18th week of 2009 patent applcation highlights part 23 |
Patent application number | Title | Published |
20090109076 | MASH SIGMA DELTA MODULATOR - A Multi-stage noise shaping Sigma Delta Modulator (MSDM) and method of processing data using the MSDM are disclosed. The MSDM is capable of operating at high radio frequencies and is characterized by low power consumption, reduced latency and noise and occupies less area in an integrated circuit. | 2009-04-30 |
20090109077 | Digital-to-anolog converter circuit, data driver and display device - Disclosed is a digital-to-analog converter circuit having first to (2×h+1)th reference voltages (where h is a prescribed positive integer) grouped into the following groups: a first reference voltage group comprising h-number of (2×j−1)th (where j is a prescribed positive integer of 1 to h) reference voltages; a second reference voltage group comprising h-number of (2×j)th reference voltages; and a third reference voltage group comprising h-number of (2×j+1)th reference voltages. The digital-to-analog converter circuit includes: a first subdecoder for receiving the first reference voltage group and selecting a reference voltage Vrk based upon an input digital signal; a second subdecoder for receiving the second reference voltage group and selecting a reference voltage Vr(k+1) based upon the input digital signal; a third subdecoder for receiving the third reference voltage group and selecting a reference voltage Vr(k+2) based upon the input digital signal; a fourth subdecoder for receiving the reference voltages Vr, Vr(k+1), and Vr(k+2) that have been selected by respective one of the first to third subdecoders, selecting two of these reference voltages (inclusive of selecting the same voltage redundantly) based upon an input digital signal, and outputting the selected two reference voltages; and an amplifier circuit for receiving the two reference voltages that have been selected by the fourth subdecoder and outputting result of an operation applied to the two reference voltages. | 2009-04-30 |
20090109078 | Quantization Error Reduction in PWM Full-MASH Converters - Techniques for reducing quantization error in electronic components are described herein. | 2009-04-30 |
20090109079 | SUCCESSIVE APPROXIMATION ANAGLOG-TO-DIGITAL CONVERTER WITH INBUILT REDUNDANCY - The method and system for converting an analog value into a digital equivalent using a plurality of conversion engines are disclosed. In one embodiment the plurality of conversion engines comprise N DACs associated with M comparators, wherein M is substantially greater than N, wherein M and N are integers, wherein each of the N CAP DACs has an associated P CAP DAC and an N CAP DAC, a method includes generating voltage differences between P CAP DACs and N CAP DACs such that they produce M threshold voltages. The plurality of conversion engines operate in a first phase of the conversion by inputting the produced M threshold voltages to associated inputs of M comparators so that more than one bit can be determined from a sampled signal during each successive approximation trial. The plurality of conversion engines operate in a second phase of the conversion by inputting the produced M threshold voltages into the associated inputs of the M comparators such that the plurality of conversion engines operate independently so that fewer bits are determined from the sampled signal during each successive approximation trial then were determined during the first phase. A result obtained from at least one of the plurality of conversion engines is then outputted. | 2009-04-30 |
20090109080 | Remote control security supervisory control method - A remote control security supervisory control method adopted for use on a security supervisory control system which includes at least a sensor to detect risky conditions in a surveillance scope and a system host to execute a security supervisory control system procedure. The system includes a remote control device capable of performing remote control. The method of the invention includes steps of: sending a wake-up signal from the remote control device to the sensor; the sensor received the wake-up signal entering a setting mode from a sleeping mode in regular conditions to alter the system procedure; the remote control device sending a command signal to the system host through the sensor to alter the existing security supervisory control system procedure to redo setting of the system procedure; and the system host received the command signal feeding back a confirmation signal to the sensor to finish the alteration setting. | 2009-04-30 |
20090109081 | Positioning correction system and method for single and multi-channel ground penetrating radar - A mobile geophysical instrument produces geophysical data sets each associated with a position computed by use of a position sensor. A variable time delay results between a time when data for each geophysical data set is collected and a time when a position associated with each geophysical data set is recorded. A module receives distance transducer data and includes circuitry configured to generate a module signal based on trigger signals from the distance transducer and a calibration value. A data acquisition system (DAS) receives geophysical data sets from the geophysical instrument, positioning data from the positioning sensor, and the module signals. The DAS generates a DAS timestamp in response to each module signal and associates the DAS timestamp with each geophysical data set and a position associated with the geophysical data set, so as to substantially eliminate the variable time delay. | 2009-04-30 |
20090109082 | AUGMENTED PASSIVE TRACKING OF A MOVING EMITTER - In one embodiment, the disclosure relates to a method for estimating and predicting a target emitter's kinematics, the method including the steps of: (a) passively sampling, at a first sampling rate, an emitter signal to obtain at least one passively measured signal attribute for estimating the target kinematics; (b) inputting the passively measured signal attribute to an estimator at a first sampling rate; (c) determining a radar duty cycle for active radar measurements as a multiple of the first sampling rate, the multiple defining a duration between radar transmissions; (d) directing a radar system to make active target measurements at the determined duty cycle; (e) inputting to the estimator the active target measurements at the determined duty cycle, while continuously inputting the passively measured signal attributes. | 2009-04-30 |
20090109083 | Adaptive moving target indicator (MTI) clutter rejection filter for radar systems - Apparatus for providing moving target indicator (MTI) filtering in the presence of clutter for a radar receiver employing digital pulse compression to provide at an output a compressed digital pulse for application to the input of a MTI digital filter, including a digital adaptive filter of the same weight as the MTI filter and operative to receive the compressed pulse to provide at outputs of the filter a set of weighted filter coefficients, wherein the weighted coefficients are applied to the MTI filter during a predetermined clutter mode. | 2009-04-30 |
20090109084 | Target detection device and its detection method - This invention relates to a target detection device and its detection method, comprising: a transmitting unit for transmitting a detecting pulse to detect target which then reflects the detecting pulse to generate a reflected pulse; a plurality of measuring units, located at different positions respectively which receive said reflected pulse and generates measured values of distance and measured values of velocity according to the reflected pulse received; a plurality of two-stage linear Kalman filters, corresponding to said plural measuring units respectively, each of said plural two-stage linear Kalman filters proceeds an operation according to the measured values produced by corresponding measuring unit so as to generate respectively the estimation values of distance, velocity and acceleration; an arithmetic unit connecting to said plural two-stage linear Kalman filters, which proceeds a triangulation operation according to said estimation values so as to generate distance component values, velocity component values and acceleration component values with respect to the target. | 2009-04-30 |
