Abstract: Systems, methods and devices for a coaxial cable transmission system. A power supply receives a primary power signal from a power source. The power supply generates a switched direct current power signal from the primary power signal. A power gateway receives the switched direct current power signal over a coaxial cable from the power supply. The power gateway generates a secondary power signal from the switched direct current power signal. A load device receives the secondary power signal from the power gateway. In some implementations, the power supply generates the switched direct current power signal at a positive direct current voltage level for a first part of a time period and at a negative direct current voltage level for a second part of the time period.

Abstract: A display apparatus includes a display panel and a timing controller. The timing controller generates first output image data based on input image data and sets a driving frequency of the display panel as a first frequency in a first operation mode. The timing controller converts the input image data into second output image data and sets the driving frequency of the display panel as a second frequency lower than the first frequency in a second operation mode. The display panel displays a first image based on the first frequency and the first output image data in the first operation mode. The first image is represented by X grayscales. The display panel displays a second image based on the second frequency and the second output image data in the second operation mode. The second image is represented by Y grayscales, where Y is less than X.

Abstract: Various embodiments of systems, devices, and methods are described for wireless communication. In one example a first wireless signal is received in a first radio frequency spectrum using a first antenna exterior to a building. The first wireless signal is associated with a first wireless protocol. The first wireless signal is converted into a first intermediate signal associated with a coaxial protocol. The first intermediate signal is transmitted to an interior of the building using a coaxial cable. The first intermediate signal is converted into a second signal associated with a second wireless protocol. The second signal is then transmitted in a second radio frequency spectrum using a second antenna interior to the building. The second signal is transmitted using the second wireless protocol.

Abstract: Various embodiments of systems, devices, and methods are described for wireless communication. In one example a first wireless signal is received in a first radio frequency spectrum using a first antenna exterior to a building. The first wireless signal is associated with a first wireless protocol. The first wireless signal is converted into a first intermediate signal associated with a coaxial protocol. The first intermediate signal is transmitted to an interior of the building using a coaxial cable. The first intermediate signal is converted into a second signal associated with a second wireless protocol. The second signal is then transmitted in a second radio frequency spectrum using a second antenna interior to the building. The second signal is transmitted using the second wireless protocol.

Abstract: System and methods for inferring network topology are described, including a method comprising determining a normalized transmit power of a first device, identifying a second device based upon a parameter of the second device and the normalized transmit power of the first device, and generating a topology including the first device and the second device based upon at least one of the normalized transmit power of the first device and the parameter of the second device.

Abstract: To simplify a power circuit of a transmitting apparatus (source equipment) connected to a receiving apparatus (sink equipment). Sink equipment 120 has a satisfactory power circuit 126. Initially, power is fed from source equipment 110 to the sink equipment 120. When the source equipment 110 intends to receive feed of power from the sink equipment 120, the source equipment 110 transmits request information on power feed to the sink equipment 120. The transmission is carried out using a reserved line, a power feed line, or a CEC line of a cable 130, or a high-speed bidirectional communication means. If the sink equipment 120 receives the request information on power feed, the sink equipment 120 feeds power fed the power circuit 126 to the source equipment 110.

Abstract: Techniques for managing power consumption and computational load on a processor during video processing and decoding are provided. One representative embodiment discloses a method of processing a data stream that includes video data. According to the method, one or more protocols used to create the data stream are identified. The various parsing and decoding operations required by the protocol are then identified and managed based on the available electrical power or available processing power. Another representative embodiment discloses a method of processing a data stream that includes video data. According to the method, one or more protocols used to create the data stream are identified. The various parsing and decoding operations required by the protocol are then identified and managed based on a visual quality of the video or a quality of experience.

Abstract: Techniques for power and computational load management in video processing and decoding are provided. In one configuration, an apparatus comprising a processor having a set of instructions operative to extract and compile information from a data stream having video is provided. The processor is operative to prioritize a set of parsing or decoding operations to process the data stream referred to as power management (PM) sequences based on the information and calculate projections of at least one of power and computational loading for each of the prioritized PM sequences.

