video (AV) devices by using a general purpose network In case of transmitting the contents held in a first device (source) to a second device (sink) by way of a designated transmission path, information relating to the transfer protocol for transmitting the contents is added to each content when the contents information held in the first device is disclosed to a controller on the network. Transmission management is performed based on the information on the transfer protocol added to each content when starting transmission of the contents between the first device and the second device.

Abstract: A communication system where an input port on a transmitter or receiver is configured to receive input data that is either audio data or video data. A processor in the transmitter or the receiver is configured to detect if the input data is either audio data or video data. The processor selects an audio path if the input data is audio data. If the input data is video data, the processor selects a video path. The selected audio path or video path sends audio output data or video output data to an output port. The output port is configured to send the audio output data or video output data.

Abstract: A method for operating conflicting source devices communicating over the same self-configurable asymmetric link, comprising: transmitting uncompressed video from a first source device to a first sink device over a first direction of a self-configurable asymmetric link; receiving a request to transmit uncompressed video from a second source device to a second sink device over the opposite direction of the self-configurable asymmetric link; locating an accessible rendering device able to receive compressed video from the second source device and to transmit uncompressed video to the second sink device without flipping the direction of the self-configurable asymmetric link; and transmitting compressed video from the second source device to the rendering device, whereby the rendering device renders and transmits the video to the second sink device.

Abstract: A display device switches a broadcast channel which is being received by a tuner unit based on a broadcast channel switching instruction input from a user operating unit and transmits broadcast channel switching information to a recording and reproduction device. The recording and reproduction device sets a channel of a tuner unit to the same channel as the display device based on the broadcast channel switching information. A content is recorded and reproduced by a recording and reproduction unit based on a time shift viewing/listening instruction, a switch unit of the display device is switched from the tuner unit to the recording and reproduction device, and the reproduction output from the recording and reproduction device is displayed on a display unit.

Abstract: In one of many possible embodiments, a system includes a content provider subsystem providing media content over a closed media network and an open network. At least a subset of the media content provided over the closed media network is provided over the open network. The system further includes a user access subsystem communicatively connected to the closed media network and the open network. The user access subsystem is configured to access the media content over the closed media network and the open network and to process and provide at least a component of the accessed media content for presentation to a user. The user access subsystem includes a content processing device configured to decode the media content accessed over the closed media network and an expansion content processing device configured to decode the media content accessed over the open network.

Abstract: A switching module, system and method facilitate communications between one or more non-CEC enabled devices and a television of an audio/visual (A/V) system. The switching module is able to accommodate both Consumer Electronic Control (CEC) enabled and non-CEC enabled devices for communication with the television. In response to user control of a user interface of the switching module, when a non-CEC enabled device is coupled to the switching module, a high definition multimedia interface (HDMI) input port of the HDMI switching module is selected and a default HDMI device type and corresponding HDMI logic address is set for the non-CEC enabled device. This information is displayed for the user by the television.

Abstract: A control system includes a control apparatus and a controlled apparatus, wherein the control apparatus is remotely controlled by a remote controller. The controlled apparatus transmits a control panel to the control apparatus. The control panel includes icons used to control the controlled apparatus. The controlled apparatus includes (a) a communication unit which receives, from the control apparatus, remote control information including information about operation keys included in the remote controller, the remote control information being received before the controlled apparatus transmits the control panel to the control apparatus, and (b) a modifying unit which modifies a position of the icons included in the control panel according to the remote control information. The communication unit transmits the control panel to the control apparatus after the modifying unit modifies the position of the icons included in the control panel according to the remote control information.

Abstract: A cable television (CATV) entry adapter interfaces to a CATV network and serves as a hub in a Multimedia over Coax Alliance (MoCA) network. MoCA signals are bypassed around the CATV communication paths within the entry adapter to maintain adequate signal strength and to allow a passive port of the entry adapter to be used as part of the MoCA network. MoCA signals are suppressed from exiting the CATV entry adapter onto the CATV network.

