Abstract: According to one embodiment, a display apparatus includes a display panel, a first light source, a first light guide module, a second light guide module, and a first illuminating module. The first light source is facing the display panel, and is configured to emit light toward a direction of the display panel. The light emitted from the first light source enters the first light guide module. The first light guide module is configured to output the light to a predetermined direction. The second light guide module is facing a first area on the display panel, and is configured to guide the light outputted from the first light guide module to illuminate the first area. The first illuminating module is configured to illuminate a second area on the display panel. The second area is different from the first area.

Abstract: In a broadcast viewing system including a television receiver A and a recording/reproducing device B, the television receiver A and the recording/reproducing device B are connected by an HDMI cable. By using a remote control device C on the recording/reproducing device B side, a setting data required for viewing a broadcast is requested by using a control signal from the recording/reproducing device B side, and subsequently, the television receiver A replies with the setting data required for viewing a broadcast to the recording/reproducing device B by a control signal by using data required for viewing a broadcast set in the television receiver A side in advance through the HDMI cable. This simplifies the operation of setting for viewing a television program.

Abstract: An information processing apparatus including an interface that receives a wireless signal, a power supply that converts an input direct current (DC) power supply into a predetermined voltage by switching the input DC power supply at a switching frequency to generate a driving power supply, and a controller that controls the switching frequency based on a condition of the interface.

Abstract: Disclosed are a digital broadcast reception device, a digital broadcast reception method and a program that shorten the period during which display is not possible that occurs when channels are switched.

Abstract: A television band device has DTV pilot signal detection logic that generates DTV pilot signal detection decisions associated with a monitored television channel. A wireless microphone detection logic generates wireless microphone detection decisions associated with the monitored television channel. A sensing manager receives DTV pilot signal detection decisions and the wireless microphone detection decisions and analyzes at least one the respective decisions to determine whether the monitored television channel is available white space.

Abstract: A tuner includes, in part, one or mixers, one or more filters, one or more variable gain stages, one or more analog to digital converters, and a baseband processor. Each filter is responsive to an associated mixer's output signal. Each variable gain stage is responsive to an associated filter's output. Each analog-to-digital converter is adapted to convert the output signal of an associated variable gain stage to a digital signal. The baseband processor is responsive to the digital signal supplied by the analog-to-digital converter(s). The baseband processor is further configured to supply a signal to be demodulated by a processing unit external to the integrated circuit. The baseband processor performs no or a fraction of the required demodulation functions. The processing unit may be a central processing unit or a graphical processing unit.

Abstract: An apparatus for a television includes a first storage area to store a plurality of messages, a second storage area to store set-up information for messages, and a processor to perform control functions. The control functions include generating a message based on at least one command signal received through an interface and to control output of the generated message based on the set-up information stored in the second storage area. The content of the message is controlled based on the at least one command signal, and the set-up information provides a condition for outputting the message.

Abstract: A method for switching channels in an electronic device is provided. In the method, a user may press a key to control the electronic device to mark a target channel. When the electronic device has switched channels several times, the user may press another key only once to return to the marked target channel. Furthermore, the user may set an automatic mark time to control the electronic device to automatically mark a target channel if the target channel is displayed for the automatic mark time or the user has watched the target channel for the automatic mark time. When the electronic device has switched channels several times and each switched channel is not displayed for the automatic mark time, the user may press a key only once to return to the marked target channel.

Abstract: While a user is viewing a video content, a channel zapping operation prediction section (203) predicts a channel zapping operation that will be conducted next by the user based on a history of channel zapping operations by the user. A viewing target prediction section (205) refers to a contents map that is retained by a contents map retain section (204) and that describes contents in a sequential order in which the contents are switched based on a user operation information (121), and predicts a content that will be viewed next by the user from the channel zapping operation predicted by the channel zapping operation prediction section (203). A read-ahead execution section (206) conducts a read-ahead on the predicted content.

Abstract: The invention relates to a filter device particularly for receiving television signals, which receives input signals and generates output signals, wherein the filter device forms a Nyquist slope by means of a passive polyphase filter (10).

Abstract: A system and method are disclosed for receiving a group of video channels at a client device, selecting a display set from the group of channels, and sending a communication to a display for displaying each channel in the display set in parallel wherein each one of the channels in the display set is displayed in one of a plurality of picture in picture (PIP) displays for a predetermined time.

Abstract: A radio frequency front end for a television band receiver and spectrum sensor includes a first plurality of adaptive matching networks connected to a signal summer that combines signals received by the first plurality of antennas respectively connected to the first plurality of adaptive matching networks and outputs a combined signal to each of a second plurality of downconverter/tuners. The downconverter/tuners are respectively or collectively connected to an analog to digital converter that converts output of the second plurality of downconverter/tuners into at least one digital signal that is output to the television band receiver and spectrum sensor.

