Abstract: A system that incorporates teachings of the present disclosure may include, for example, a presentation device having a controller that performs operations including enabling a supply of power to a portable battery operated device from a presentation port where the presentation port is a high definition multimedia interface port by trickle charging a rechargeable battery of the portable battery operated device through the presentation port, and receiving from the portable battery operated device an audio-visual signal for presentation at the presentation device through the presentation port. Other embodiments are disclosed.

Abstract: A DC/DC converter 10 has a high-side transistor QH as a switching element and a low-side transistor QL as a synchronous rectifier element. A first primary electrode D and secondary primary electrode S of the high-side transistor QH are connected to an input voltage VIN and an external terminal T1, respectively. A detection transistor QD is provided in a row with the high-side transistor QH, and the ON voltage of the high-side transistor QH when ON is output as detection voltage VQD from the detection transistor QD. The output detection voltage VQD is added to a feedback voltage VFB1 by an adder CB, and inputted to a comparator CMP1. The ON period of a one-shot pulse PS1 outputted from the comparator CMP1 is regulated so as to be in direct proportion to the sum of the detection voltage VQD and the feedback voltage VFB1.

Abstract: A portable navigation device with a TV function includes a TV module, a navigation module, a display module, a sound module, a first processing unit, a second processing unit and a TV command storage module. The TV module generates baseband TV signals, the navigation module generates position information, the display module displays image information, the sound module plays sounds, the first processing unit performs navigation programs, the second processing unit performs TV programs, and the TV command storage module stores TV commands from the first processing unit and the second processing unit. TV command transmission between the first processing unit and the second processing unit is achieved by sending interrupt signals or reset signals.

Abstract: There is provided a receiving apparatus. The receiving apparatus comprises, among other things, a transmitting unit that transmits a power-on command that instructs the transmitting apparatus detected by the detecting unit to turn on power when there is no connecting unit whose status signal has been changed from “unable” to “able” as a result of the determination made by the determining unit, the transmitting unit causing the determining unit to perform the determination again after transmitting the power-on command, and a control unit that, when there is a connecting unit whose status signal has been changed from “unable” to “able” as a result of the determination made by the determining unit, controls the selecting unit so as to select the connecting unit.

Abstract: An energy-saving control device for remote image receiver is disclosed. The control device is electrically connected to an image receiver, and includes a detection module, a control module, and a power control module. The detection module detects a differential signal transmission state at the remote image receiver, and generates a detection signal to the control module accordingly. The control module generates a control signal according to the detection signal, so as to control the power control module to control on/off of power supply to the image receiver. With these arrangements, it is able to control the image receiver to automatically turn off when the differential signal transmission stops, so as to achieve the effects of energy saving and extended service life of the image receiver.

Abstract: User occupancy is monitored within a space in which a video display of a content rendering system is viewable. The user occupancy can be monitored based on physical user attributes. At least one of audio rendering and video rendering by the content rendering system is adjusted based on the monitored user occupancy.

Abstract: A dual mode projection display apparatus for portable electronic device comprises: a projection device, a built-in screen, an input device and a wired or wireless connector to said portable electronic device. It has dual operation mode: in the first mode, it produces an image onto the built-in screen; in the second mode, it produces an image onto any external surface with substantially high reflectance/scattering. When connected with a smartphone, the apparatus provides a big screen and convenience input method for the user. The invention increases the functionality and utility of a smartphone.

Abstract: A display device includes power management by including a first input suitable to receive electrical power from an outlet for providing power for the operation of the display device. The display device includes a second input, separate from the first input, suitable to receive electrical power from an external battery source for providing power for the operation of the display device. The display device includes an internal battery source enclosed within the display device suitable for providing power for the operation of the display device. A source select is enclosed within the display device that selects power from at least one of the first input, the second input, and the internal battery for providing power for the operation of the display device. A processor receives video content from a video source and selectively modifies a backlight of the display device based upon the power source selected by the source select in such a manner as to reduce the power consumption of the display device.

Abstract: A child's sleep assistant device is provided for assisting a child with falling asleep by playing calming images and soothing sounds. The device comprises a main body, a projection assembly, an audio assembly, a translucent dome and a power source. The projection assembly, audio assembly and power source are housed within the main body, which is covered by the translucent dome. Animated scenes are projected by a digital projector onto the wall or ceiling of a child's bedroom. Corresponding audio may be played that corresponds to the animated scenes, or soothing music or bedtime stories. The scenes may be changeable and their size and intensity modified by a parent or caregiver.

