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| Number | Title | Issue Date |
| 8189118 | Communication apparatus and control method 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 wit... | 05/29/2012 |
| 8169549 | Receiver 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 secon... | 05/01/2012 |
| 8159621 | Video and audio system capable of saving electric power 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 firs... | 04/17/2012 |
| 8125572 | System and method for automatic power-up and power-down of an output video circuit 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 ... | 02/28/2012 |
| 8120711 | Display system and method of controlling a display system 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... | 02/21/2012 |
| 8115875 | Image display device and method of controlling the same 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, t... | 02/14/2012 |
| 8089565 | Digital signal receiver and method for controlling the same 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... | 01/03/2012 |
| 8026982 | Method of controlling power supply of digital TV and digital TV therefor 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... | 09/27/2011 |
| 8023048 | Mobile TV system and method with fast channel change 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 log... | 09/20/2011 |
| 8004616 | Television receiver having a plurality of standby power modes 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 als... | 08/23/2011 |
| 8004617 | Stand-by mode transitioning 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 informati... | 08/23/2011 |
| 7995152 | TV including a data storage section 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 powe... | 08/09/2011 |
| 7929060 | Video receiver with reduced power mode An integrated circuit device having a television signal tuner, video decoder and power control circuit. The television signal tuner selects one of a plurality of television channels, and the video decoder converts a television signal conveyed in the selected televis... | 04/19/2011 |
| 7907219 | Digital TV and control method thereof for saving power consumption A digital TV including a receiving part for receiving a broadcasting signal and broadcasting information, a video processing module and an audio processing module for reproducing video and audio corresponding to the broadcasting signal, respectively, a power source ... | 03/15/2011 |
| 7884885 | Power control method used with TV module of portable electronic apparatus A power control method used with a TV module of a portable electronic apparatus is used for selectively entering the TV module in a power-saving mode. At first, the portable electronic apparatus is activated. When the portable electronic apparatus is activated, the ... | 02/08/2011 |
| 7787060 | Video apparatus and method of controlling the same A video apparatus having a display module and a method of controlling the same are provided, whereby an electric field strength or automatic gain control (AGC) signal is recognized from a received broadcast signal and a power supply mode of the display module is con... | 08/31/2010 |
| RE41482 | Method for controlling a power saving mode of a video display device with respect to a predetermined one of a plurality of applied signal sources A method for controlling a video display device having multiple signal sources, which comprises the steps of: detecting whether a synchronous signal is input to a microcomputer; detecting a signal source selection state if the synchronous signal is not input; conver... | 08/10/2010 |
| 7768579 | Video and audio system capable of saving electric power 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 firs... | 08/03/2010 |
| 7679688 | Wireless TV system and control method thereof A wireless TV system includes a base station including a wireless signal processor to process a predetermined video signal into a wireless signal, and a transmitter to transmit the wireless signal from the wireless signal processor; and a wireless TV comprising a re... | 03/16/2010 |
| 7595845 | Television switch module A television switch module for switching output lines of television high frequency signals, comprising: first and second input lines for respectively inputting television high frequency signals; first and second amplifiers for respectively amplifying input signals; ... | 09/29/2009 |
| 7586548 | Stand-by power supply shutdown at power on A stand-by power supply circuit is provided that controls power consumption and decreases electromagnetic interference during operation of a television. In one embodiment, the stand-by power supply circuit is connected to a switch that is connected to an AC line. Th... | 09/08/2009 |
| 7551237 | Television receiver having dual power circuits When the main power supply is turned off, the power supply of a video display unit is turned off and the audio signal is muted. At the same time, a time counting unit counts time, and before reaching a predetermined time, a display unit is lighted to notify a quick ... | 06/23/2009 |
| 7538826 | Tuner power dissipation reduction in a standby mode An apparatus such as a television signal processing apparatus provides a means to control power dissipation by high speed signal processing circuitry associated with tuners while continuing to receive auxiliary data such as administrative data, guide data, or emerge... | 05/26/2009 |
| 7466367 | Mobile TV system and method with fast channel change 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 log... | 12/16/2008 |
