Abstract: A power appliance for a cell site is described. In particular, the appliance is a remote load loss compensator that boosts a voltage output from a power appliance housed in an equipment shelter of a cell site to a level suitable to compensate for conduction losses through a power supply line that feeds power output from the equipment shelter to one or more remote loads, such as a remote radio unit mounted atop an elevated structure. The remote load loss compensator includes a voltage converter and a controller configured to set an output voltage of the voltage converter to a level suitable to compensate for conduction losses in the power supply line.

Abstract: A system (100) for providing resilience in a communication network capable of providing multiple services to multiple customers. The system (100) includes at least one Optical Line Terminal (OLT) (110), and at least one Passive Optical Network (PON) based architecture (115) operably coupled to the at least one OLT (110). The PON based architecture (115) includes at least one down link mechanism (120) operably coupled to the at least one OLT (110). The down link mechanism (120) is capable of transporting optical signals generated by the OLT (110) downstream to users end via the PON based architecture (115) and includes at least one Free Space Optics (FSO) Link (130) configured to operate in a continuous mode both during up linking and down linking. The down link mechanism (120) provides the resilience in the communication network.

Abstract: A set-top-box (STB) provides capability for monitoring and control of power usage and the ability to establish communications. A smart residential service system (SRSS) is provided that uses power line communication (PLC) technology to provide secure in-home LAN communication and also to monitor and provide remote control of connected appliances in the home. An embodiment combines the STB with a master unit (MST) that is used with PLC to meet the requirements of the central device in the SRSS.

Abstract: A KVM (K: Keyboard, V: Video, M: Mouse) switch includes: a plurality of first ports each of which is connected to at least one of a computer and another KVM switch, the another KVM switch having a plurality of third ports connectable to a computer; a second port; a connection unit that selects a first port from the plurality of first ports, and connects the selected first port to the second port; and a control unit that transmits a control signal to the another KVM switch via the selected first port when the first port connected to the computer is connected to the second port, the control signal being a signal for selecting a third port to be connected to the second port from the third ports.

Abstract: A system includes multiple KVM switches, multiple user consoles and a recording system connected via a network. Each KVM switch facilitates interactions between user consoles and selected servers connected its server ports. The KVM switch transmits keyboard, mouse and video data exchanged between user consoles and servers, and administrative data, to the recording system. The recording system records the keyboard, mouse, video and administrative data, and detects trigger events based on such data. Trigger events include predefined keywords, mouse operations, video images, user IDs and server IDs, or combinations thereof. When a trigger event is detected, the recording system automatically transmits monitoring information to an administrative console via the network. The monitoring information may include combined video data containing information about keyboard and mouse actions superimposed on desktop images. The administrative console may also request specific recorded data for review.

Abstract: In a system in which an image signal is transmitted from a source device to a sink device and the sink device (or source device) supplies power to the source device (or sink device), power saving of standby power supplied by the sink device (or source device) is realized. There is a feature that a sink device or a source device detects connection with the other device, starts the supply of standby power, confirms that the standby power does not flow or confirms that message exchange with the other device is possible even if the standby power is temporarily stopped, and stops the supply of the standby power.

Abstract: An embodiment of the present invention provides a smart feed line automation system based on 10 kV carrier communication. The system monitors smart switches of the line via 10 kV carrier communication, detects smart transformers, and calls up and returns centralized meter-reading information of smart transformer region. Furthermore, the detection of the state of a 10 kV power line may realize real-time monitoring of the temperature, insulating level and change of voltage and current of a 10 kV aerial line and cable line, and realize alarm for an abnormal state and fault information report, so as to rapidly identify, position, isolate and recover the fault.

Abstract: A system and method for conserving bandwidth for a data connection. A television is detected to have been turned off. Recording information is requested from a digital video record. A content stream to the digital video recorder and the television is terminated in response to receiving the recording information and determining the DVR is inactive.