Abstract: This receiver includes a control portion detecting whether or not an antenna is connected and whether or not the connected antenna is an active antenna and a power supply portion supplying power to the antenna, while the control portion controls the power supply portion to supply power to the antenna when detecting that the connected antenna is an active antenna and controls the power supply portion not to supply power to the antenna when at least detecting that the antenna is not connected.

Abstract: A method for transitioning a video system is disclosed. The method generally includes a first step for (A) executing in a processing circuit a standby code stored in a nonvolatile memory while the video system is in an off state, the off state defining a low power configuration for the processing circuit and a power off condition for the video system, the standby code being responsive to a plurality of wake up conditions to wake up the video system. In a second step, the method may (B) store an application code in a volatile memory while in the off state, the application code configured to operate the video system while in an on state of the video system. The method generally includes a third step for (C) transitioning from the off state to the on state upon detection of at least one of the wake up conditions. A step for (D) executing in the processing circuit the application code while in the on state to decode video may also exist in the method.

Abstract: According to one embodiment, there is provided a video display apparatus, including: a video display unit configured to display a video by receiving a video signal output from a source apparatus; a status information acquisition module configured to acquire, from the source apparatus, status information indicating whether the source apparatus is active or inactive; and a power controller configured to perform a control of powering off the video display apparatus if the acquired status information indicates that the source apparatus is inactive.

Abstract: A communication apparatus includes a display unit, a communication unit, and a control unit. The display unit displays video data. The communication unit communicates with an external apparatus. The control unit controls the communication apparatus in accordance with a command received by the communication unit. If the display unit is in a mute state and the communication unit is sending the external apparatus the data for placing the external apparatus in a mute state, the control unit determines not to control the communication apparatus in accordance with the command.

Abstract: A signal processing apparatus and a control method thereof are provided. The signal processing apparatus includes a signal processor which processes a video signal and/or an audio signal; a power supply which generates a power signal; a first connector configured to be connected with an external second connector; and a control circuit which outputs the video signal and/or audio signal and the power signal if the external second connector is connected to the first connector, and performs a shutoff operation to not output the power signal if the first connector is not connected to the external second connector.

Abstract: Disclosed are methods, circuits, devices systems for wireless communication of video information. According to some embodiments, an energy level of one or a group of transmit video block(s) to be transmitted as part of a wireless transmission frame may be adjusted so at to maintain a substantially constant transmission power (e.g.

Abstract: The present invention provides a method and apparatus of controlling an operational status of an electronic device which receives data through a HDMI port. The present invention determines whether to wake up the electronic device from the power saving mode according to counting numbers generated based on the transitions of signals within a time period.

Abstract: This receiver includes a receiver body having an antenna connection portion connected with an antenna, a control portion controlling the receiver body, a first internal power source provided on the receiver body for supplying power to the control portion and a second internal power source provided on the receiver body to be electrically insulated from the first internal power source for supplying power to the antenna.

Abstract: A multifunctional display apparatus is provided by including a tuner, a network interface, a display, a power supply, a wireless input interface, a storage device, and a controller. The controller may determine whether software stored in the storage device is to be updated. The controller may provide the display apparatus in an update mode in response to the display apparatus receiving a turn-off request and the controller determines that the software is to be updated. In the update mode, the display apparatus receives updated software and power to the display is OFF, and the controller provides the display apparatus in a turn-off mode after completing the update mode. In the turn-off mode, power to additional components of the display apparatus is OFF.

Abstract: A power supply of a video and audio system is coupled to a first switch and a second switch. A power management unit is coupled between the first switch and at least one electronic device. An integrated circuit includes a first circuit and a second circuit. The first circuit is coupled to the power management unit and the at least one electronic device for controlling the operation of the at least one electronic device. The second circuit is coupled to a battery, the first switch, the second switch, and the first circuit for controlling the first switch and the second switch.

Abstract: A wireless power television system includes a television electrically connected to a device magnetic resonator, wherein the device magnetic resonator is configured to wirelessly receive power when separated from a source magnetic resonator by more than 10 cm, and wherein the television is powered directly by power received wirelessly by the device magnetic resonator.

