An electronic program schedule system which utilizes a receiver for receiving broadcast, satellite or cablecast television programs for a plurality of television channels and a tuner for tuning a television receiver to a selected one of the plurality of channels. A data processor receives and stores in a memory television program schedule information for a plurality of television programs to appear on the plurality of television channels. A user control apparatus, such as a remote controller, is utilized by a viewer to choose user control commands and transmit signals in response to the data processor which receives the signals in response to user control commands. A television receiver is used to display the television programs and television program schedule information. A video display generator receives video control commands from the data processor and program schedule information from the memory and displays a portion of the program schedule information in overlaying relationship with a television program appearing on a television channel in at least one mode of operation of the television programming guide. The data processor controls the video display generator with video control commands, issued in response to the user control commands, to display program schedule information for any chosen one of the plurality of television programs in overlaying relationship with at least one television program then appearing on any chosen one of the plurality of channels on the television receiver. The system includes a scan feature to permit the user to scan program schedule listings for multiple programs in any of the operational modes of the system with the issuance of a single user control command.

Electronic television program guide schedule system and method with scan feature

Systems and methods for providing broadband communication are provided. A source component may be configured to provide a downstream broadband signal to one or more customer devices and receive upstream signals from the customer devices, including a first upstream signal having a frequency lower than the downstream broadband signal and a second upstream signal having a frequency higher than the downstream broadband signal. An optical fiber node in communication with the source component may be configured to receive and convert downstream and upstream broadband signals from radio frequency signals to light signals and vice versa. A terminator in communication with the optical fiber node via one or more cable lines may be configured to output the radio frequency downstream signal for receipt by the customer devices and to direct the communication of the upstream signals to the optical fiber node via the one or more cable lines.

Systems and methods for providing broadband communication

Systems and methods for improving or suggesting alternatives to content surfing are provided. When it is detected that a user wishes to surf, a pipeline tuning sequence is implemented where by storing one or more frames of a first content selection to the user equipment and acquiring a subsequent content selection while concurrently displaying the previously stored one or more frames. Content suggestions, program listing grids, media guidance application and tuning hints, advertisements, digital audio, and live video may also be presented to user while content surfing. In some embodiments, content surf landing channels may be anticipated based on user history, user profiles, or any other suitable information. In some embodiments, thumbnails of the user's recently tuned, or paused on, content are displayed to the user while content surfing. In multiple tuner systems, more than one thumbnail may be displayed in full motion video.

Systems and methods for content surfing

Techniques for coordinated and device-distributed detection of abnormal network device operation are provided. In some embodiments, a method may include identifying a suspicious activity condition associated with a suspect network device. The suspicious activity condition may also be associated with the device itself. Activity of the network device may be detected and analyzed, including additional data corresponding to the activity from one or more other network devices in the same network. In response to determining that the suspicious activity condition is satisfied, an alert communication can be transmitted that identifies the suspect network device. When the activity is associated with the device itself, a local operation at the network device may be changed.

Coordinated and device-distributed detection of abnormal network device operation

Systems and methods for a video scan are provided. The scan may be dynamically interactive and a function of characteristics of the programs in the scan (e.g., commercial breaks or the end of a program approaching) The scan may simultaneously display multiple scan windows for a plurality of programs, for example in a scan wizard. The scan wizard allows the user to simultaneously view a scan window and an information panel, select criteria for the scan from a criteria panel, and control the scan using a scan control panel. The scan may allow the user to record a program displayed in the scan without interrupting the scan (e.g., by using an additional tuner). The scan may display, within the scan interface, trick-play functions for appropriate scanned programs (e.g., recorded, cached and on-demand programs). The user may select and perform trick-play functions for a scanned program without exiting the scan mode.