| 7456906 | Power status detection and processing of audio/video (A/V) devices in A/V networks Systems and methods are provided that facilitate detection and processing of A/V device power status in A/V networks. Preferably, a power detection system includes a current sensor coupled to the power cord of an A/V device, a current-to-voltage converter coupled to... | 11/25/2008 |
| 7443390 | Power supply device of video display apparatus and method thereof A power supply device of a video display apparatus and a method thereof is capable of improving operation reliability of a video display apparatus, preventing erratic operation of the video display apparatus caused by higher harmonics and preventing erratic operatio... | 10/28/2008 |
| 7436399 | Image display apparatus A projector (image display apparatus) having enhanced visual mute or A/V mute functions includes a light modulation element for displaying an image, a lamp for illuminating the light modulation element, and a fan for cooling the lamp; the image display apparatus fur... | 10/14/2008 |
| 7423698 | Amplifier for amplifying input signal such as video signal and outputting amplified signal An amplifier which amplifies an input signal, wherein an amplified signal which varies with a ground voltage as a center is obtained at an output of the amplifier using a positive power supply and a negative power supply. With this configuration, an amplified signal... | 09/09/2008 |
| 7411631 | Power management for processor-based appliances A processor-based system may be operated in an effectively “always on” condition. The system may transition from a lower power consumption state to a higher power consumption state in response to the first operation of a power button. In response to a second ope... | 08/12/2008 |
| RE40327 | Video signal processing circuit and computer system A video signal processing circuit, in which a horizontal synchronizing signal is separated from an input analog video signal by a synchronism separating circuit, whether a “H” period of the horizontal synchronizing signal continues for more than a prespecified p... | 05/20/2008 |
| 7369184 | Digital broadcast receiving apparatus In a digital broadcast receiving apparatus, when a power source operation input is done by a user during execution of a starting sequence, a control part stops the execution of the starting sequence and counts the number of operations for a preset time. When the num... | 05/06/2008 |
| 7362961 | Recording apparatus including plural storage means having standby modes A recording apparatus for recording input information via a memory and a head onto a disc rotated by a disc driver, including a mode switch which successively provides a first mode direction for waiting for the recording and a second mode direction for performing th... | 04/22/2008 |
| 7327959 | Camera-mountable fiber optic transceiver system A system includes a multiplexing transceiver which is adapted to mount directly between a video camera and a camera battery pack, eliminating the need for triaxial adapters or other electrical cables at the camera and video production facility. A fiber optic cable c... | 02/05/2008 |
| 7328357 | Electronic apparatus with switching power supply controlled to stop main circuit voltage and reduce microcomputer voltage during standby mode In a configuration in which supply of a first operating power source to a main circuit part is stopped at the time of shifting to a standby mode, at the time of shifting to the standby mode, a voltage of a second operating power source is lowered to a voltage which ... | 02/05/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7317495 | Mobile telephone and image receiving device with reduced power consumption In a portable receiving device 1 operable with a battery 18 as power supply and capable of receiving the TV broadcast outdoors, a CPU 13 detects the receiving level of the TV receiving unit 12 at timings set in the timer 24, compar... | 01/08/2008 |
| 7292463 | DC-AC converter and controller IC therefor A semiconductor switch circuit is connected to a primary winding of a transformer having a secondary winding connected to a load. The semiconductor switch circuit has switches controlled by PWM to provide a controlled constant current. In the inventive inverter, con... | 11/06/2007 |
| 7289166 | Information processing apparatus and method of displaying remaining battery capacity of the information processing apparatus An information processing apparatus has a battery portion which supplies power, a remaining capacity detecting portion which detects a remaining capacity of the battery portion, a remaining time computing portion which computes a remaining time during which processi... | 10/30/2007 |
| 7289780 | Band switchable type tuning circuit of television signal A band switchable type tuning circuit has first switch means interposed between a power supply Vcc and an anode of a switch diode, a first resistor whose one end is connected to a cathode of the switch diode, second switch means interposed between the other end of t... | 10/30/2007 |
| 7286124 | Circuit arrangement for the AC power supply of a plasma display panel A circuit arrangement for commutating the AC voltage of a plasma display panel, in which the losses and electro-magnetic interference which occur as a result of the influence of parasitic resistances (coils, supply lines, semiconductor switches) and the attendant ha... | 10/23/2007 |