Abstract: This invention discloses a portable computer capable of performing a digital photo frame function under a main-power-off state. The portable computer includes a base, a display device, an image capturing device, an image capturing switch, and a processor. The display device includes a frame pivotally connected to the base. The image capturing device and the image capturing switch are disposed at the frame. The image capturing switch is operated to output a first request signal to the processor. In response to the first request signal, the processor drive the image capturing device to capture a first image under the main-power-off state, and the processor instantly displays the first image on the display device under the main-power-off state.

Abstract: Methods and apparatus enable ATSC-M/H mobile devices to conserve power by entering a high power state at a slot reception start time that is after the start of an ATSC M/H slot and entering a low power state at a slot reception stop time before the end of the ATSC M/H slot. Data lost due to the device being in a low power state during the time between the start time of the ATSC M/H slot and the activation time and during the time between the deactivation time and the end of the ATSC M/H slot are recovered using error correction processing. The slot receive and slot reception stop times may be based on the received signal quality. The receiver circuitry may also be deactivated when the entire payload has been received and skip reception of remaining slots.

Abstract: An electronic device operates a television located in a premises to simulate occupation of the premises, and thereby deter intrusion. The electronic device is caused to operate automatically, without any input from a user, and activates the television at different times according to a predetermined schedule not set by the user. During automatic operation, the television is caused not only to present television programming, but also to present visual and sound effects simulating human activity, whereby occupation of the premises is simulated.

Abstract: Disclosed are a liquid crystal display unit and a liquid crystal TV set, each of which has a sequence circuit 13 that includes first, second, and third voltage output units. The sequence circuit 13, upon the turning-on of the power to the liquid crystal display unit 11, supplies the first, second, and third output voltages to a liquid crystal display panel 11c in this order and stops supply of the third, second, and first output voltages in this order upon the turning-off of the power to the liquid crystal display unit 11. Consequently, the display screen is prevented from the noise that is otherwise generated on the screen.

Abstract: A removable video module for a backlit liquid crystal display (LCD) contained within a chassis and having a timing and control board (TCON) with a board edge connector and an access opening in the chassis. The module preferably having a video input connection and means for generating a Low Voltage Differential Signaling (LVDS) video. The video module also preferably has a board edge connector adapted to connect with the board edge connector on the TCON, where the video module is adapted to fit through the access opening to connect with the TCON. Other embodiments may utilize a backplane where the video module and a power module are adapted to connect with the backplane and electrically communicate with the rest of the display. Outputs for either the video signal, power supply, or both may be provided so that a plurality of displays may be daisy-chained together.

Abstract: A system and method for configuring a video circuit into a low power consumption mode and a high power consumption mode. The system comprises an input signal detection circuit adapted to generate a first signal indicative of whether an input video signal is present at the input of the video circuit; an output load detection circuit adapted to generate a second signal indicative of whether a load is connected to the output of the video circuit; and a control device adapted to generate a third signal to control the power consumption mode of the video circuit in response to the first and second signals. The method entails detecting whether an input video signal is present; detecting whether the load is present; and configuring the video circuit for high power consumption if both the input video signal and the load are present, otherwise configuring the video circuit for low power consumption.

Abstract: A display system and a method of controlling a display system are provided. The display system may include a receiving device to transmit a power control signal across a wireless communication link according to a power on/off command inputted from a user, to receive an audio/video (A/V) signal, to display the A/V signal, and to transmit an acknowledgment signal of the A/V signal. The display system may further include a transmitting device to turn on/off in response to a power control signal received from the receiving device, to transmit the A/V signal to the receiving device, and to control a power thereof according to whether the acknowledgement signal of the A/V signal has arrived.

Abstract: An image display device may have a display portion, a signal-processing portion, a power supply portion that supplies power to the display portion and the signal-processing portion, a user interface portion, and a control portion that controls the display portion, the signal-processing portion, and the power supply portion. An operation mode may include a waiting mode in which power supply to the display portion and the signal-processing portion stops, an image-display-waiting mode in which power is supplied to the signal-processing portion but power supply to the display portion stops, and an image display mode in which power is supplied to the display portion and the signal-processing portion. The control portion may switch the operation mode, based on the operation signal, from the waiting mode or the image-display-waiting mode to the image display mode or from the image display mode to the image-display-waiting mode.