Abstract: A router module is arranged in a housing of a smart television. The router module is externally connected to a modem for surfing the Internet. The router module is electrically connected to a micro processing unit of the smart television. Therefore, the smart television is connected to the Internet through the router module. A wireless transmission chip of the router module is configured to process Internet signals. An antenna module is configured to wirelessly transmit the Internet signals, so that wireless network is shared to outside.

Abstract: A display apparatus includes a receiver which receives a broadcasting signal, a display which displays an image based on the received broadcasting signal, a communication unit which communicates with a mobile device, and a controller which determines whether the mobile device interferes with at least one channel of a plurality of broadcasting channels received through the receiver, and controls the display to display a user interface (UI) indicates a user whether image noise has resulted from channel interference by the mobile device.

Abstract: An electronic device and a control method thereof are disclosed, the electronic device including: an operation implementation unit conducting a predetermined operation; a first main controller controlling the operation of the operation implementation unit; an input reception unit receiving an input signal; a second main controller processing the input signal and being in the power saving state in the standby mode; and a subcontroller controlling the second main controller to process the input signal when the input signal is received in the standby mode, wherein the second main controller processes the received input signal according to control of the subcontroller, controls the first main controller to operate in the normal mode when the input signal corresponds to entering the normal mode, and returns to the power saving state in the standby mode when the input signal does not correspond to entering the normal mode.

Abstract: This technique relates to a receiving device, a receiving method, and a program that can demodulate transmitted signals with high accuracy. A receiving device of this disclosure includes: an amplifying unit that amplifies a received signal; an adjusting unit that adjusts gain of the amplifying unit in accordance with power of the signal; a demodulating unit that demodulates the amplified signal; and a detecting unit that detects an interval from the signal, information having the same content continuously appearing in the interval. The adjusting unit restricts the process of adjusting the gain of the amplifying unit in accordance with a result of the detection of the interval. This disclosure can be applied to receiving devices that receive broadcast signals compliant with DVB-C2 via a CATV network.

Abstract: Disclosed are a digital TV and a method for controlling same. The method for controlling a digital TV according to one embodiment of the present invention includes: displaying a user interface (UI) capable of selecting the standby mode for a power-off operation; and disconnecting the power source for a display panel so as to enter the standby mode when the standby mode is set through the UI in the power-off operation, and a power-off command is received. The standby mode includes a lower standby mode based on the operation of the digital TV and a network function, and the digital TV in the standby mode stops AV channel communication and performs SI channel communication.

Abstract: A network device may be operable to receive an indication from a cable modem termination system (CMTS) that media access control (MAC) management messages will be transmitted by the CMTS at fixed intervals. Subsequent to receiving the indication, the network device may be operable to power down one or more components of the network device and set a sleep timer to a value equal to an integer multiple of the fixed interval minus a transition period. The network device may power up the one or more components of the network device upon expiration of the sleep timer. The network device may power up the one or more components of the network device upon an amount of traffic in a buffer of the network device reaching a threshold.

Abstract: An apparatus and method are provided for receiving and displaying cellular television content. In one embodiment, the apparatus includes a wireless communication device for establishing a connection to a wireless telecommunications network and for receiving video content over the connection. The apparatus includes a processor for receiving the cellular television content and the television signal. The processor generates a signal for display on a video display screen from the television signal and the video content. A video display screen is also provided in the apparatus for displaying the signal. The apparatus may also include a remote control interface and a remote control device that includes a keypad for establishing a wireless telephone call through the apparatus over the wireless telecommunications network.

Abstract: A communication apparatus includes a transmission unit, a command processing unit, an acquisition unit, a first determination unit, a second determination unit, and a control unit. The second determination unit determines whether a first physical address acquired from the external apparatus by the acquisition unit matches a second physical address included in a second command received by the command processing unit. The control unit controls the command processing unit to transmit the first command including the first physical address to the external apparatus if it is determined that the first physical address matches the second physical address.