Abstract: A wireless audio and video signal transmitting and receiving system includes a transmitting assembly including having a first logic circuit, an input for receiving a plurality of channel signals electrically coupled to the first logic circuit and at least one signal transmitter electrically coupled to the first logic circuit. The signal transmitter transmits all of the channel signals on a discrete channel frequency. Each of a plurality of receiving assemblies includes a second logic circuit and signal receiver electrically coupled to the second logic circuit. The signal receiver receives the channel signals from the at least one signal transmitter. An output electrically coupled to the second logic circuit is electrically couplable to a monitoring device to monitor the channel signals received by the signal receiver.

Abstract: A method of transmitting video content between a computing device and display device. The method includes establishing a data connection between a receiver unit and the display device, where the receiver unit includes a first wireless transceiver and an output port, establishing a data connection between a transmitter unit and the computing device, where the transmitter unit includes a second wireless transceiver and a memory and is configured to perform two-way wireless communications with only the receiver unit and is configured to not perform two-way wireless communications with any other devices, and transmitting the video content from the transmitter unit to the receiver unit.

Abstract: A method of receiving over-the-air television content is disclosed and includes receiving input indicating a requested channel at a set-top box device. The set-top box device is coupled to a television via a first connection adapted to send television content to the television and via a second connection adapted to send data to, and receive data from, the television. The method also includes sending a control command from the set-top box device to the television via the second connection. The control command indicates that the television is to tune an over-the-air tuner at the television to the requested channel.

Abstract: A method and apparatus for utilizing DVD content through a home network are provided. The method includes transmitting item information indicating DVD content in response to a request for a content list, and receiving a request for the DVD content in units of a sector from a client having acquired the item information, and extracting and transmitting data of the requested sector to the client. Various functions provided by the DVD video can be utilized similar to reproducing DVD content through a local DVD player while reproducing DVD content stored in a remote server through devices of a home network. Therefore, it is possible to reduce concerns of the DVD copyrighter about illegal copying of the content since encoded data is transmitted as it is, without being decoded.

Abstract: Systems and methods are disclosed for providing an interactive television system for recording television programming. The interactive television system may include components for providing personal video recorder (PVR) functionality, such as an interactive television program guide (IPG), PVR extensions, PVR application programming interfaces (APIs), a PVR device, any suitable hardware or software, or a combination thereof. These components may be implemented in, for example, an arrangement having an integrated PVR-compliant device with a PVR device, or in an arrangement having a PVR-compliant device (e.g., a set-top box) coupled to PVR equipment (e.g., a remote PVR server or a PVR sidecar) with a PVR device. The PVR-compliant device may include software and hardware configured to implement the IPG. The PVR APIs may be a library of intelligent vendor-specific and vendor-independent APIs able to determine the type of PVR device being used.

Abstract: A system and method for resource sharing are provided. The method includes storing an electronic programming guide (EPG) application and an EPG, determining when local memory of a local video device lacks capacity to download additional time of the EPG, and communicating with another device to transmit a resource request to the other device to download the additional time of the EPG to storage in the other device. The method also includes processing for display monitoring data that indicates remaining storage space in the storage of the other device, querying the other device to determine what programming is being viewed, and processing controls included in the EPG application that enable access to the storage of the other device to interact with the EPG stored on the other device through the local video device to schedule a programming event at the local video device.

Abstract: A method for effectively implementing a multi-room television system includes a digital base station that processes and combines various program sources to produce a processed stream. A communications processor then responsively transmits the processed stream as a local composite output stream to various wired and wireless display devices for flexible viewing at variable remote locations. The transmission path performance is used to determine the video encoding process, and special attention is taken to assure that all users have low-latency interactive capabilities.

Abstract: A wireless node device determines an origination port number, communicates with the wireless node device to exchange a destination port number determined by the wireless node device and the origination port number determined by the wireless node device, and associates the origination port number with the destination port number. Further, the wireless node device input formats supported by the wireless node device, reserves wireless resources for wirelessly transmitting the content data, determines one of the obtained input formats as an output format and notifies the wireless node device of the determined output format, and wirelessly transmits the content data to the wireless node device through a pair of ports indicated by the origination port number and the destination port number associated with each other.