20090109085 | METHOD AND SYSTEM FOR CALIBRATING AN ANTENNA ARRAY FOR AN AIRCRAFT SURVEILLANCE SYSTEM - In accordance with one aspect of the present invention, a method is provided for calibrating an aircraft surveillance system for a protected aircraft. The system has a phased antenna array comprising antenna elements. The method comprises transmitting a first signal from a first antenna element in the array, and receiving the first signal at a third antenna element. The first signal may represent an interrogation signal transmitted in connection with a surveillance transmit sequence to locate potential intruding aircraft into a range of the protected aircraft. The method further includes transmitting a second signal from a second antenna element and receiving the second signal at the third antenna element. The method also includes calculating calibration information for the antenna array based on the first and second signals received at the third antenna element. During each transmit operation only a single antenna element transmits at one point in time. | 2009-04-30 |
20090109086 | High-Resolution Synthetic Aperture Side View Radar System Used By Means of Digital Beamforming - The transmission antenna ( | 2009-04-30 |
20090109087 | Systems and Methods for Sharing an Oscillator Between Receivers - Systems and methods for sharing an oscillator between receivers are disclosed. A representative method (among others) of responding to a change in frequency of a voltage-controlled temperature-compensated oscillator (VCTCXO), includes: determining a new value for VCTCXO frequency; determining a time at which the new value will be applied to the VCTCXO; transmitting the time and the new value to a subsystem that uses a second receiver which shares the VCTCXO with a first receiver; and in the subsystem, updating channel context data to use the time of the change in frequency and the new value. | 2009-04-30 |
20090109088 | SATELLITE-BASED POSITIONING SYSTEM IMPROVEMENT - A method, device and system for determining a receiver location using weak signal satellite transmissions. The invention involves a sequence of exchanges between an aiding source and a receiver that serve to provide aiding information to the receiver so that the receiver's location may be determined in the presence of weak satellite transmissions. With the aiding information, the novel receiver detects, acquires and tracks weak satellite signals and computes position solutions from calculated pseudo ranges despite the inability to extract time synchronization date f, 'n the weak satellite signals. The invention includes as features, methods and apparatus for the calibration of a local oscillator, the cancellation of cross correlations, a Doppler location scheme, an ensemble averaging scheme, the calculation of almanac aiding from a table of orbit coefficients, absolute time determination, and a modified search engine. | 2009-04-30 |
20090109089 | System and Apparatus for Optimum GPS Reception - One embodiment of an apparatus for receiving a GPS signal includes a first chamber having a GPS antenna that is positionable relative to a second chamber having a GPS receiver, a communication path extending between the first and second chambers for connecting the GPS antenna and the GPS receiver, and a lock for fixing the relative movement of the first and second chambers, wherein the first chamber is positioned relative to the second chamber for optimum reception of the GPS signal by the GPS antenna. A system including such apparatus and method of using are also disclosed. | 2009-04-30 |
20090109090 | POSITION DETERMINATION WITH REFERENCE DATA OUTAGE - Position determination at a rover station on the basis of positioning signals from a plurality of positioning satellites. During normal operation a position of the rover station is determined on the basis of the positioning signal from the positioning satellites and reference data received via a separate connection from a reference station. Upon detecting an outage of the reference data from the reference station, error data at least including satellite clock drifts is obtained from error data transmitter and applied in the determination process in order to eliminate positioning errors introduced by satellite clock drifts that cannot be compensated on the basis of the reference data due to the outage. | 2009-04-30 |
20090109091 | GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER AND METHOD OF OPERATION - A system and method of operating a Global Navigation Satellite System (GNSS) receiver is disclosed, by receiving a plurality of navigation signals, operating the receiver in a first mode and operating the receiver in a second mode, each of the first navigation signals is a signal transmitted from a respective space vehicle and includes a respective sequence of navigation messages, each navigation message includes data indicative of at least a position of the respective space vehicle. | 2009-04-30 |
20090109092 | Antenna apparatus - An antenna apparatus is disclosed. The antenna apparatus has a first antenna, a second antenna, and a third antenna which have different directivity directions each other and are switched for a desired directivity direction. The first antenna is disposed on a substrate which is in parallel therewith. The second antenna is disposed on one principal surface of the substrate which is nearly perpendicular thereto. The third antenna is disposed on the other principal surface of the substrate which is nearly perpendicular thereto. | 2009-04-30 |
20090109093 | Beam-forming method for realizing interference suppression - The present invention discloses a beam-forming method for realizing interference suppression, comprising steps of: a. performing channel estimation for an expected user signal and interference signal in signals received by an array antenna and obtaining array channel impulse responses of the expected user signal and the interference signal respectively; b. obtaining array correlation matrixes of the expected user signal and the interference signal respectively according to the array channel impulse responses obtained in step a; c. obtaining a new array correlation matrix of the interference signal according to relation between the expected user signal with the interference and noise; and d. computing a beam-forming weighting coefficient of the array antenna according to the array correlation matrix of the expected user signal obtained in step b and the new array correlation matrix of the interference signal obtained in step c. According to this method, strong interference signals can be suppressed and the direction of the formed beam will not deviate. | 2009-04-30 |
20090109094 | SYSTEM AND METHOD FOR PERFORMING TIME DIFFERENCE OF ARRIVAL LOCATION WITHOUT REQUIRING A COMMON TIME BASE OR CLOCK CALIBRATION - A method for performing Time Difference Of Arrival (TDOA) that eliminates the need for a common time base or clock calibration and a system for implementing the method. The method relies on a packet transmitted from a reference wireless device (first wireless device) with a known propagation delay between the first wireless device and a second device, which serves as a common reference point for all TDOA estimates. When a packet is received from a wireless device by the first wireless device and the second wireless device, the time difference of arrival is computed based on when the signal was received by the first device and the second device, using the known propagation delay to compensate for differences in clocks and frequencies between the first wireless device and the second wireless device. | 2009-04-30 |
20090109095 | LOCATION ESTIMATION SYSTEM, METHOD AND PROGRAM - A location estimation method using label propagation. The achieved location estimation method is robust to variations in radio signal strengths and is highly accurate by using the q-norm (02009-04-30 |
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20090109096 | Multi-Band or Wide-Band Antenna - A monopole-type antenna ( | 2009-04-30 |
20090109097 | MULTIPLE FREQUENCY BAND ANTENNA - A multiple frequency band antenna for a wireless communication device includes a first radiating element, a connecting element and a second radiating element. The connecting element has an end connected to the first radiating element and includes a feeding point and a ground terminal. The second radiating element has a first terminal connected to the other end of the connecting element and a second terminal externally extended and bent for several time. The second radiating element is externally extended in the direction substantially parallel with the connecting element and has a longer path length compared with the first radiating element. The first radiating element is configured to transmit and receive wireless signals in multiple first frequency bands. The second radiating element is configured to transmit and receive wireless signals in multiple second frequency bands. The frequencies of the first frequency bands are higher than those of the second frequency bands. | 2009-04-30 |