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: 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: The present invention includes an apparatus for distributing a received modulated RF signal to a plurality of tuners including a diplexer device. The diplexer device includes a plurality of filter circuits adapted to direct respective portions of the received modulated RF the signal to respective tuner devices. In an illustrated embodiment, the tuner devices supply tuned signals to a picture in picture display device. Also disclosed is a method of receiving a modulated ready of frequency signal and routing portions of the received signal to respective tuner devices using filter devices in a diplexer or multiplexer configuration.

Abstract: A system and method for programming a digital video recorder (DVR) over a scheduling network. Program schedule information is provided to a user of a DVR via the scheduling network. A program selection is received from the scheduling client associated with a subscriber via the scheduling network. State information indicative of a state of a program provisioning system is used to determine whether the program selection is deliverable to the DVR via the program provisioning system. If the program selection is deliverable to the DVR via the program provisioning system, then the program is scheduled for recording by the DVR. The subscriber is notified if the program selection is deliverable or undeliverable.

Abstract: A method and apparatus for enabling the integration of key components associated with triple play services into an integrated system are disclosed. For example, the method integrates rooftop components for providing the triple play services into an outdoor unit (ODU) and integrates in-house components into a triple play service set top box for providing the triple play services.

Abstract: Once an active video conference is set up and a user is viewing the active video conference at a video terminal, the video terminal looks for different events that indicate a change in focus of the user to or from the active video conference. For example, the user brings up another application and starts using the application or the user has minimized a window that is displaying the active video conference. The video terminal sends a change of focus message based on the event to a video conference bridge or another video terminal that is streaming the active video conference to the user. The video conference bridge/video terminal processes the message and changes video portion of the stream of the active video conference based on the message. The result is that there is improved use of bandwidth between the video terminal and the video conference bridge/video terminal.

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: Methods, systems, and apparatus can be used to provide adaptive power control in CATV systems. In various examples, adaptive power control can adjust the power output to amplifiers based upon the load of a communication signal being amplified. The power output can be calculated to maintain specified performance levels for amplification of the communication signal.

Abstract: A method and apparatus for updating set top box software from a resident software version stored in a memory of the set-top box to a current software version is disclosed. The method comprises the step of automatically checking to determine if the resident software version is the current software version, and downloading data comprising at least a portion of the current software version if the resident software version is not the current software version.

Abstract: A system and method of delaying power-up of an information handling system is disclosed. According to an aspect, a method of powering an information handling system can include detecting a delay power-up setting within a basic input output system (BIOS) of a particular information handling system using a management controller. The management controller can be configured to delay power-up of the particular information handling system. The method can further include enabling a power-up of the particular information handling system in response to the delay power-up setting using the management controller.

Abstract: Video data from an upload client is received at a hosting node. A request from a download client is received at a bootstrapping node to receive the video data. The download client to receive the video data directly from the hosting node when the hosting node is below a threshold, wherein the threshold is based at least in part on the maximum number of download clients the hosting node can stream to simultaneously. The download client to receive the video data from peers in a peer-to-peer overlay when the hosting node above the threshold.

Abstract: Automatically recovering from broken network connections in streaming media scenarios. Server software executing on the server communicates with client software executing on the client during the streaming media session. If the streaming media session is interrupted, the server software and the client software exchange messages to associate the client with a client state stored by the server and to re-synchronize playback of the content.

Abstract: Embodiments of the invention are directed to allocating mobile-terminal electronic-service-guide (ESG) memory for use in storing a dynamically adjustable ESG, determining a composition of a dynamically adjustable ESG that can be stored in the allocated mobile-terminal ESG memory, and determining whether ESG fragments are deleted from the dynamically adjustable ESG to reduce the size of the dynamically adjustable ESG. The size of the allocated ESG memory may be determined based on an amount of memory dynamically available in a mobile terminal and/or by checking statistics of previously stored and/or received ESG data. A time-filter value may be determined for use in determining whether particular ESG fragments should be stored in the dynamically adjustable ESG. The time-filter value may be determined based on a number of channels (or services) for which ESG fragments will be stored in the dynamically adjustable ESG and/or based on whether an ESG-memory-usage threshold has been exceeded.