Abstract: The present disclosure discloses a passive optical network (PON) user terminal comprising a passive optical network interface unit (PONIU) having access to a PON system, a service data distribution unit (SDDU) connected to the PONIU for distributing service data, a plurality of service processing units (SPUs) for receiving and accordingly processing the service data distributed by the SDDU, a power source for providing power to the above units, and a power supply control unit (PSCU) for controlling the activating/deactivating of the energy-saving power supply to the SPUs, the SDDU, and the PONIU. The present disclosure further provides a method for controlling the PON power supply and for reporting the power supply state. The present disclosure allows control of the energy usage of the PON user terminal to save power when a service in the PON user terminal is not used or when the user terminal uses a backup power source to supply power.

Abstract: A system and method for conserving bandwidth for a data connection. A television is detected to have been turned off. Recording information is requested from a digital video record. A content stream to the digital video recorder and the television is terminated in response to receiving the recording information and determining the DVR is inactive.

Abstract: A method, system, and computer-readable media are provided for transmitting wireless data across a coaxial cable. In one aspect, a set of computer-readable media provides a method that includes receiving a request from a mobile device for data and transmitting the data across a coaxial cable to a cable modem. The method further includes sending the data to the mobile device through a base station, wherein the base station communicates with the cable modem in order to receive the data.

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 method and apparatus for playing a mobile video program buffers program content received in real time when there is a considerable movement state change. After the movement state becomes stable, playing will be resumed. While playing is resumed, the buffered contents can be firstly played, including the playing manners such as skipping, fast forward, etc, and then a program content received in real time will be played after all the buffered contents have been processed. According to the mobile video playing method, both the user's requirement for the continuity of a program content and the user's viewing effect will not be influenced by a fierce change of movement state of the mobile video apparatus.

Abstract: Disclosed is a remote network management system for coupling a series of remote domain servers, file/print servers, headless servers, network appliances, serial IT equipment, switches, routers, firewalls, security interfaces, application servers, load balancers, and environmental controls to one or more user workstations allowing for selective access of the remote devices. The remote devices are all connected to a remote management unit which interfaces each user workstation to the remote devices. The power supply of each remote device is similarly connected to the remote management unit through a controllable power supply. An option menu containing a list of all of the remote devices allows a user to select and operate any of the remote devices from the workstation. The option menu is also utilized to selectively control the power to the remote devices, servers, and computers.

Abstract: The disclosure is directed to customer premises equipment including a network access port configured to receive broadband digital network data from broadband wireless network access equipment, a broadcast access port configured to receive digital satellite broadcast data, and a unified access port configured to provide the broadband digital network data and the digital broadcast data via a coaxial cable.

Abstract: The present disclosure discloses a passive optical network (PON) user terminal comprising a passive optical network interface unit (PONIU) having access to a PON system, a service data distribution unit (SDDU) connected to the PONIU for distributing service data, a plurality of service processing units (SPUs) for receiving and accordingly processing the service data distributed by the SDDU, a power source for providing power to the above units, and a power supply control unit (PSCU) for controlling the activating/deactivating of the energy-saving power supply to the SPUs, the SDDU, and the PONIU. The present disclosure further provides a method for controlling the PON power supply and for reporting the power supply state. The present disclosure allows control of the energy usage of the PON user terminal to save power when a service in the PON user terminal is not used or when the user terminal uses a backup power source to supply power.

Abstract: Method and systems for operating a media equipment device having at least a full-power mode and an off-power mode are provided. A voltage supply to the media equipment device may be controlled by the media equipment device itself or by an external power management unit to automatically power-off the media equipment device, and power the device back on a future time. Prior to powering off the media equipment device, a portion of program schedule information stored in the volatile memory of the media equipment device may be mirrored to nonvolatile memory and may be restored on a priority basis after the media equipment device is powered back up. An external power management unit for controlling the media equipment device may also automatically detect and identify devices in the home based on a power signature of the device and manage the operation of the device based on the identification.