20090109098 | Multi-band antenna - A multi-band antenna includes a grounding element, a connecting element extending from one end of the grounding element, a first conductive portion extending from the connecting element, a second conductive portion extending from the first conductive portion and narrower than the first conductive portion, a first coupling portion extending from the connecting element in a first direction, a second coupling portion extending from the other end of the grounding element and opposite to the connecting element. The second coupling portion extending in a second direction opposite to the first direction and overlap the first coupling portion. | 2009-04-30 |
20090109099 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit module including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit module can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery. | 2009-04-30 |
20090109100 | Circuit board and telephone apparatus - A circuit board is provided. The circuit board including a dielectric substrate; a ground electrode formed on the dielectric substrate; a radiation line formed on the dielectric substrate, at least a part of the radiation line including an open end and opposed to the ground electrode; a feeding line connected to the other end of the radiation line, the feeding line configured to feed high frequency signals to the radiation line or receive high frequency signals generated in the radiation line; a short-circuit line formed on the dielectric substrate and connected to the radiation line; a short-circuit element configured to short-circuit the short-circuit line and the ground electrode; and a connection terminal provided on the short-circuit line, wherein the connection terminal connects one end of the short-circuit element to the short-circuit line at a connection position and is configured so that the connection position is changeable. | 2009-04-30 |
20090109101 | SPACE-FILLING MINIATURE ANTENNAS - A novel geometry, the geometry of Space-Filling Curves (SFC) is defined in the present invention and it is used to shape a part of an antenna. By means of this novel technique, the size of the antenna can be reduced with respect to prior art, or alternatively, given a fixed size the antenna can operate at a lower frequency with respect to a conventional antenna of the same size. | 2009-04-30 |
20090109102 | ANTENNA AND RADIO IC DEVICE - An antenna includes a feeder terminal and a resonance circuit. The resonance circuit is defined by a capacitance element and an inductance element and includes first and second radiation plates. The capacitance element is electromagnetically coupled to the first radiation plate, and the inductance element is electromagnetically coupled to the second radiation plate. A radio IC device includes an electromagnetic coupling module including a feeder circuit substrate on which a radio IC chip is mounted, and radiation plates. The feeder circuit substrate includes an inductance element and a capacitance element. One of the radiation plates faces and is magnetically coupled to the inductance element. The other radiation plate faces and is electrically coupled to the capacitance element. The radio IC chip is operated by signals received by the radiation plates, and a response signal from the radio IC chip is radiated from the radiation plates. | 2009-04-30 |
20090109103 | Electromagnetic compression apparatus, methods, and systems - Apparatus, methods, and systems provide electromagnetic compression. In some approaches the electromagnetic compression is achieved with metamaterials. In some approaches the electromagnetic compression defines an electromagnetic distance between first and second locations substantially greater than a physical distance between the first and second locations, and the first and second locations may be occupied by first and second structures (such as antennas) having an inter-structure coupling (such as a near-field coupling) that is a function of the electromagnetic distance. In some approaches the electromagnetic compression reduces the spatial extent of an antenna near field. | 2009-04-30 |
20090109104 | Balanced-Unbalanced Antennas - There is disclosed an antenna device comprising a pair of physically and electrically symmetrical radiating elements configured for cooperative operation as a balanced antenna, and a third radiating element configured for operation as an unbalanced antenna The balanced antenna may be configured for operation in a first frequency band, and the unbalanced antenna may be configured for operation in a second frequency band Embodiments of the disclosed antenna device provide multiband operation close to a conductive groundplane and are strongly resistant to detuning. | 2009-04-30 |
20090109105 | Antenna device with a dual-loop radiating element - An antenna device includes a dual-loop radiating element, first and second radiating arms, a feeding element, and a grounding element. The dual-loop radiating element has first and second loops. Each of the first and second radiating arms is disposed in a respective one of the first and second loops. The feeding element interconnects the first and second loops and the first and second radiating arms. The grounding element is connected to the first and second loops. | 2009-04-30 |
20090109106 | SURFACE-MOUNT ANTENNA AND ANTENNA DEVICE - A ground electrode is formed on the lower surface of a ferroelectric substrate, a control electrode including capacitor electrodes and an inductor electrode is formed on the upper surface of the ferroelectric substrate, and an upper-surface radiating electrode and an end-surface radiating electrode are formed on a paraelectric substrate. The shapes and dimensions of the ferroelectric substrate, paraelectric substrate, and radiating electrodes are determined such that when the ferroelectric substrate and the paraelectric substrate are stacked in layers, a circuit including the radiating electrodes resonates at frequencies outside a frequency band exhibiting frequency dispersion of a dielectric constant. | 2009-04-30 |
20090109107 | Apparatus and Method for Providing Single Plane Beam Shaping - An antenna assembly is provided having a primary feedhorn arranged in a first plane and configured to provide a first scan pattern having a first gain and first beamwidth. In another embodiment, a plurality of feedhorns are configured to provide a second scan pattern, wherein each of the plurality of feedhorns may be oriented substantially parallel to the first plane. A support structure may be provided to arrange the primary feedhorn in the first plane and the plurality of feedhorns substantially in parallel to the first plane. According to another embodiment, the first and second scan patterns produce a resulting scan pattern having a resultant beamwidth greater than the first beamwidth and a resultant gain that is greater than a minimum gain requirement. | 2009-04-30 |
20090109108 | Reflective Antenna Assembly - A reflective antenna is provided according to one or more embodiments of the invention. In one embodiment, the reflective antenna may include a radome having a fixed orientation within the elevation plane. According to another embodiment, a reflective antenna positioned within the radome. The reflective antenna may include a feedhorn configured to provide electromagnetic energy at an operation frequency. In another embodiment, the reflective antenna may include a reflective surface having multiple electromagnetically loading structures. The reflective surface may be curved in the azimuth plane and configured to reflect the electromagnetic energy relative to at least one focal point. According to another embodiment, the reflective antenna may include a support structure configured to position the feedhorn and reflective surface within the radome in order to angularly steer the electromagnetic energy with respect to the elevation plane. | 2009-04-30 |
20090109109 | HIGH FREQUENCY COMUNICATION DEVICE ON MULTILAYERED SUBSTRATE - A communication device ( | 2009-04-30 |
20090109110 | Apparatus and Method for Providing Multiple High Gain Beams - A reflective antenna is provided according to one or more embodiments of the invention. In one embodiment, the reflective antenna may include a feedhorn arrangement configured for an operation frequency. According to another embodiment, the reflective antenna may include a curved reflective surface having a plurality of electromagnetically loading structures. The curved reflective surface may be configured to reflect incident electromagnetic energy to corresponding to the operation frequency relative to at least one focal point. In another embodiment, the reflective antenna may include a support structure configured to arrange the feedhorn arrangement and the curved reflective surface such that the antenna assembly may be configured to provide multiple electromagnetic beams exhibiting high gain relative to the at least one focal point. | 2009-04-30 |