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: An on-screen display system is located externally a KVM switch. The on-screen display system includes a first end, an on-screen display circuit, a switch circuit and a second end. The first end receives a video signal from a computer. The on-screen display circuit generates an on-screen display menu signal. The switch circuit receives the video signal from the computer and the on-screen display menu signal from the on-screen display circuit. The on-screen display system combines the video signal and the on-screen display menu signal, or overlaps the on-screen display menu signal on the video signal to be displayed on the display according to a control signal.

Abstract: A cable system, and a method for configuring a path of a cable system, wherein the group delay caused by one or more amplifiers having diplex filter networks is substantially equalized over all frequencies within a predetermined band by the use of one or more all-pass delay equalizers. A method of configuring a path includes steps of determining a delay versus frequency characteristic of the path within the predetermined frequency band, and providing from one to a plurality of all-pass delay equalizers in the path, wherein a collective delay versus frequency characteristic of the all-pass delay equalizer(s) within a predetermined frequency band is a mirror image of that caused by the amplifier(s), such that all frequencies within the predetermined frequency band are delayed by substantially the same amount and hence all frequency components of a signal arrive at a receiver at substantially the same time.

Abstract: Video data from an upload client is received at a hosting node. A request from a download client is received at a bootstrapping node to receive the video data. The download client to receive the video data directly from the hosting node when the hosting node is below a threshold, wherein the threshold is based at least in part on the maximum number of download clients the hosting node can stream to simultaneously. The download client to receive the video data from peers in a peer-to-peer overlay when the hosting node above the threshold.

Abstract: A system for distributing television signals comprises a first terminal which receives a coaxial cable, at least one second terminal which receives a twisted pair of conductors, and an amplifier system comprising a unit for selecting either a first slope or a second slope of increasing gain as a function of frequency between a signal present at the first terminal and a signal present at the second terminal. A method of distributing television signals includes a step of obtaining a system of the above kind, a step of determining a threshold for the length of the pair, and a step of selecting the first slope when the twisted pair has a length less than the threshold and the second slope when the twisted pair has a length greater than the threshold.

Abstract: A power over Ethernet controller comprising: control circuitry; at least one temperature sensor operatively connected to the control circuitry; and a plurality of electronically controlled switches responsive to the control circuit, each of the electronically controlled switches enabling power to a respective port and having associated therewith inrush current limiting functionality, the control circuit being operative to input at least one temperature indication from the at least one temperature sensor; operate at least one of the plurality of electronically controlled switches thereby enabling power to a first port; and delay a time period dependent on the at least one temperature indication, whereby operation of a second of the plurality of electronically controlled switches to enable power to a second port is permitted only after the delayed time period.

Abstract: An Intelligent Network Peripheral (INP) is equipped with a recording control processor that is connected to at least one internal or external recording device (e.g., hard drive, disk array, CD-recorder, DVD recorder, and/or tape device). Using the INP, a user may be prompted to perform an activity, such as (1) start a new recording session, (2) playback a recorded session, (3) delete a recorded session, (4) edit recording parameters (e.g., the number of stored frames, the length of a session to record, the resolution of the image to record), and (5) re-run a recorded session. An INP may be incorporated into a Keyboard/Video/Mouse (KVM) switch, a Rack Connection Manager (RCM) and/or a Pod Extension Module (PEM) for recording at least one of video from and user input to a computer for diagnostic and other purposes.