Abstract: A device for connecting a phone to a television so that content available via the phone can be rendered on the television is provided. The phone-to-television device includes a telephone interface for receiving content from and sending commands to the connected phone and includes a television interface for transmitting the received content for rendering on the connected television. The phone-to-television device includes a converter for converting content received from the phone into a television format and includes a transmission component for transmitting the formatted content for display on the television. As the user interacts with the phone, the user can view on the television the content that is provided by the phone.

Abstract: A power sourcing equipment (PSE) device is disclosed that includes an interface adapted to communicate with a powered device via wire pairs of a cable, a power supply circuit adapted to provide power to the interface, and device detection logic to detect the powered device coupled to the interface. The PSE device further includes power classification logic coupled to the interface and adapted to provide a power classification signal to the powered device. The power classification signal includes a first power classification signal and a second power classification signal to identify a power classification associated with the powered device. The power classification logic monitors the interface to detect a device classification response from the powered device and determines the power classification associated with the powered device based on the device classification response.

Abstract: A system is described comprising: a local node to distribute multimedia content to a plurality of remote nodes; a power detection module to detect power usage of a multimedia device coupled to a first one of the remote nodes; a power analysis module to determine, based on the detected power usage, whether the multimedia device is in a first power state or a second power state; and a transmitter to transmit an indication of the detected state to the local node, the indication usable by the node to allocate multimedia processing resources across the plurality of remote nodes.

Abstract: A broadcast receiver includes an input unit, a receiving unit, a control unit, a main memory, a demultiplexer unit, and a decoding unit. A transport stream of digital packetized data includes various data types identified by various parameters within the packet header. A filtering table lists select identifying parameters representing the various data types which are to be stored and processed. Data packets which do not have a select parameter found within the filtering table are ignored by the broadcast receiver. The filtering table is scalable by a control unit to an optimum size, which is the minimum size necessary to store all necessary parameters. A control unit determines the number of parameters required in the filtering table, and scales the filtering table to accommodate that number of parameters.

Abstract: A signal input port of a reverse amplifier is provided by an FIC connector, for direct connection to an F-port output of a forward amplifier, thereby eliminating the need for jumper cables. Also, via this connection, the reverse amplifier remotely provides power to the forward amplifier.

Abstract: A system and method in which two voltages are provided to a camera site. The voltages are used to power cameras having separate voltage requirements.

Abstract: A digital intercom device consistent with certain embodiments uses power line communication (PLC). A power line interface connects to a power line serving as a communication medium. An audio codec is coupled to the power line interface for encoding and decoding digital data to and from data suitable for use by the power line interface. A digital to analog converter receives digital decoded data from the codec and converts the digital coded data to a received analog signal. A receive audio amplifier amplifies the received analog signal to a level adequate to drive a speaker. A transmit audio amplifier amplifies a transmit audio signal and provides an amplified transmit audio signal as an output. An analog to digital converter converts the amplified transmit audio signal to a digital representation thereof and passes the digital representation to the codec. A control processor controls operation of the interface and the audio codec.

Abstract: An interactive information aggregator is provided for off-broadcast access to trigger information, which can include interactive television triggers, accompanying content and data, network addresses. The aggregator can be implemented in an interactive television system so as to perform real-time capture and aggregation of trigger information through cooperation with content providers, use of a network of collection devices deployed in the interactive television system, or generation of trigger information by third-party entities. The aggregated information can then be made available to ancillary devices used by viewers, independently of being provided to a set top box and television. For instance, the aggregated information can be provided to ancillary devices that do not have direct access or capability to process television broadcast signals.

Abstract: A system and method for calibrating power level during initial ranging of a network client device, such as cable modem facilitates communications between a network client device and a network device such as a cable modem termination system. The method includes dividing the dynamic range of the cable modem transmitter into a plurality of regions and attempting initial ranging in each of the different regions. If a response is not received from the network device, the method including adjusting the power level and reattempting the initial ranging in the different regions. Once a range response message is received from the network device the process of initial ranging is complete.