20090109111 | CROSS-POLAR COMPENSATING FEED HORN AND METHOD OF MANUFACTURE - A feed horn with a horn body and a waveguide body, each with a front end and a back end, respectively. The horn body and the waveguide body coupled together, the waveguide body front end to the horn body back end. The waveguide body provided with a waveguide bore between the front end and the back end. At least one slot formed in the waveguide bore parallel to a longitudinal axis of the body bore, the at least one slot extending to the front end. The horn body provided with a horn bore between the front end and the back end. The horn body and the waveguide body formable via injection molding methods such as die casting. | 2009-04-30 |
20090109112 | Electromagnetic compression apparatus, methods, and systems - Apparatus, methods, and systems provide electromagnetic compression. In some approaches the electromagnetic compression is achieved with metamaterials. In some approaches the electromagnetic compression defines an electromagnetic distance between first and second locations substantially greater than a physical distance between the first and second locations, and the first and second locations may be occupied by first and second structures (such as antennas) having an inter-structure coupling (such as a near-field coupling) that is a function of the electromagnetic distance. In some approaches the electromagnetic compression reduces the spatial extent of an antenna near field. | 2009-04-30 |
20090109113 | RADIO FREQUENCY ACCESSORY FOR AN ELECTRONIC PORTABLE DEVICE AND SYSTEM THEREOF - An accessory comprising at least two antennas for receiving and/or transmitting radio signals on a portable electronic appliance with the help of compact and self-contained means suitable for use while mobile. | 2009-04-30 |
20090109114 | Antenna structure - An antenna structure includes a first tubing module, a second tubing module, an insulating tubing, a coaxial cable, an insulating tube and a base. Both ends of the insulating tubing are connected with the first and second tubing modules respectively. An interval is maintained between two corresponding ends connected with the tubing modules. The first tubing module is connected to the insulating tube, and the insulating tube is connected the base. The coaxial cable includes a central conductor and a metal conducting mesh, and the central conductor is connected the second tubing module, and the second tubing module is connected to a terminal inside the base. The metal conducting mesh is connected to the first tubing module, and the first tubing module is connected the base, so that the antenna structure can be operated at a specific frequency range and gives a better gain. | 2009-04-30 |
20090109115 | RADOME WITH INTEGRATED PLASMA SHUTTER - Radome with an integrated plasma shutter covering an antenna and method for selectively shielding an antenna. The radome includes a honeycomb core formed to contain a plasma-guiding layer, and coverplates arranged to sandwich the honeycomb core. Electrodes are structured and arranged for plasma excitation, the electrodes being high frequency (HF)-transparent at least in an operating frequency range of the antenna. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. | 2009-04-30 |
20090109116 | Apparatus and method for covering integrated antenna elements utilizing composite materials - The present invention provides an antenna system for transmitting and receiving radar signals comprising a first non-conductive material embedding a plurality of parasitic antenna elements, where the first non-conductive material interfaces a second non-conductive material embedding a plurality of electrical feed elements, and wherein the first non-conductive material covers one or more adjacent interconnecting joints. | 2009-04-30 |
20090109117 | AUTOMATIC ANTENNA IDENTIFICATION AND CONFIGURATION, AND DEVICE INCLUDING THE SAME - An automatic antenna identification system is provided that includes a connector to which a plurality of different antennas tuned to different respective frequencies or frequency bands may be connected. In addition, the system includes circuitry that automatically identifies which antenna of the plurality of different antennas is connected to the connector based on the respective frequency or frequency band of the antenna. | 2009-04-30 |
20090109118 | DIRECTIONAL ANTENNA AND PORTABLE ELECTRONIC DEVICE USING THE SAME - A directional antenna and a portable electronic device using the same are provided. The directional antenna includes L-shaped radiator, L-shaped oscillator, and L-shaped reflector and it is preferred that the directional antenna is positioned at corners of the substrate. The L-shaped radiator is made resonant by the L-shaped oscillator and has higher gain to maximize performance of signal transmission. The directional antenna achieves signal transmission in a specific direction over a long distance by the L-shaped reflector. In addition, with the gravity sensor, the processor and the switches, the directional antenna is automatically adjusted to a predetermined direction to transmit and receive signals even through orientation of the electronic device is changing at any time. | 2009-04-30 |
20090109119 | Adjustable Paneling System for a Phasing Structure - A phasing structure includes a support matrix for a reflective surface which reflects microwaves within an operation frequency band. The reflective surface includes a plurality of adjustable sub-panels. In one embodiment, the phasing structure may include a phasing arrangement of electromagnetically-loading structures supported by the support matrix. The sub-panels may be secured to the support matrix and individually adjustable using a securing means which, in one embodiment, includes one or more differential bolts matrix. | 2009-04-30 |
20090109120 | Low Windload Phasing Structure - A microwave phasing structure configured to reflect microwaves within an operation frequency band includes a planar array of phasing. The plurality of phasing elements may be supported by a support grid having a first predefined spacing interval. The phasing structure may include a planar pattern including a plurality of openings having a second predefined spacing interval. The phasing structure may include a support means for securing the phasing array and the planar pattern substantially in parallel. | 2009-04-30 |
20090109121 | Electronically tunable microwave reflector - Exemplary embodiments of a structured surface are described which can efficiently reflect, steer or focus incident electromagnetic radiation. The surface impedance may be adjustable and can impart a phase shift to the incident wave using tunable electrical components of the surface. An array of electrodes interconnected by variable capacitors may be used for beam steering and phase modulation. In an exemplary embodiment, the electrodes have a circular configuration. | 2009-04-30 |
20090109122 | Deployable Phasing System for Emulating Reflective Surfaces - A deployable microwave phasing structure having a plurality of planar sub-panels, each of the planar sub-panels having a reflective surface configured to reflect microwaves. In one embodiment, the phasing structure includes a plurality of joints configured to inter-connect the plurality of planar sub-panels to provide a first reflective surface geometry. In one embodiment, the deployable microwave phasing structure includes a plurality of joints configured to inter-connect the plurality of planar sub-panels to provide a first reflective surface geometry. According to another aspect of the invention, the phasing structure includes a phasing arrangement configured to provide an electromagnetic response of a second reflective surface geometry. | 2009-04-30 |
20090109123 | System and Method for Providing a Deployable Phasing Structure - A deployable microwave phasing structure having a plurality of sub-panels forming a non-planar reflective surface when in a deployed state. In one embodiment, the phasing structure includes a plurality of joints configured to inter-connect the plurality of sub-panels. In one embodiment, the deployable microwave phasing structure includes a folding means for arranging the phasing structure into a plurality of states, the plurality of states including the deployed state and a collapsed state, wherein the collapsed state is characterized by a substantially planar profile. | 2009-04-30 |
20090109124 | IMAGE PROCESSING METHOD AND SYSTEM - An image processing method and system are provided. The system includes a master communication terminal for assigning a master displaying region and one or more slave displaying regions of an image when displaying the image, for splitting the image into the master displaying region and the slave displaying regions, and for displaying the master displaying region, and at least one slave communication terminal for displaying any one of the slave displaying regions when the master communication terminal displays the master displaying region. A plurality of communication terminals can display an image with an enlarged size greater than the image displayed by a single communication terminal. | 2009-04-30 |