Abstract: Disclosed herein are a broadcast signal retransmission system and method using illuminating visible-light communication. The broadcast signal retransmission system comprises one or more light-emitting diode (LED) lighting fixtures, one or more smart communicators, and a home server. The home server receives and demodulates a multi-channel broadcast signal and, in reply to a signal request message from a smart communicator, transmits a demodulated broadcast channel signal through a power line to an LED lighting fixture indicated by the signal request message. The LED lighting fixture converts the broadcast channel signal into a light signal. The smart communicator receives the light signal from the LED lighting fixture and decodes the light signal into a broadcast signal. As a result, the user can selectively receive a broadcast signal of a desired channel using a smart communicator via a nearby LED lighting fixture.

Abstract: A multimedia content redirection method is provided. The multimedia content redirection method reproduces media content at a sink node employing enhanced media reproduction performance by redirecting a current media content being reproduced to the sink node when the sink node, such as audio device or media player, capable of reproducing multimedia contents is discovered in a network while a source node such as mobile terminal is reproducing the media content in an ad-hoc network.

Abstract: The preferred embodiment of the present invention provides a system and method for programming and/or charging one or more audio/video devices such that the audio/video devices will be programmed and charged to receive transmitted audio and video signals associated with an event, allowing a user to use the audio/video device to observe the sights and sounds of the event. A preferred embodiment of the present invention includes a cart with a docking port for each of a plurality of personal audio/video devices, a charger configured to charge the power source of each personal audio/video display device, and programming logic configured to program each of the personal audio/video devices.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a set-top box operating from an interactive television (iTV) communication system having a controller to receive from the iTV communication system media content with metadata, record the media content, detect in the metadata a description of the media content correlating with one or more preferences in a preference profile, present at a media presentation device a first prompt requesting an acceptance or rejection of the media content, present at the media presentation device a second prompt requesting a selection of one or more communication devices to direct in whole or in part the media content thereto, detect the selection of at least one of the one or more communication devices, and transmit in whole or in part the media content to the at least one communication device. Other embodiments are disclosed.

Abstract: In a network including at least two transmission paths whose bands are respectively managed, an RTT test of DTCP-IP may fail due to a relay wait time generated by the band management regardless of retrials. An objective of the present invention is to assure success of the RTT test. A master unit device manages bands of the transmission paths and includes an RTT test detection section detecting a failure of the RTT test, and a band management section modifying a band management (TXOP allocation) schedule based on an RTT test failure detection. With this configuration, a time band during which no TXOP is allocated is provided between the transmission paths whose bands are respectively managed, thereby assuring success of the RTT test.

Abstract: Synchronizing a session of an inactive first device with a second device, including: generating a temporary session for the second device when the first device configured as an IPTV client becomes inactive; associating the temporary session with the inactive IPTV client to allow the second device to continue transactions while the IPTV client is inactive; searching for the temporary session associated with the IPTV client when the IPTV client becomes active again; and assigning the temporary session to the IPTV client. Keywords include session synchronization and transfer credentials.

Abstract: A method and system are provided for supporting multiple-screen interactivity between at least a first screen on a first device and a second screen on a second device. The system includes an interactivity server for providing complementary content for display on the second screen relative to primary content displayed on the first screen. The system further includes a communication device for communicating the complementary content to the second device to display on the second screen thereof.

Abstract: A method for providing video telephony is presented. By the method, a telephone directory of a broadcast receiving apparatus can be updated by receiving a telephone directory of a connected external device is provided. A call request signal can be transmitted to an information communication terminal of the user of an external broadcast receiving apparatus when the external broadcast receiving apparatus is turned off. A video telephony mode can change according to whether or not audio signals are transmitted and received when video telephony is connected. The volume of a plurality of windows can each be adjusted separately. As a result, users can utilize video telephony more conveniently.