Abstract: In a cable broadcasting system of the invention capable of setting output or stop of broadcasting-signals from tap output terminals of a tap device in response to a command signal transmitted by a center equipment, when demand for output setting for many tap devices occurs, output setting of the corresponding tap devices can be surely carried out without increasing the load on each power supply device for supplying the tap devices in each district with electricity. When demand for setting tap output of plural tap device occurs, a head-end controller reads output setting data for all the tap devices which are the objects of tap output setting and transmits command signals in order to tap devices at a rate of one tap device per each district covered by a power supply device.

Abstract: A technique is disclosed for selectively adjusting the power and/or frequency of cable modems without relying solely on the most recent measurement of these values to determine whether a change is necessary. Rather, it considers multiple recent measurements and from these makes its assessment. In one approach, the technique employs an average of the recent measurements to determine whether a change in power or frequency is necessary. There are actually at least three determinations that can make use of multiple recent measurements. These include (1) determining whether the signals are fluctuating to an extent that requires a special adjustment technique, (2) determining whether an adjustment is necessary (using the special technique), and (3) determining how large of an adjustment is necessary.

Abstract: A CATV system has a multitude of customer interfaces which include an external unit and an internal unit. The units includes equipment for signal conditioning, cable to telephone interface, and/or cable to computer interface. The internal unit is provided with power by the customer, and the power is used to operate the equipment of the units. The customer supplied power is isolated from the power distributed in the cable television system. Preferably, the customer supplied power is conducted through the coaxial television cable between the internal unit and the external unit. The invention reduces power consumption and allows such customer interfaces to be easily added to existing and future cable systems without overwhelming the existing AC power distribution system of the cable television network.

Abstract: A power supply circuit in the tap device includes a first power supply circuit for generating a first power voltage of DC 24V to drive output switching relays, and a second power supply circuit for generating a second power voltage of DC 5V to be supplied to a receiving circuit and a microcomputer. The second power supply circuit lowers the voltage of the alternating-current power signal from the transmission line with a transformer, rectifies and smoothes the power signal with the lowered voltage, then generates the power voltage using a three-terminal regulator. The tap device can be used in CATV systems with different voltages of the alternating-current power signal employed, a power loss generated in the system with a high voltage is reduced, and the power consumption of the tap device can be suppressed.

Abstract: Cable modems are provided for measuring a noise signal power level on the upstream side of the cable network. The cable modem may be configured to make the signal power measurements at a variety of frequencies and at a selected bandwidth during a specified test time period responsive to a request received from the cable network. Methods and systems are provided for identifying a noise signal source on a cable network including specifying a time window for measurements, the desired measurements and the cable modems from which measurements are desired when the need to initiate a test to identify a noise source is detected. Tests may be initiated based on noise signal measurements by individual cable modems or by the cable services provider which indicate an unacceptable noise level. In addition, the reliability of the test measurements may be improved by not allowing any transmissions on the upstream side during the concurrent test window while cable modems are making the requested measurements.

Abstract: This invention enables setting an RF output channel to a desired channel with a simple operation. A number key on a remote controller is depressed for long time of three seconds or more as an operation other than an ordinary operation for the number key. If a control portion detects a setting signal generated by thus depressing the number key for the long time, the control portion determines whether a channel corresponding to the operated number key is vacant. If the channel is vacant, the control portion sets the channel as the RF output channel. If the channel corresponding to the depressed number key is not vacant, a vacant channel is searched. If there is a vacant channel, the vacant channel is set as the RF output channel.

Abstract: A method of converting application data to transport data in a power line communication system includes receiving application data from an application in a device through a service access point. The connection type and connection specification for the application data is then analyzed to determine if a connection exists for the application data. If a connection exists for the application data, mapping the application data is mapped into transport data.