Abstract: In response to an operation such as power-on or power-off, channel change and sound volume change, a television set combined with a personal computer automatically makes e-mail with information in a predetermined format indicative of the operation attached. The e-mail is automatically sent to another television set to inform the other television set of operation of the own television set. On the other hand, the e-mail can be sent to a rating company for audience share survey. The television set automatically reads the received e-mail and attachment to change the indication of display. The television set has storage of the received information for analysis of an abnormality. Abnormality can be also sensed through abnormal act on the remote controller apt to be taken by a person in panic or off the truck. The television set refuses information from unknown address for blocking an attack of a stranger.

Abstract: A digital signal receiver comprises a signal separating section (11), a clock signal generating section (12), a video data processing section (14), an audio data processing section (15), and a control section (17). The clock signal generating section (12) generates an operation clock signal (105) for the signal separating section (11), the video data processing section (14), and the audio data processing section (15). The control section (17) pauses the signal separating section (11), the video data processing section (14), and the audio data processing section (15) until receiving a clock stability signal (108) indicating that the operation clock signal (105) is stable, the clock stability signal (108) being generated by the clock signal generating section (12).

Abstract: A system and circuit for television power state control are disclosed. In one embodiment, a power management circuit is coupled to a television and interposed between a video feed and an image display engine as well as between an audio feed and a speaker. The power management circuit selectively alternates the television between three states: powered ON/operating state (first state); power standby state (second state); and no/low power state (third state). Utilized with a television in a commercial application, the system and circuit are employed to provide accelerated turn-on time to receive an image for user interaction, while providing sufficient control to maintain energy power savings.

Abstract: A remote control unit capable of bidirectionally communicating with a display apparatus, such as a television set. The remote control unit comprises a display unit adapted to display an image transmitted from the display apparatus, a detector unit adapted to detect a state of a power supply of the remote control unit, and a switching unit adapted to switch a display mode of the display unit from a moving image mode to a still image mode, according to the state of the power supply.

Abstract: The present invention relates to a control method of a broadcasting receiver and a broadcasting receiver adapting the control method. More specifically, the present invention relates to a control method of a broadcasting receiver capable of switching off a power key in a state of display means standing by and switching on the power key in case that a power-key-on is inputted, to improve user convenience.

Abstract: A receiving device includes a circuit board having mutually opposite first and second surfaces, the circuit board including a tuner mounted on the second surface to receive a digital broadcasting signal, a decoder IC mounted on the first surface to convert an intermediate frequency signal output from the tuner into analog video and audio signals, and a power supply circuit mounted on the first surface to supply a power source voltage to the decoder IC via a power supply path, and a plurality of capacitors mounted on the circuit board and connected in parallel to the power supply path. The plurality of capacitors include first-group capacitors mounted on the first surface and second-group capacitors mounted on the second surface in an area of the circuit board defined by an orthogonal projection of the decoder IC on the first surface onto the second surface.

Abstract: Provided are an electronic device and a method for controlling the same. The electronic device comprises a communication unit for receiving electricity service charge information and a controller for outputting a control signal to control output property to output predetermined contents based on the received electricity service charge information.

Abstract: An electronic device and a method of controlling the electronic device are provided. The electronic device includes a broadcast receiving unit that receives a broadcast content, a communication unit that receives power information associated with a mart grid, the power information including at least one of per-time slot electricity rate information and power demand information, and a controller that selectively performs one of an operation of outputting the broadcast content received through the broadcast receiving unit and an operation of storing the received broadcast content in an internal memory or an external memory considering the received power information.

Abstract: Display embodiments including arrangements wherein a waiting condition of a display apparatus includes a first waiting condition, and a second waiting condition being shorter in a starting time, from time when the operation is made for turning a power source ON until time when the image is displayed on a display portion, and smaller in a power consumption, comparing to those of the first waiting condition. A controller portion changes the waiting condition of the display apparatus into the second waiting condition, when a sensor detects the presence of a human being while under the first waiting condition, and changes the waiting condition of the display apparatus into the first waiting condition, when no operation is made for turning a power source ON, for a predetermined time period, after changing the waiting condition into the second waiting condition.

Abstract: A TMDS receiver includes a plurality of data channels, a clock channel, and an off-line mode detector. Each data channel receives a video signal and the clock channel receives a clock signal. Each data channel comprises a channel decoder for decoding the signals received by the corresponding receiving channel. The off-line mode detector detects an off-line mode detector, and then turns on a plurality of first data channels for a first predetermined period to determine an operation mode of video signal transmitted on said first data channels if the activity of the clock signal is valid. The off-line mode detector also activates a plurality of second data channels among the plurality of data channels according to the operation mode if the operation mode is determined as valid.