Abstract: According to one embodiment, a television receiver includes: a tuner; a display device; an input module; a housing; a component; a sensor; and an actuator. The input module receives input. The housing includes an opening, and houses the display device and the tuner. The component is removably housed in the opening with at least a portion thereof being exposed to outside of the housing. The sensor outputs a signal based on external force applied to the housing. The actuator restrains the component from coming out from the opening, in response to an output of the signal from the sensor.

Abstract: Devices and methods for receiving, processing and formatting digital video. The devices may include a single semiconductor chip on which is imprinted a radio frequency signal tuner module and a display interface module. The display interface module may be configured to receive programming information from the radio frequency signal tuner module. The display interface module may be configured to communicate the programming information to a digital video recorder. The radio frequency tuner module may include a first radio frequency input channel and a second radio frequency input channel. The radio frequency signal tuner module may include a system oscillator and a phase-locked loop (“PLL”) circuit configured to generate a clock signal. The phase-locked loop circuit may be configured to transmit the signal to the display interface module and to any other suitable modules on the chip.

Abstract: Systems and methods which place a spurious signal within a capture bandwidth of a tuner. Placement of the spur is preferably controlled to dispose the spur within a spur placement window, such as may be defined between traffic channels of an input signal. A tuner system operating in accordance with embodiments may be controlled to select a particular input frequency band comprising a plurality of traffic channels for frequency conversion and to determine local oscillator frequencies which result in most relevant spurs being placed outside of the tuner capture bandwidth. The local oscillator frequencies may be shifted to place a relevant spur remaining within the capture bandwidth of the tuner between traffic channels of the plurality of traffic channels. Embodiments operate to determine frequency offset between a transmitter and a tuner to determine the midpoint between channels.

Abstract: A broadcast signal processing apparatus and channel tuning method are provided. The method comprises a host including Open Cable Application Platform (OCAP) middleware for communication with an application program provided from a broadcasting station, and a memory for storing programs and data.

Abstract: A digital TV tuner is included in an audio or video device that typically does not have a TV tuner or is expected to have a TV tuner. Such provisioning affords a user free access to broadcast (e.g., NBC, CBS, ABC, Fox, PBS, etc.) channels that may otherwise be provided by another third party via paid subscription or other service level as part of a package, thus allowing consumers the choice of bypassing their cable or satellite or other video content service provider by providing access to readily available broadcast video content services. Devices in which the digital TV tuner include but are not limited to Blu-ray players; streaming media players; audio receivers; soundbars; multi-room audio speakers or source devices; cameras; camcorders; personal audio players; and portable DVD or Blu-ray players.

Abstract: Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals broadcast according to a variety of analog and digital broadcast standards. An overmodulation handling mode is used that modifies operation when locking onto a picture carrier signal frequency in the presence of overmodulation.

Abstract: A method and apparatus for automatic compensation of insertion loss in video signals transmitted over conductors is presented. The present invention is particularly applicable to the transmission of video over long lengths of CAT-5 or similar twisted-pair cables. A reference signal having a known form and strength (e.g. a pulse signal) is provided to each pair of conductors carrying a component of a video signal from a transmitter to a receiver. The receiver includes adjustable gain amplifiers for each conductor pair over which a component of the video signal is transmitted. The gains of the amplifiers are initially set at an initial level (e.g., their maximum gain) to allow detection of the reference signal. Once the reference signal is detected in a conductor pair, the amplifier gains are adjusted such that the level of the reference signal is restored approximately to its original form and strength.

Abstract: The present invention provides a television receiver capable of automatically identifying the kind of a tuner and controlling the tuner in accordance with the kind. In a television receiver having a tuner for receiving a television broadcast signal and a module for detecting an intermediate frequency signal output from the tuner while controlling the tuner and outputting a video signal and an audio signal, the tuner is provided with a circuit for changing predetermined output information which is output from the tuner in accordance with the kind of the tuner, and information indicative of correspondence relation between the predetermined output information and the kind of the tuner is stored in a memory. By collating the predetermined output information output from the tuner with the information stored in the memory at the power on, the kind of the tuner is identified and, according to the kind, the module is allowed to control the tuner.

Abstract: An image display apparatus is provided for performing image display by dividing one frame period into a plurality of sub-frame periods, determining a gradation level of each of the sub-frame periods in accordance with a gradation level of an input image signal and supplying the determined gradation level to an image display section. The image display apparatus comprises a display control section, wherein the display control section supplies a relatively largest gradation level in a relatively central sub-frame period which is at a time-wise center or closest to the time-wise center of one frame period, and supplies a sequentially lowered gradation level in a sub-frame period which is sequentially farther from the relatively central sub-frame period.