20090109125 | IMAGE PROCESSING METHOD AND SYSTEM - An image processing method is disclosed. The method is applied to a display device including a plurality of series connection sub display devices. A video chip of each of the sub display devices sets a device ID for each of the corresponding sub display devices according to a setting signal. An image frame is retrieved from an image output device and is divided to a plurality of sub image frames according to the device IDs of each of the sub display devices. It is determined whether a switch signal has been detected. If the switch signal has not been detected, the sub image frames are respectively displayed in the sub display devices with a first video mode. If the switch signal has been detected, the sub image frames are respectively displayed in the sub display devices with a second video mode. | 2009-04-30 |
20090109126 | MULTIPLE VIEW DISPLAY SYSTEM - An interactive multiple view display system has a multiple view display which displays images of independently selectable content so as to make them visible in respective different viewing regions. A detection arrangement detects which of a plurality of users is attempting to interact with one of the displayed images. An interaction arrangement then permits the detected user to interact with the image. | 2009-04-30 |
20090109127 | Three-Dimensional Image Display Device and a Displaying Method Thereof - A three-dimensional image display device and a displaying method thereof. The display device includes a pixel array, a sub-pixel rendering device and a mask. The sub-pixel rendering device provides data signals to the sub-pixels to form the first frames and the second frames. The first frame and the second frame include a plurality of first pixel regions and a plurality of second pixel regions. The second pixel region and the adjacent first pixel regions have some sub-pixels in common. The mask projects the first frames and the second frames as a first image and a second image. | 2009-04-30 |
20090109128 | DISPLAY WITH REPLICA WELDING HELMET VIEWER - A display device that includes a housing that houses a display, and a control panel. Control panel and display are connected to a controller disposed inside of the housing. A control device can also be attached to display device. The control device is configured to resemble a welding gun. The control device is also connected to the controller. A viewer, such as welding mask viewer, is be mounted to the housing of display device. | 2009-04-30 |
20090109129 | System and Method for Managing Information Handling System Display Illumination - A webcam integrated in a portable information handling system captures ambient light for analysis and application in automatically adjusting settings of a display integrated in the information handling system. As an example, a histogram of the webcam is analyzed to determine ambient light intensity and color temperature, which is then applied to adjust the brightness, contrast and color settings of the display. | 2009-04-30 |
20090109130 | Methods and apparatus for interactive movable computer mediated information display - In embodiments, methods and systems are presented for physical interaction with computer-mediated information. A movable display module (including a touch screen monitor, CPU, absolute encoder and other sensors, and wireless network connection) is mounted on and can be moved along rails. The rails serve four purposes relating to the movable display module:
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20090109131 | DISPLAY DEVICE - A display device includes a body including a stationary portion and an extendible portion movable relative to the stationary portion, an expandable display portion having a display area, an adjustable resistor, and a controlling unit. The first end of the expandable display is engaged in the stationary portion, and an opposite second end of the expandable display is engaged in the extendible portion. The adjustable resistor has a resistance varying with a distance between the stationary portion and the extendible portion. The controlling unit is configured for adjusting a size of the display area according to the resistance of the adjustable resistor. | 2009-04-30 |
20090109132 | DISPLAY APPARATUS AND METHOD FOR DRIVING DISPLAY PANEL THEREOF - A display apparatus and a method for driving a display panel thereof are provided. The display panel includes an inducing signal readout line and N gate lines, in which N is a natural number. The inducing signal readout line is coupled to a plurality of inducing circuits. Each inducing circuit is coupled to one of the gate lines, and the N | 2009-04-30 |
20090109133 | DRIVING DEVICE OF DISPLAY DEVICE AND DRIVING METHOD THEREOF - A driver for pixels of a display, having pixels arranged into a plurality of pixel blocks including at least two pixels in a row and at least two pixels in a column is presented. The driver includes a first converter, a second converter, and a frame memory. The first converter receives input image signals for a pixel block of the plurality of pixel blocks and generates compressed image signals by compressing the input image signals based on compression reference image signals. The frame memory stores the compressed image signals. The second converter reads the compressed image signals from the frame memory, and restores the compressed image signals based on compression reference image signals to generate restoration image signals. A compression reference image signal for a first pixel of the pixel block is the restoration image signal for a second pixel of a neighboring pixel block. Compression reference image signals for the remaining pixels in the pixel block are restoration image signals for different pixels in the pixel block. | 2009-04-30 |
20090109134 | DISPLAY PANEL AND METHOD THEREOF - A display panel includes a first substrate having a first line and a second line and a second substrate facing the first substrate. The first substrate includes an electrostatic discharger that is electrically connected to the first line to discharge a static electricity inflowing into the display panel through the first line to an exterior. Also, the second substrate includes a common electrode through which an opening is formed by removing an area of the common electrode corresponding with the electrostatic discharger. Thus, the electrostatic discharger may be prevented from being shorted with the common electrode, thereby preventing a display quality of the display panel from being deteriorated. | 2009-04-30 |
20090109135 | DISPLAY APPARATUS - To reduce moving image blurring with a simple circuit while an image quality of a still image is maintained, a display apparatus emphasizes and deemphasizes a change in display data along a temporal direction based upon preceding frame data and current frame data, emphasizes and deemphasizes a change in the emphasized and deemphasized display data along a spatial direction, and displays, with respect to a portion where the display data has been changed between frames, an image in which the change in display data is emphasized along both the temporal direction and the spatial direction, and another image in which the change in display data is deemphasized along both the temporal direction and the spatial direction within one rendering frame period. | 2009-04-30 |
20090109136 | APPARATUS FOR DRIVING PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS THEREOF - The present invention relates to a driving apparatus for supplying a driving signal to a plasma display panel, and a plasma display apparatus employing the same. A reset signal supplied during a reset period of a first subfield of a plurality of subfields includes a first rising period where a voltage rises up to a first voltage, and a first sustain period where the first voltage is sustained. A reset signal supplied during a reset period of a second subfield includes a second rising period where a voltage rises up to a second voltage lower than the first voltage, and a second sustain period where the second voltage is sustained. The second voltage is higher than a sustain voltage. In accordance with the present invention, if it is sought to reset discharge cells of a PDP in a reset period, a signal whose voltage gradually rises up to a voltage higher than the sustain voltage is applied to a scan electrode. Accordingly, wall charges of the scan electrode for addressing can be controlled effectively, the highest voltage of the reset signal can be lowered and, therefore, driving margin can be secured. Further, since the sustain period of the highest voltage is included, stabilized discharge can be generated irrespective of variation of an APL of a display screen. | 2009-04-30 |