Abstract: A liquid crystal display device includes a backlight device and a liquid crystal panel that displays information using illumination light from the backlight device. The liquid crystal display device further includes a power consumption setting portion that sets the target power consumption as set power consumption, and a storage portion that previously stores the power consumption characteristics that indicate the relationship between a video signal and power consumption of the backlight device. The liquid crystal display device also includes a backlight control portion that performs drive control of the backlight device using the input video signal, the set power consumption set by the power consumption setting portion, and the power consumption characteristics stored in the storage portion.

Abstract: A television receiver apparatus in an embodiment includes: a video processing module configured to perform signal processing for input video signals and to output display video signals to a display panel; a selector configured to turn ON/OFF operation of low-delay processing that involves a short delay time of the display video signals with respect to the video signals as the signal processing; and a controller configured to control the video processing module to perform scaling processing conformable to the display panel when the operation of the low-delay processing is ON and when OFF according to the selector.

Abstract: A signal source which is detachably and electrically connected with a TV is disclosed. The TV has a video output unit and an audio output unit. Driven by the TV, the signal source exchanges a media signal with the TV. The signal source includes an audio input interface which receives an audio signal from an external audio input unit, and a media storage unit which is used for storing the media signal.

Abstract: A method of controlling a power supply of a digital TV with a function of executing applications is provided. According to the method, in a digital TV apparatus with the application executing function, a power supply of a general-purpose CPU platform which processes data required for executing an application and a power supply of a decoding unit which decodes digital broadcasting data and outputs the decoded data on a screen are controlled separately.

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: 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: A method of audio-visual communication using a television and a television using the same are provided, wherein the broadband network and television technologies are used to achieve services of audio-visual communication over a network, such that a user uses the television to conduct audio-visual communications.

Abstract: In one embodiment, there is provided a television apparatus. The television apparatus includes: a display configured to display video; an audio output module configured to output audio; a confirmation module configured to confirm the presence of a viewer; and a power controller configured to supply an electric power to at least the display and the audio output module. The power controller is configured to continue the electric power supplied to the audio output module while limiting the electric power supplied to the display at a first time point, and then is configured to limit the electric power supplied to the audio output module at a second time point after the first time point, if the confirmation module cannot confirm the presence of the viewer before the first time point.

Abstract: A television receiver having a security module fixing part for descrambling digital broadcast comprises at least a standby power mode for supplying power only to hardware, such as a remote control receiver (full standby), a standby power mode for supplying power also to a security module other than the hardware supplied with power in the full standby (partial standby), and a standby power mode for stopping supply of power only to a monitor at minimum (false standby) and has a standby power mode determination part for controlling presentation of images and electronic program guides to a user at startup.

Abstract: A device for rapidly instituting an active mode of a digital-television enabled system, the system including a first, volatile memory configured to load and store software instructions, includes: an input configured to receive first digital audio and video information; a first output configured to convey second audio and information toward a display regarding the first audio and video information; at least one second output configured to convey commands to, and receive information from, the first memory; and a processor configured to perform functions in accordance with software instructions stored in first and second memories and to cause the first memory to load software instructions for provision to the processor such that first instructions for processing at least one of the first audio information and the first video information are loaded and stored by the first memory with a higher priority than second instructions for performing other functionality.

Abstract: A TV including: an interface section connected to an external device including a power supply section and a data storage section; and a main body storage section which stores TV data, wherein the main body storage section is set to a readable state by supplying power from the power supply section through the interface section; and wherein the interface section outputs the TV data to the data storage section of the external device when the main body storage section is in the readable state.

Abstract: A power-saving circuit for a digital video display device includes a TMDS driving unit converting a TMDS data signal and a TMDS clock signal, a display driving unit driving a display unit based on the horizontal/vertical synchronous signals and the digital video signal input from the TMDS driving unit, a clock signal detecting unit outputting a first or a second level of a clock detecting signal depending on the TMDS clock signal, a controller outputting a first-level of a power-saving signal when the first level clock detecting signal is input, and outputting a second level of power-saving signal when the second level clock detecting signal is input, and a power supply unit supplying a voltage to respective components, and cutting off the supply of the voltage to respective components depending on the level of the power-saving signal or the clock detecting signal.