Abstract: A display apparatus includes a display; a receiver which receives a broadcasting signal including a program with a data format; an image processing part which processes the received program according to an available data format; and a controller which controls the image processing part to display a message informing that both data formats are not matched on the display if the data format of the received program is not matched with the available data format to be processed by the image processing part.

Abstract: The present invention relates to a transmitting apparatus and method and a receiving apparatus and method that allow obtaining of all of the tuning information of a multi-segment broadcasting. A signal converter 43 generates an NIT of the center segment of a One-Seg rebroadcasting including tuning information that is information on tuning to the center segment of the One-Seg rebroadcasting and multi-segment information indicating that the center segment is a segment of the multi-segment broadcasting. A multi-segment transmitter 44 transmits an NIT of the center segment of the One-Seg rebroadcasting in the center segment. The invention is applicable to, for example, a broadcasting station that transmits a multi-segment broadcasting in a terrestrial digital broadcasting wave.

Abstract: An active matrix substrate of the present invention includes: data signal lines; scanning signal lines (GLi); transistors connected with the data signal lines and the scanning signal lines (GLi); and retention capacitor lines (CSLi). One pixel region includes a plurality of pixel electrodes. A CS driver (46) for outputting a retention capacitor line signal to drive the retention capacitor lines is formed monolithically. In one pixel region, a pixel electrode and a retention capacitor line corresponding to the pixel electrode forms a retention capacitor therebetween. This allows the liquid crystal display device based on a pixel-division system to have a liquid crystal panel with a narrower frame.

Abstract: Disclosed are a side light-type backlight device with high brightness and excellent light use efficiency, a liquid crystal display device and a television receiver. The disclosed backlight device has a light guide plate that emits, from the top surface, light that entered from the side surface thereof, a substrate that is disposed at the side surface of the light guide plate and that has a plurality of LEDs emitting light from the top aligned thereon, and an outer case enclosing the light guide plate and the substrate. Of the plurality of LEDs, the end LEDs are provided with inclined sections such that the illumination direction of said end LEDs intersect with that of the other LEDs.

Abstract: To reduce latency during channel change, when a user changes the TV channel on a mobile TV device such as a wireless phone, the device leaves the power save mode and enters, for a limited timeout period, a fully energized mode in which the receiver and front end logic of the device remain energized during periods in which content from the old channel, content from the new channel, and content from a “next” channel are interleaved into the broadcast.

Abstract: Provided is a liquid crystal display device including: pixels that are provided in a row direction and a column direction in which data signal lines extend, the pixels each including a plurality of pixel electrodes, in a pixel, in an nth frame, a pixel electrode being electrically connected to a data signal line, and in the frame, the plurality of pixel electrodes being electrically connected to each other and being electrically disconnected from the data signal line. This allows an improvement in viewing angle characteristic of a liquid crystal display device.

Abstract: This invention discloses an automatically signal-tuning system for using in video signal transmission. The system can use the auto-tuning function in video transmission circuit to make the system automatically detect the extents of frequency loss and delay affected by a transmitting cable and to adjust the received signal to approximate to the original transmitted signal once system reboot and/or transmitting cable hot-plugging. The compensation for the signal frequency loss and the signal delay is by comparing and analyzing the attenuation and the delay values to provide the video signal on the transmitting cable to be automatically adjusted to the optimized response value.

Abstract: An interface circuit configured to connect between (a) a broadcast receiver tuner and associated circuitry for the receiving and processing of broadcast radio frequency signals, and (b) a general purpose computer device programmed with software demodulation code configured to engage a general purpose processor in signal demodulation functions, the interface circuit comprising: a data interface comprising a packetisation buffer connected to receive (i) digital signal sample data from a signal path of the tuner and associated circuitry and (ii) indications of control settings which are applied to one or more configurable components during taking of the sample data, said packetisation buffer being operable to construct packets comprising blocks of sample data and header information carrying said control settings indications; a control interface configured to receive control instructions from tuner control code running on the general purpose computer device; and a microcontroller operable to receive the control i

Abstract: Non-harmonically related carriers may be provided for signals entering a harmonically related carrier (HRC) network. A modified carrier frequency may be assigned for any and/or all harmonics of a reference frequency. The modified carrier frequency may be computed by determining a nearest multiple of an index frequency value to the nominal harmonic frequency. The modified carrier frequency may then be used to carry video signals into the HRC network.