20090109137 | PLASMA DISPLAY PANEL - A plasma display panel including a first and second substrates. A plurality of discharge electrodes and a barrier rib structure are between the substrates. A plurality of discharge cells are defined between the substrates and at least one spacer is between the substrates to maintain a substantially constant distance between the substrates. At least one groove is in at least one of the substrates with the spacer in the groove. A frit is between the substrates to seal the substrates. Phosphor layers are in the discharge cells, and a discharge gas is filled in the discharge cells. | 2009-04-30 |
20090109138 | PLSMA DISPLAY APPARATUS - A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode and an address electrode, a scan driver that supplies a reset signal to the scan electrode during a reset period and supplies a scan signal to the scan electrode during an address period, a data driver that supplies a data signal synchronized with the scan signal to the address electrode, and an energy recovery unit that recovers an energy charged to the address electrode or supplies an energy to the address electrode. The amount of energy charged to the energy recovery unit changes depending on changes in video data. A minimum voltage of the scan signal is lower than a minimum voltage of the reset signal. | 2009-04-30 |
20090109139 | PLASMA DISPLAY PANEL DEVICE - A PDP device can realize both the reduction in power consumption in the sustain period and the appropriate erase operation. The PDP device has a plurality of display electrodes on a substrate surface, wherein the display electrodes include mutually adjacent X electrodes and Y electrodes. And the PDP has X, Y drive circuits that drive the X, Y electrodes. Further, in a sustain period, the X, Y electrode drive circuits apply sustain pulses having a rising dull waveform during the rise and a falling dull waveform during the fall between the X, Y electrodes a plurality of times, and after the plurality of sustain pulses have been applied, apply narrow erase pulses having a rise characteristic sharper than the rising dull waveform during the rise and also having a pulse width shorter than that of the sustain pulses between the X, Y electrodes. | 2009-04-30 |
20090109140 | PLASMA DISPLAY PANEL - The present invention relates to a plasma display panel. The plasma display panel includes a front substrate on which a first electrode and a second electrode are positioned parallel to each other, a first black layer at a position corresponding to the first electrode, a second black layer at a position corresponding to the second electrode, a rear substrate positioned opposite the front substrate, and a barrier rib positioned between the front substrate and the rear substrate to partition a discharge cell. An interval between the first black layer and the second black layer ranges from 0.7 to times a shortest interval between at least one of the first and second black layers and the barrier rib. | 2009-04-30 |
20090109141 | In-Liquid Plasma Electrode, In-Liquid Plasma Generating Apparatus and In-Liquid Plasma Generating Method - An in-liquid plasma electrode | 2009-04-30 |
20090109142 | EL DISPLAY DEVICE - A switch being turned off using an output open function of a power supply circuit, a cathode voltage Vss is not transmitted, an output terminal takes on a high impedance condition and, a probing being done into a pad of the cathode voltage Vss output terminal with a probe, an ammeter which measures a current is disposed between the probe | 2009-04-30 |
20090109143 | EL Display Device and A Method of Manufacturing the Same - To provide a high throughput film deposition means for film depositing an organic EL material made of polymer accurately and without any positional shift. A pixel portion is divided into a plurality of pixel rows by a bank, and a head portion of a thin film deposition apparatus is scanned along a pixel row to thereby simultaneously apply a red light emitting layer application liquid, a green light emitting layer application liquid, and a blue light emitting layer application liquid in stripe shapes. Heat treatment is then performed to thereby form light emitting layers luminescing each of the colors red, green, and blue. | 2009-04-30 |
20090109144 | CIRCUIT DEVICE AND ACTIVE-MATRIX DISPLAY APPARATUS - A circuit device includes a first circuit including a thin-film transistor and a second circuit including another thin-film transistor. The second circuit is controlled by control signals including a first control signal and a second control signal delayed from the first control signal. The second control signal is generated on the basis of the first control signal which has been propagated through the second circuit. | 2009-04-30 |
20090109145 | IMAGE DISPLAY DEVICE AND CONTROL METHOD THEREOF - When not receiving the next display-switch starting signal even after a specified time elapses from the application of a previous display driving voltage, a driving unit applies another preparatory driving voltage for generating a preparatory electric field capable of improving the response of colored particles to a driving electric field to an extent so as not to change the arrangement of the colored particles between pixel electrodes and a transparent electrode for a preparatory driving time. | 2009-04-30 |
20090109146 | Display apparatus, driving method for display apparatus and electronic apparatus - Disclosed herein is a display apparatus, including: a pixel array section having a plurality of pixels each including an electro-optical element, a writing transistor, a driving transistor, and a holding capacitor; a power supply scanning circuit; and a signal outputting circuit; wherein the power supply scanning circuit is operable to supply a second power supply potential to initialize the potential of a second electrode of the driving transistor and then change over the potential of a power supply line to a first power supply potential; and the signal outputting circuit is operable to output, when the writing transistor is in a conducting state, a first reference potential, supply, midway while a threshold value correction process is carried out, a second reference potential, output a third reference potential within a period within which the writing transistor remains in the conducting state, and output a image signal after the threshold correction process ends. | 2009-04-30 |
20090109147 | Organic light emitting display and power supply method thereof - An organic light emitting display and power supply method thereof operate an organic light emitting display panel using a high voltage EVLDD and a low voltage ELVSS supplied from a driver integrated circuit during a low power display mode. The organic light emitting display a first power supply configured to supply a first power including a first high voltage and a first low voltage, a second power supply configured to supply a second power including a second high voltage and a second low voltage, and an organic light emitting display panel configured to receive the first power from the first power supply in a standard display mode and configured to receive the second power from the second power supply in a low power display mode. | 2009-04-30 |
20090109148 | Organic electro-luminescent display device - A high-definition organic EL display device which enhances utilization efficiency of a space within a pixel is provided. In an organic EL display device in which pixels each of which is constituted of an organic El element are arranged in a matrix array, the pixel includes a pixel circuit which is configured to control an electric current supplied to the organic El element, the pixel circuit includes a capacitance, and the capacitance is arranged on a boundary of the pixels arranged adjacent to each other in a longitudinal direction of the pixels. Further, one electrode which constitutes the capacitance is used in common by the pixels arranged adjacent to each other in the longitudinal direction, and another electrode which constitutes the capacitance is separated between the pixels arranged adjacent to each other in the longitudinal direction. | 2009-04-30 |