Abstract: A method for transmitting audio signals. The method of transmitting audio signals may include separately transmitting a video signal and an audio signal. Further, the method of transmitting audio signals may include transmitting a first video signal and a first audio signal to one component, transmitting a second video signal to the same component and separately transmitting a second audio signal to a second component.

Abstract: The invention relates to an ad-hoc peer to peer network for providing recommendations. User terminals (100, 103) of the data network comprise a local database (115) with community reference information. A processor (111) determines if a communication with a second user terminal (103) is possible and if so, communication is established by a direct wireless link. Community preference information is exchanged between the two user terminals (100,103) and the database (115) is updated accordingly by a database controller (113). The user terminal (100) also comprises a recommendation processor (117) which generates a recommendation based on the community preference information. The invention is particular applicable to small low cost terminals, such as mobile phones or wireless equipped Personal Digital Assistants.

Abstract: Techniques for seeding data among client machines, also referred to as boxes herein, are disclosed. To prevent the data distributed among the boxes from being illegitimately accessed or possessed, according to one aspect of the present invention, each box is configured to perform what is referred to herein as a transcription process. In other words, when encrypted data is received, the data is decrypted and then re-encrypted with a key agreeable with a next box configured to receive the data.

Abstract: A CPU in a home theater device transmits current sound volume control status data to a digital television receiving device when a theater mode is set. A CPU in the digital television receiving device updates, when the sound volume control status data has been received from the home theater device, sound volume control status data stored in a memory with the received sound volume control status data. A CPU in the digital television receiving device determines sound volume setting value data after an operation based on sound volume operation information fed from a remote control device and the sound volume control status data stored in the memory, and transmits a CEC command including the determined sound volume setting value data to the home theater device while displaying a ratio of the current sound volume to a maximum value in a sound volume adjustable range of the home theater device on a display.

Abstract: A method and system to utilize an audio/video server in storing real time, previously recorded or otherwise obtained media data to one or more conventional storage device and making this stored media data available to media playback devices on a network. A first embodiment is a method to operate a video server including recording audio/video data to a storage module coupled to the a video server through at least one standardized port module, determining a need to provide a video file to the one or more playback devices; reading a video file from a storage module coupled to the video server through at least one standardized port module; and providing a version of the video file to one or more playback devices. The version of the video file can optionally be a trans-coded version of the video file, with a new video format, compression, bitrate, or combination of the preceding.

Abstract: A video signal receiving apparatus, includes: a plurality of receiving parts which receive a video signal; a plurality of communicating parts which transmit the video signal to a plurality of external display devices, and transmit and receive control data for changing a display property of the video signal and a setting of the display devices to and from the external display devices; and a control part which controls the communicating parts to transmit the video signal received by the receiving part to the external display devices, and to receive the control data and to transmit a signal which controls the corresponding display devices if the control data is input from the external display devices.

Abstract: This invention disclosure relates to a community access television (CATV) signal distribution system which improves signal isolation issues for systems which are distributing both CATV signals and in-home entertainment (IHE) signals. The signal distribution system includes a signal input port, a first multi-port signal splitter and a second multi-port signal splitter. The first multi-port signal splitter is coupled to the signal input port through a first diplexer, and the second multi-port signal splitter is coupled to the signal input port through a second diplexer. In some embodiments the first diplexer high-pass node and the second diplexer high-pass node are coupled together. In some embodiment the signal distribution system includes a signal output port coupled to the signal input port through a third diplexer. The high-pass node of the third diplexer is coupled to the high-pass node of the first diplexer.

Abstract: Systems and methods for representing a tuner device in a content directory service that is implemented in a media server are disclosed. An exemplary method involves representing a tuner as a tuner container. A broadcast channel which is accessible to the tuner is represented as a broadcast item within the tuner container. The exemplary method also involves exposing the broadcast item within the tuner container as an object for browsing by a control point. Information about the broadcast item may be sent to the control point in response to a browse request. A connection may be established with a media renderer for transmission of content from the broadcast channel to the media renderer.