Abstract: A TV tuner includes an Ultra High Frequency (UHF)/Very High Frequency (VHF) tracking filter, an UHF/VHF matching circuit and a single conversion Tuner IC. The UHF/VHF tracking filter includes a first Low-Temperature Co-fired Ceramics (LTCC) inductor, a first varactor diode and a fine-tune capacitor electrically connected to determine the maximum gain frequency of the UHF/VHF tracking filter. The UHF/VHF matching circuit includes a second LTCC inductance, a second varactor diodes and a fine-tune capacitor electrically connected to determine the maximum gain frequency of the UHF/VHF matching circuit.

Abstract: According to one embodiment, an electronic apparatus includes an input module, a tuner, an amplifier and a preset module. The input module receives a television broadcast signal. The tuner selects a television broadcast signal of a target channel from television broadcast signals of channels receivable by way of the input module. The amplifier amplifies the television broadcast signal supplied to the tuner. The preset module determines whether each of the channels is receivable or unreceivable and to turn on or turn off of the amplifier, based on a first reception status information of the television broadcast signal of the reception channel acquired from the tuner in a state that the amplifier is on and a second reception status information of the television broadcast signal of the reception channel acquired from the tuner in a state that the amplifier is off.

Abstract: A media control system processes a numeric user input to identify a set of alphabetic letters. The media control system selects a plurality of media channel names based on the set of alphabetic letters. The media control system generates a first signal to drive a first display of the media channel names. The media control system processes additional user input to select one of the displayed media channel names. The media control system generates a second signal to drive a second display associated with a media channel identified by the selected one of the displayed media channel names.

Abstract: A liquid crystal display device which carries out a single tone display with a change in pixel luminance during a single cycle composed of first to mth frame periods (m is an integer of 4 or more), includes: pixels of a first type in which when a halftone is displayed, supply of two or more kinds of data voltage during at least either the first to nth frame periods (n is an integer of 2 or more to m or less) or the (n+1)th to mth frame periods causes liquid crystal layers to produce rise responses during the first to nth frame periods and produce decay responses during the (n+1)th to mth frame periods; and pixels of a second type in which when a halftone is displayed, supply of two or more kinds of data voltage during at least either the first to nth frame periods or the (n+1)th to mth frame periods causes liquid crystal layers to produce decay responses during the first to nth frame periods and produce rise responses during the (n+1)th to mth frame periods.

Abstract: A system and method for controlling a television antenna includes an amplifier circuit mounted with the television antenna. The amplifier circuit is connected to the television antenna and a control line. The control line is used for controlling the gain of the amplifier circuit.

Abstract: A television receiver cuts power supply to its built-in device which is overlapped with that of the external unit connected to the television receiver for reducing power consumption to cope with diversification of the external unit. The television receiver includes the tuner which receives a television broadcast signal, an external unit connection portion which connects the external unit with the HDMI cable, the HDMI process unit which acquires unit information data from the connected external unit to transmit video/audio data, and the power supply circuit which supplies power to the tuner. If the HDMI process unit determines that the connected external unit includes the same function as the tuner, the control unit allows the power supply circuit to stop power supply to the tuner.

Abstract: In certain embodiments, a method carried out in a digital television receiver device incapable of full two way communications, of receiving switched digital television programs involves storing a virtual channel table in the digital television receiver device, the virtual channel table having entries for each available channel and having a channel type indicator that identifies switched digital channels; receiving a command indicative of selection of a switched digital channel having the switched digital channel type indicator in the stored virtual channel table; sending a request from the television receiver device for the switched digital channel; responsive to the request, receiving a response that either grants the request or denies the request; and if the response grants the request, receiving an updated virtual channel table having updated table entries. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Abstract: A method of receiving and processing a Non-Real Time (NRT) service and a broadcast receiver are disclosed herein.

Abstract: An apparatus, a method and a system for correcting a phase imbalance are described. Embodiments may measure the phase imbalance inherent in a tuner and use the imbalance measure to correct the output of the tuner. Embodiments may include a tone generator to produce a single frequency tone and a tuner to receive the single frequency tone and output an intermediate frequency. The intermediate frequency may be corrected by a correction loop. Other embodiments are described and claimed.

Abstract: A tuner receives broadcast data on specified channels. A channel search unit controls the tuner to search for available channels, and creates a channel map representing the available channels and a selection order thereof. A channel order setting unit changes setting about enabling/disabling of the selection and/or the selection order of the channels in the channel map. An operation input unit accepts a channel selecting operation of a user. When the user performs an operation for channel forward selection or channel reverse selection through the operation input unit, a channel switching unit changes the selection of the channel according to the channel map and causes the tuner to receive the broadcast data on the selected channel.