20090109149 | Image display device - An image display device having a plurality of pixel, a plurality of signal lines for inputting an image voltage to each of the plurality of pixels, and a pixel selecting unit for selecting from the plurality of pixels a pixel into which the image voltage is to be written, in which each of the pixels has a light emitting device of a current driving-type, a driving transistor connected between a power line and the light emitting device, and a capacitance device having one end connected to a gate electrode of the driving transistor, the image voltage is input to the other end of the capacitance device during the writing period, an inclined wave voltage which changes a voltage level thereof according to time is input to the other end of the capacitance device during a light emission period following the writing period. | 2009-04-30 |
20090109150 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel includes a light emitting diode, and a switching circuit that is coupled to a data line, and includes a transistor including a control terminal, a first main terminal coupled to a power source line, and a second main terminal coupled to the light emitting diode. The switching circuit generates a control signal based on at least a voltage of a data signal transmitted through the data line and a voltage drop of the light emitting diode, and applies the control signal to the control terminal of the first transistor to control a current flowing in the light emitting diode so that the current varies in accordance with the voltage of the data signal and is independent of variations in the voltage drop of the light emitting diode. | 2009-04-30 |
20090109151 | LIGHT EMITTING DIODE PACKAGE - A light emitting diode (LED) package includes a first serial array of light emitting cells formed on a first substrate to emit light of a relatively short wavelength, and a second serial array of light emitting cells formed on a second substrate to emit light of a relatively long wavelength. The first and second serial arrays are connected to in reverse parallel. The LED package is capable of being operated under AC power and emitting white light with excellent color reproduction characteristics and luminous efficiency. | 2009-04-30 |
20090109152 | Monitor with multi-module communication function - A monitor with multi-module communication function includes a display screen framed in a housing, and a base, to a top of which the housing is mounted. At least one set of USB sockets and at least one set of PSTN jacks are externally provided on the housing or the base at predetermined positions; and an automatic switch circuit and a microprocessor with a memory are internally provided in the housing. The automatic switch circuit is connected to a personal computer and a VoIP phone via the USB sockets, and to a PSTN phone and a PSTN system provider via the PSTN jacks. Therefore, a user can make and receive VoIP calls via the PSTN phone at reduced call cost. | 2009-04-30 |
20090109153 | Liquid Crystal Display Device - In one embodiment of the present application, a liquid crystal display device is disclosed, in which increased power consumption due to an excessive DAC capability and reduced display quality due to a deficient DAC capability do not occur as a result of dynamically adjusting the DAC capability such that variation in the characteristics of the liquid crystal panel is compensated. The liquid crystal display device comprises a digital-to-analog converter circuit that converts data signals inputted as digital signals to analog signals; a source driver that distributes and inputs analog signals output from the digital-to-analog converter circuit to a plurality of source lines Y; a differential amplifier that compares the voltage V | 2009-04-30 |
20090109154 | Display device - Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness. | 2009-04-30 |
20090109155 | Image processing apparatus for processing moving image to be displayed on liquid crystal display device, image processing method and computer program product - An image processing method for a liquid crystal display device includes: calculating first difference gradation, which is a difference between predicted attainment gradation and input gradation, the predicted attainment gradation being a predicted value of gradation which respective pixels of the liquid crystal display attain after one frame period after the respective pixels are driven to display a first frame, and the predicted attainment gradation being stored in a storage unit which stores the predicted attainment gradation, and the input gradation being gradation of a second frame which is displayed after the first frame; multiplying the first difference gradation by an enhancement coefficient; calculating enhanced gradation which is a sum of the first difference gradation multiplied by the enhancement, coefficient and the predicted attainment gradation; calculating second difference gradation which is a difference between the enhanced gradation and the predicted attainment gradation; multiplying the second difference gradation by a correction coefficient; and updating the value of the predicted attainment gradation stored in the storage unit based on a sum of the second difference gradation multiplied by the correction coefficient and the predicted attainment gradation. | 2009-04-30 |
20090109156 | ACTIVE DEVICE ARRAY SUBSTRATE, PIXEL STRUCTURE THEREOF AND DRIVING METHOD THEREOF - A pixel structure including a first transparent electrode, a second transparent electrode, a reflective electrode, a first active device and a second active device is provided. The reflective electrode connects the second transparent electrode, while the first transparent electrode is electrically insulated from the second transparent electrode and the reflective electrode. The first active device electrically connects the first transparent electrode to apply a first driving voltage to the first transparent electrode. The second active device electrically connects the second transparent electrode and the reflective electrode to apply a second driving voltage to the second transparent electrode and the reflective electrode. The first driving voltage differs from the second driving voltage. An active device array substrate having the abovementioned pixel structure and a driving method of the active device array substrate are also provided and applied to a transflective liquid crystal display for improving the display quality thereof. | 2009-04-30 |
20090109157 | DOT-MATRIX DISPLAY REFRESH CHARGING/DISCHARGING CONTROL METHOD AND SYSTEM - A dot-matrix display data refresh charging/discharging control method and system is proposed, which is designed for integration to a dot-matrix display device for providing a data refresh charging/discharging control mechanism on the dot-matrix display device. The proposed method and system is characterized by the capability of prior to a data refresh action on each pixel, switching the pixel for connection to a voltage-neutralizing point for the purpose of neutralizing the current data voltage charge on the pixel to substantially approach zero voltage level; and subsequently during the data refresh action, charging a new data voltage into the pixel. This feature allows the operation of the dot-matrix display device to have faster speed and low power consumption. | 2009-04-30 |
20090109158 | Liquid crystal display panel driving method, liquid crystal display device, and LCD driver - A driving method for driving an LCD panel having a counter electrode and a source line. In a first period, the counter electrode is driven to a potential VCOMH. In a second period, the counter electrode and the source line are short-circuited to a power supply interconnection having a power supply potential VCI. In a third period, the counter electrode is connected to a ground interconnection while the source line is kept to be short-circuited to the power supply interconnection. In a fourth period, the counter electrode is pulled down to a potential VCOML lower than a ground potential In a fifth period, the source line is driven to a potential corresponding to an image data while the counter electrode is kept to the potential VCOML. The electric power consumed in pulling down the counter electrode from a positive potential to a negative potential can be effectively reduced. | 2009-04-30 |
20090109159 | LIQUID CRYSTAL DISPLAY IMAGE PRESENTATION - In one embodiment, a display device comprises a liquid crystal module comprising a matrix of pixels, a backlight assembly, and a controller comprising logic to receive an image comprising at least a first stationary portion and a second moving portion, separate the first stationary portion from the second stationary portion, present the first stationary portion at a first refresh rate and present the second moving portion at a second refresh rate, different from the first refresh rate. | 2009-04-30 |