Abstract: A method and apparatus for informing of the occurrence of an event of a communication terminal in a digital Television (TV) are provided. A method of a TV output generator of informing a digital TV of the occurrence of an event of a communication terminal is provided. The method includes receiving an input of event information from any one of a landline and a mobile terminal, generating a control signal including output information corresponding to the event information, and transmitting the control signal to the TV.

Abstract: A signal from a tuner is outputted to a primary display. An analog signal from another tuner is digitally compressed, subjected to an encrypting process, transmitted to a secondary display by a wireless LAN, and displayed by an LCD of the secondary display. An output of a digital tuner is displayed by the primary display. A video signal of 480I is transmitted to the secondary display. A signal inputted through the Internet is decoded and sent to the primary display. The signal is sent to the secondary display in the compressed state without being decoded and the decoding process is executed in the secondary display.

Abstract: This video display device includes a maker name table and a device type table. Moreover, this video display device includes a communication means which, when some external input channel is selected, receives from a device upon that external input channel the logical address and the vendor ID which are allocated in advance to that device on that external input channel. This video display device also includes a conversion means which converts the vendor ID which has been received by the communication unit to a letter string representing a maker's name, on the basis of the maker name table. The conversion means also converts the logical address which has been received by the communication unit to a letter string representing the device type of the device, on the basis of the device type table. Furthermore, this video display device also includes a display means which displays those letter strings.

Abstract: The present invention relates to improvements in program viewing apparatus and methods, some of which are now commonly referred to as personal video recorder (PVR) and program guide features in television sets, set top boxes and other video devices. The invention provides for a user display such as a flat panel program display device, a user remote for the user to control operations and features, program data storage for storing programs and related information, removable data storage for storing programs and related information on removable storage media. Also included is a data manager which functions include response to the user's desires via the user remote to control receiving and storing programs and select received or stored programs to be displayed on the user display device. The data manager may also be responsive to receive, store and display other services such as programming guide services to provide enhanced program viewing and storage management as directed by the user.

Abstract: A media server located in the home has video processing and storage capability. The media server receives video programming and control data from the cable plant head-end and receives status and control data from set top boxes (STBs). The media server can also receive locally generated video programming. The media server transmits signals that implement head-end functions to set top boxes within the home, including video programming and control data. The media server receives status data from the STBs. A point of entry distribution device provides signal coupling and blocking to allow signals to propagate within the home and to the head-end but block certain signals from leaving the home to maintain isolation. The server communicates to legacy STBs and to new STBs and devices that do not use the legacy waveform. Legacy STBs can communicate with the server or with the cable head-end. New devices can communicate with the server and with each other over the in-home coaxial cable wiring.

Abstract: The present invention provides for transferring user interface information from a host computing device to an electronic device that typically has limited resources. A request to display a user interface on an electronic device is received. Further, information about the electronic device is received for determining the capabilities of the electronic device. Based on the determination, a video codec is utilized for dynamically generating a video data stream that includes user interface information corresponding to at least a portion of the user interface. The video data stream is then transmitted to the electronic device for rendering the user interface on a display of the electronic device.

Abstract: Multiple video streams, or other image information, from a DVD or other single source are selectively directed among two or more display screens. The video streams can be directed automatically, manually or by a combination of automatic and manual techniques. This allows the streams to be viewed simultaneously on different display screens to, e.g., increase the viewing area, provide selectable enhancement and control of video viewing, or for other purposes.

Abstract: A set-box (SBB) is advanced into a receptacle on the rear of a TV to add functionality to the TV. Digital video information is conveyed from the SBB to the TV using respective HDMI connectors on the SBB and TV that mechanically engage each other, whereas bi-directional control information is passed wirelessly between the SBB and TV.

Abstract: Systems and methods are disclosed for providing an interactive television system for recording television programming. The interactive television system may include components for providing personal video recorder (PVR) functionality, such as an interactive television program guide (IPG), PVR extensions, PVR application programming interfaces (APIs), a PVR device, any suitable hardware or software, or a combination thereof. These components may be implemented in, for example, an arrangement having an integrated PVR-compliant device with a PVR device, or in an arrangement having a PVR-compliant device (e.g., a set-top box) coupled to PVR equipment (e.g., a remote PVR server or a PVR sidecar) with a PVR device. The PVR-compliant device may include software and hardware configured to implement the IPG. The PVR APIs may be a library of intelligent vendor-specific and vendor-independent APIs able to determine the type of PVR device being used.