Abstract: A two-way CATV system is easy of maintenance, stable of a transmission quality and capable of restraining inter-modulation distortion noises of downstream RF signal carriers which are caused by non-linearity of electric contact members of coaxial connectors among upstream ingress noises becoming a problem when performing communications services by utilizing a CATV transmission path. The two-way CATV system comprises at least one bidirectional amplifier provided on a CATV transmission path for connecting a CATV center station to a subscriber home, a bias voltage superposing element for superposing, with a bias voltage, a downstream signal transmitted along a coaxial transmission path subordinate to an amplifier at the terminal among the bidirectional amplifiers, and a bias current adjusting load element, provided at the end of the coaxial transmission path, for setting the bias current corresponding to an application of the bias voltage superposed by the bias voltage superposing element.

Abstract: General electronic program information described on a general level and individual electronic program information described on an individual level are prepared according to electronic program information of a channel service of a broadcast service provider for each channel service according to electronic program information degree of detail setting information. The electronic program information degree of detail setting information indicates a degree of detail for the contents of the individual electronic program information described on an individual level and a degree of detail for contents of the general electronic program information described on a general level. The general level corresponds to a low degree of detail, and the individual level corresponds to a high degree of detail.

Abstract: In a cable television converter terminal, NICAM signal passthrough is achieved using an alignment-free passthrough circuit including a NICAM SAW filter. The alignment-free passthrough circuit directly taps the output of the converter terminal's tuner to obtain the NICAM signal. As a result, the NICAM signal is not distorted by the components involved in obtaining the other signal components of the cable television signal. Consequently, sound quality is improved and rendered less vulnerable to degradation due to component aging, temperature fluctuations, and human error. The passthrough circuit can be implemented as a removable circuit module.

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: A method for decoding digital video data in a power scalable manner is provided. The method initiates with monitoring a power level available for the video decoding system. Then, threshold power levels are identified. In response to the power level available crossing one of the threshold power levels, the method includes changing both a power consumption level associated with the video decoding system and a video presentation quality. A method for determining optimum pairings of power consumption and video quality for a video decoding system is also provided. In addition, a power scalable video device, an integrated circuit chip for a video decoding system and a graphical user interface are provided.

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: A cable television receiver includes in-band and out-of-band tuners integrated on a single IC. A mode controller determines whether an out-of-band signal is being received and powers the out-of-band tuner off when no out-of-band signal is present. A signal divider divides the signals between the in-band and out-of-band tuners and may be an asymmetric coupler in order to provide a higher power signal to the in-band tuner and a lower power signal to the out-of-band tuner.

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: An efficient means for transmitting digitized return path signals over a cable television return path is disclosed. In one embodiment of the invention, the cable television return path includes a node that receives an analog return signal from a subtree of the cable television system and generates a digital transport signal representative of the analog return path signal. The digital transport signal, however, is not a digitized form of the analog return signal. Rather, the digital transport signal is encoded such that fewer bits are used to represent the analog return signal without substantially impacting the accuracy and dynamic range of the signal. At the hub, the digital transport signal is decoded and converted to produce an analog signal that is a close approximation of the analog return signal.

Abstract: A system for connecting a controlling station (10) to a viewing station (13) in accordance with CAT 5/6 protocol comprises a single conductor (30) which carries audio and video signals.

Abstract: A cable television tap (500) for receiving a forward signal including an information signal and a power signal. The tap (500) includes a diplex filter (520) for receiving the forward signal and for separating the information signal from the power signal at outputs of the diplex filter (520) and a plurality of subscriber ports (535) coupled to an output of the diplex filter (520) for receiving the information signal such that the information signal can be accessed at each of the plurality of subscriber ports (535). The tap (500) also includes a removable port device (555) coupled to the other output of the diplex filter (520) for receiving the power signal, and the port device (555) has a connector (550) so that the power signal can be accessed. According to the present invention, when the port device (555) is coupled to the tap (500), the information signal can only be accessed at the subscriber ports (535), and the power signal can only be accessed at the connector (550) of the port device (555).