Abstract: According to one embodiment, an electronic apparatus includes a housing and a module. The housing includes an opening portion. The module includes a first region colored in a first color and a second region exposed from the opening portion and colored in a second color which is different from the first color.

Abstract: At least two turbo decoding apparatuses are used in a receiver for concatenated convolutional coding transmissions imbedded in 8-VSB digital television signals. This permits turbo decoding procedures for the M/H Groups in any Parade consisting of eight or fewer M/H Groups to be interleaved so at least one M/H Slot interval after each of those M/H Groups has been received is available for decoding that M/H Group.

Abstract: In one embodiment of the present invention, a method for driving a display device that outputs an image based on an image source is disclosed. The method includes the steps of (i) carrying out a first gradation converting process with respect to a first gradation level of an inputted video source signal; (ii) carrying out a smoothing process with respect to the inputted video source signal that has been subjected to the first gradation converting process; and (iii) carrying out a second gradation converting process with respect to a second gradation level of the inputted video source signal that has been subjected to the smoothing process.

Abstract: A system and method for removing a portion of a system such as an external device from lower power mode includes a host device and an external device in communication with the host device. The external device is in a low power mode. The host device includes a controller generating a prediction signal in response to an input to an external device and commands the external device from low power mode in response to the prediction signal.

Abstract: While a user is viewing a video content, a channel zapping operation prediction section (203) predicts a channel zapping operation that will be conducted next by the user based on a history of channel zapping operations by the user. A viewing target prediction section (205) refers to a contents map that is retained by a contents map retain section (204) and that describes contents in a sequential order in which the contents are switched based on a user operation information (121), and predicts a content that will be viewed next by the user from the channel zapping operation predicted by the channel zapping operation prediction section (203). A read-ahead execution section (206) conducts a read-ahead on the predicted content.

Abstract: Disclosed is a broadcast receiver. The broadcast receiver comprises a signal receiver for tuning and outputting a Q channel of a digital broadcasting signal, a demodulator for demodulating a signal of the received channel and checking a lock state M or an unlock state of a gain control signal and a timing control signal of the channel, and a demodulation controller for controlling o an operation of the demodulator and detecting a lock state of the channel based on the lock state of the gain control signal and the timing control signal.

Abstract: The invention relates to methods for encoding and decoding media data (MD, CMD). One of the methods comprises the following steps: A request is transmitted by a subscriber terminal (1) over a control network (2) to a control server (3) to establish a set of encoding parameters (K) for control data. The request includes identification data (ID) of the subscriber terminal (1). The control server (3) thereupon specifies the set of encoding parameters (K) for control data, comprising a random number (R), a control data key (CK) and an integrity key (IK), wherein the control data key (CK) and the integrity key (IK) are dependent on the random number (R) and the identification data (ID). A media key (MK) dependent on the control data key (CK) and on the integrity key (IK) is then generated by the control server (3) and transmitted over a core network (4) to a media server (5). The media key (MK) is used to encode and decode the media data (MD, CMD) subsequently transmitted over a media network (6).

Abstract: Method and apparatus for scanning channels of a broadcast receiver are provided. The channel scanning method includes determining whether to perform an entire channel scanning operation or a partial channel scanning operation in response to a channel scan command, if the entire channel scanning operation is determined to be performed, performing the entire channel scanning operation by scanning all channels and storing channel information regarding a channel in which a broadcast signal exists in a channel map, and if the partial channel scanning operation is determined to be performed, performing the partial channel scanning operation by scanning a channel which is not registered in a pre-created channel map, and storing channel information regarding the non-registered channel in which a broadcast signals exists in the non-registered channel map.

Abstract: In accordance with various aspects of the disclosure, a method and apparatus for receiving multiple channels from a broadcast source and interfacing to multiple demodulators within a common silicon implementation is disclosed. A receiver apparatus is disclosed that may aggregate multiple channels output by multiple tuners into at least one composite signal. The at least one composite signal may be passed to a single ADC. The channels may then be extracted from the at least one composite signal in the digital domain prior to demodulation in separate demodulators.

Abstract: Provided are a tuning method according to a variable key input length and a broadcast receiving apparatus using the tuning method. The tuning method includes: if it is determined that an input length of one of at least one or more key inputs is more than or equal to a predetermined time, tuning to a first type broadcast; and if it is determined that the input length is less than the predetermined time, tuning to a second type broadcast different from the first type broadcast. Thus, different types of broadcasts can be tuned according to a length of a key input performed by a user. As a result, a digital broadcast channel can be directly input using only a number key.