Abstract: The method is used in a telecommunication network wherein a central station (CS) is coupled to a plurality of residences (R1,R2,R3). One of the residences (R3) includes a termination unit (TU) which is coupled to the central station (CS) via a first port (P1). The residence (R3) also includes subscriber terminals, e.g. a personal computer (PC), a telephone set (TEL), a television set (TV) and a set-top box (STB) which are coupled to the termination unit (TU) via a second port (P2). The method includes amplifying an upstream signal (US) applied to the second port (P2) with an upstream gain value (UG) by means of an upstream signal amplifier (U-AMP3) which is included in the termination unit (TU). Thereby, an amplified upstream signal (AUS) is generated and provided to the first port (P1).

Abstract: A broadband telecommunication network (such as a cable television distribution system) includes a plurality of switching units (such as taps) controlling subscriber access to the network. The switching units are controlled from a central location (such as a head end) using minimal network transmission medium power. A repeating sequence of switching unit control messages is sent from the central location across the network. Each of the messages is addressed to an individual one of the switching units. Each switching unit is periodically powered up from a low power sleep state to a higher power operational wake state in synchronization with a corresponding one of the control messages being sent from the central location. After a switching unit's corresponding control message is processed, the switching unit is returned to the lower power sleep state.

Abstract: The system integrates a CCTV system including one or more video source units into the structured cabling system (“SCS”) of a building or the like by combining video signals, control signals and power for each video source unit over a single multipair cable made up of plural unshielded twisted pairs (“UTP”) of insulated copper conductors, so that one twisted pair of the cable carries the video signals, one pair carries the control signals and one or two pairs carry the power. The system includes combiners and distributors which can interface with the SCS cable through standard modular, multi-pin plug and jack connectors.

Abstract: A method for automatically searching a cable TV band is disclosed to effectively perform a cable TV band searching in a TV or a set-top box which is available for receiving a ground wave broadcast signal. The method includes the steps of: detecting a cable TV band for a channel of a VHF frequency band; and detecting a cable TV band for a channel of a frequency band a ground TV does not use in order to confirm whether the detected cable TV band is accurate.

Abstract: A video signal and an audio signal are time division multiplexed, encrypted, and transmitted. A transmission side time-compresses the audio signal, multiplexes, encrypts, and transmits the time-compressed audio signal in a blanking period of the video signal. Control is performed using an audio signal data enable signal ADE, and a audio signal/video signal switch signal.

Abstract: A KVM switch is disclosed having on screen display (OSD) circuitry coupled to a user workstation for providing a user a convenient interface by which to operate the KVM switch. First switching circuitry coupled to a plurality of computers and coupled to the OSD circuitry allows a user to access any of the computers or the control functions of the KVM switch. Second switching circuitry coupled to switch electrical power to the computers and further coupled to the OSD circuitry allows a user of the KVM switch to selectively control electrical power to the computers.

Abstract: A terminal is coupled to a video distribution network headend, and transmits upstream packets to the headend. Each upstream packet has a transmission power. The terminal receives a downstream packet from the headend, indicating a change in power. The terminal calculates an adjusted transmission power, based on the change in power specified in the downstream packet, and sets the transmission power of the upstream packets to the adjusted transmission power. The headend can be coupled to one or more terminals. The headend receives upstream packets from the terminal. The headend senses a received transmission power of each packet, and calculates a weighted average transmission power based on the received transmission powers. The headend calculates a change in transmission power based on the weighted average and a predetermined set point. The headend transmits a downstream packet to the terminal, indicating the change in power.

Abstract: A method to estimate light sources in a common support space comprising at least one visual data set associated with at least one support space having a position, a dimension and a size. The position of the light sources is determined according to the position, the dimension and the size of the individual support space and the color distribution is determined according to the visual data set.

Abstract: The present invention is an upstream power control system, within a cable modem which controls the power consumption of the cable modem. The power control system comprises a MAC chip which synchronizes upstream communication signals for transmission to a cable network and outputs an upstream control signal, an upstream amplifier which receives the synchronized upstream communication signals, and a complex programmable logic device (CPLD). The CPLD controls the upstream amplifier in response to the upstream control signal such that the upstream amplifier is powered on during transmission of the communication signals, and powered off when not transmitting, which results in the reduction of power consumed by the cable modem.