Abstract: Operation history information in which information on an operation using multiple devices on a network performed in another system is recorded is acquired from the other system, and it is determined whether or not the operation performed in the other system is reproducible based on the operation history information. And the operation determined to be reproducible is presented to a user so as to reproduce the operation selected by the user. Reproduction can be executed simply and securely without being conscious of configurations and capabilities of devices in the system on the part of the user.

Abstract: A digital television broadcast system with transmission and/or reception of digital television signals for improved mobile reception. The communication layers in the transmit and receive portions of the transmission system can be dynamically modified, e.g., based on usage patterns or current channel characteristics. The transmission system also provides for cross layer control, whereby parameters in various of the communication layers are analyzed to determine appropriate updates to the system configuration.

Abstract: 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 box to execute the command. According to a second aspect there is provided systems and methods for encrypting information to generate an encrypted signal, the information associated with a command entered via a control; and communicating the encrypted signal to the set-top box, the encrypted signal for decryption at the set-top box to enable execution of the command to operate the set-top box.

Abstract: An approach to recording of television programming for later viewing makes use of a small and relatively inexpensive handheld portable viewer. One or more television programs are loaded into the viewer from a receiver, such as a cable television set-top box.

Abstract: A method is provided for maximizing utility of a media delivery network having a media source, a first media adaptor, a second media adaptor and a media renderer. The media source can provide data in a first format and a second format. The first media adaptor can receive the data in the first format from the media source. The second media adaptor can receive the data in the second format from the media source. The first media adaptor can further provide data in a third format based on the received data in the first format. The second media adaptor can further provide data in a fourth format based on the received data in the second format. The media renderer can render the data in the third format and can render the data in the fourth format.

Abstract: Methods, systems, and apparatuses for securing property are presented. Video content viewed by a user may be detected, and the user may be automatically prompted to change settings on a security system based on the detecting. A comparison of the current time with the duration of the video content may serve as the basis for such prompting. Additionally, a premise security system may be placed in a learning mode. Changes in position of a security sensor may be detected and used to set a permitted range of motion for the sensor. Further, a plurality of security sensor profiles may be stored, and each profile may identify a different predefined permitted range of motion of a sensor. The addition of a new sensor to a premise may be detected, and a user may be prompted, on a display, to identify a profile to be used for the new sensor.

Abstract: Technologies are disclosed to transfer responsibility and control over security from player makers to content authors by enabling integration of security logic and content. An exemplary optical disc carries an encrypted digital video title combined with data processing operations that implement the title's security policies and decryption processes. Player devices include a processing environment (e.g., a real-time virtual machine), which plays content by interpreting its processing operations. Players also provide procedure calls to enable content code to load data from media, perform network communications, determine playback environment configurations, access secure nonvolatile storage, submit data to CODECs for output, and/or perform cryptographic operations. Content can insert forensic watermarks in decoded output for tracing pirate copies.

Abstract: A wireless AV system includes a central wireless unit, serving as a base device, and a TV main unit. The TV main unit includes an SS transmitter/receiver (T/R) unit, a TV section, a TV microcomputer, and a second SS-CPU. The SS T/R unit receives an MPEG-2 stream and command transmission data both of which are transmitted from an SS T/R unit of the central wireless unit, and decodes the MPEG-2 stream and the command transmission data so received. The TV section displays a video signal and outputs an audio signal. The TV microcomputer controls the TV main unit entirely. The second SS-CPU detects a communication condition between the central wireless unit and the TV main unit according to a received radio wave field intensity and a retransmission request made based on an error rate.

Abstract: An apparatus for connecting a computer and a TV is disclosed. The apparatus according to the present invention includes a TV coding unit for encoding various control signals such as a TV signal, etc.