Systems and methods for providing a scan

A system for performing transmission and reception operations based on broadcast/communication convergence. A transmitter adapted for the broadcast/communication convergence converts input broadcast data into a parallel format, inserts port identification (Port ID) information into each of the broadcast data converted into the parallel format and input communication data, multiplexes the broadcast data and the communication data, and transmits a broadcast/communication convergence signal based on a result of the multiplexing through a single transmission channel. A receiver adapted for the broadcast/communication convergence demultiplexes the broadcast/communication convergence signal using the Port ID information to be separated into the broadcast data and the communication data when the broadcast/communication convergence signal is received, and outputs data to a corresponding destination.

System and method for performing transmission and reception operations based on broadcast/communication convergence

According to the present invention, content generated from a mobile terminal, a camera, or the like is stored automatically in a home gateway in a home network system. If synchronization is set between the home gateway and a home device, the home gateway may transmit backup content to the synchronized home device. Content may be selectively stored and classified based on a specific location, memo, voice, and the like set by a user for privacy protection.

Apparatus and method for contents back-up in home network system

An optical subscriber network system is disclosed, which comprises: a server bi-directional optical transmitter including a multiplexer to multiplexes communication data and broadcast data, a server laser diode to converts the multiplexed data into an optical signal, and a server photo diode receive communication data from a subscriber, wherein the server bi-directional optical transmitter transmits the upstream communication data; and a subscriber bi-directional optical receiver including a subscriber laser diode to transmit upstream communication data, a subscriber photo diode to receive the optical signal transmitted from the server bi-directional optical transmitter, and a demultiplexer to demultiplex and divide the multiplexed signal into communication data and broadcast data. In the optical subscriber network system, the optical transmitter and the optical receiver can transceive image signals and Ethernet communication signals in a two-way direction by means of a single laser diode and photo diode.

Optical subscriber network system

An asynchronous transport stream receiver of a digital broadcasting receiving system connected to MPEG-2 (Moving Picture Experts Group-2) equipment, such as a VOD (Video On Demand) server is disclosed. The inventive receiver includes an FIFO section for storing MPEG-2 data generated from DVB-ASI (Digital Video Broadcasting Asynchronous Serial Interface) signals, an oscillator for generating clock signals for producing the MPEG-2 data from the DVB-ASI signals, and a read controller for reading and outputting the MPEG-2 data stored at the FIFO section in synchronization with clock signals of the oscillator. Accordingly, the MPEG-2 data can be processed and outputted regardless of the SD or HD leveled compression condition (bit rate) of the MPEG-2 data transmitted according to the DVB-ASI standard.

Asynchronous transport stream receiver of digital broadcasting receiving system employing DVB-ASI mode and method for transmitting asynchronous transport stream thereof

An optical transmission network is disclosed that classifies digital broadcast channel data according to virtual channel connection (VCC) before transmission. In the optical transmission network, an optical signal receiver converts an optical signal from an optical line terminal (OLT) into an ATM cell that is classified according to the VCC. A VCC-based ATM cell classifier detects header information and a payload part from the classified ATM cell of each VCC. PID analyzers receive a payload part of an ATM cell corresponding to one VCC from the VCC-based ATM cell classifier, extract PID of each broadcast channel from digital broadcast channel data included in the payload part, and output specific broadcast channel data in the broadcast channel data included in the payload part. A switch receives broadcast channel data output from the PID analyzers and switches the received broadcast channel data to a broadcast channel desired by each subscriber. The controller updates broadcast channel information by receiving header information of the classified ATM cell of each VCC from the VCC-based ATM cell classifier, receives the broadcast channel desired by the subscriber, and controls the PID analyzers to output the desired broadcast channel according to VCC information with the desired broadcast channel included therein so that the output broadcast channel is matched to the subscriber.

Kyu-Hyung Cho

Papers

System and method for performing transmission and reception operations based on broadcast/communication convergence

Apparatus and method for contents back-up in home network system

Optical subscriber network system

Asynchronous transport stream receiver of digital broadcasting receiving system employing DVB-ASI mode and method for transmitting asynchronous transport stream thereof

Apparatus and method for switching broadcast channel using VCC information