20090109160 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPLYING THE SAME - A liquid crystal display panel including a first substrate, a second substrate, scan lines, data lines, pixel unit sets, and a liquid crystal layer is provided. The scan lines, data lines, and pixel unit sets are disposed on the first substrate. A first gap is formed between two adjacent pixel unit sets. Each of the pixel unit sets includes pixel units, and a second main space is formed between two adjacent pixel units. Each of the pixel units includes an active device electrically connected to a scan line and a data line, and a transparent pixel electrode has slits and electrically connected to the active device. The width of the first gap is greater than that of the second gap. | 2009-04-30 |
20090109161 | Signal Output Circuit, Shift Register, Output Signal Generating Method, Display Device Driving Circuit, and Display Device - A signal output circuit of one embodiment of the present invention is provided in a unit stage of a shift register. The signal output circuit includes a set-reset flip-flop, and a signal generation circuit for generating an output signal by loading or blocking a clock signal in accordance with a signal inputted thereto. The signal output circuit is arranged such that: the signal generation circuit receives a signal outputted from the flip-flop and the output signal fed back to the signal generating circuit; and the output signal is fed back to a reset input of the flip-flop. This makes it possible to achieve a reduction in the area of the circuit and a simplification of the circuit. | 2009-04-30 |
20090109162 | AMORPHOUS-SILICON THIN FILM TRANSISTOR AND SHIFT RESISTER HAVING THE SAME - An amorphous-silicon thin film transistor and a shift resister shift resister having the amorphous-silicon TFT include a first conductive region, a second conductive region and a third conductive region. The first conductive region is formed on a first plane spaced apart from a substrate by a first distance. The second conductive region is formed on a second plane spaced apart from the substrate by a second distance. The second conductive region includes a body conductive region and two hand conductive regions elongated from both ends of the body conductive region to form an U-shape. The third conductive region is formed on the second plane. The third conductive region includes an elongated portion. The elongated portion is disposed between the two hand conductive regions of the second conductive region. The amorphous-silicon TFT and the shift resister having the amorphous TFT reduce a parasitic capacitance between the gate electrode and drain electrode. | 2009-04-30 |
20090109163 | Driving apparatus, backlight module, and driving method - The invention discloses a driving apparatus for driving a back light module, and the driving apparatus comprises a driving unit and a deviation detecting unit. The driving unit is used for driving a plurality of lighting units to emit light. The deviation detecting unit is used for calculating for a current deviation of each of the lighting emitting units. Wherein, when the deviation overtakes a first threshold, the deviation detecting unit controls the driving unit to stop driving the lighting emitting units to light. | 2009-04-30 |
20090109164 | BACKLIGHT APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A backlight apparatus includes a first backlight part and a second backlight part. The first backlight part includes a plurality of first lamps. The second backlight part includes a plurality of second lamps. At least one first lamp of the first lamps is disposed between two second lamps of the second lamps. | 2009-04-30 |
20090109165 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A backlight unit for a display device that reduces power consumption while and display of undesirable artifacts in images is presented. The backlight unit is divided into a plurality of light-emitting regions, and a luminance control signal generator controls the luminance of light emitted by each of the light-emitting regions. The luminance of a particular light-emitting region is controlled by taking into account light interference from an adjacent light-emitting region. A display panel to display images through light emitted from the backlight unit, and a backlight driver drives the backlight unit. | 2009-04-30 |
20090109166 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A liquid crystal display (LCD) and a method of driving the same are provided. The LCD includes a liquid crystal panel; and a plurality of light-emitting blocks providing light to the liquid crystal panel, the light-emitting blocks including light-emitting elements and wherein a peak value of current flowing through each of the light-emitting elements is controlled according to operation modes. | 2009-04-30 |
20090109167 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - Provided are a liquid crystal display (LCD) and a method of driving the same. The LCD includes a timing controller which receives a first image signal corresponding to a first frame frequency and outputs a second image signal corresponding to a second frame frequency; a liquid crystal panel which receives the second image signal and displays an image using the second frame frequency; and a plurality of light-emitting blocks which provide light to the liquid crystal panel, wherein the light-emitting blocks are divided into a plurality of light-emitting groups, each group including at least one of the light-emitting blocks, and, in a first operation mode, a frame, which corresponds to the second frame frequency, includes an off section in which at least one of the light-emitting groups is turned off. | 2009-04-30 |
20090109168 | BACKLIGHT DRIVER AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A backlight driver and liquid crystal display device including the same are disclosed. The backlight driver, in accordance with an embodiment, includes a driving-voltage-generating unit supplying a driving voltage to a light-emitting unit, or cutting off the supply of the driving voltage to the light-emitting unit, in response to a pulse width modulation signal; a pulse-width-modulation-signal-generating unit supplying the pulse width modulation signal to the driving-voltage-generating unit, and stopping its operation when an error occurs in the light-emitting unit; and an automatic reset unit supplying a reset signal to the pulse-width-modulation-signal-generating unit, when the pulse-width-modulation-signal-generating unit stops its operation, to restart the operation of the pulse-width-modulation-signal-generating unit. | 2009-04-30 |
20090109169 | DISPLAY DEVICE AND ELECTRONIC APPLIANCE - To provide a liquid crystal display device capable of switching the range of viewing angles while being able to reduce the cost and thickness of the device, and to provide an electronic appliance having the same. The display device according to the present invention includes: a liquid crystal type display panel having a diffusive reflection part which diffusively reflects light irradiated from the front side while transmitting light from the back side; and a backlight source disposed on a back face of the display panel along the display panel for switchably outputting transmission light of different directivities. | 2009-04-30 |
20090109170 | Method of driving liquid crystal display device - A method of driving a liquid crystal display device includes inputting source image data, each of which has one of m gray level values, wherein m is a natural number, defining T error data from the source image data, wherein the error data have top k gray level values, and T and k are a natural number, generating conversion image data having larger gray level values than the source image data using one having a largest gray level value from the source image data excluding the error data, inputting the conversion image data to a liquid crystal panel, controlling a brightness of a backlight unit in accordance with the conversion image data, forming a bitmap corresponding to the conversion image data, wherein the bitmap shows positional distribution of pixels with the error data, counting error areas by scanning the bitmap, wherein each of the error areas includes the predetermined number of the pixels having the error data, and controlling the T according to the number of the error. | 2009-04-30 |
20090109171 | Display Device and Display Method - A display device having a display panel having an electrophoretic device, and a drive control that controls displaying content on the display panel. The drive control evaluates the display data displayed on the display panel and changes the refresh time interval of the display panel according to the content of the display data. | 2009-04-30 |
20090109172 | ELECTROPHORETIC DISPLAY DEVICE HAVING IMPROVED COLOR GAMUT - An electrophoretic display device has a first substrate that defines a plurality of sub-pixel areas; with shaped pixel electrodes formed in the sub-pixel areas. A second substrate is attached in facing relation to the first substrate during mass production. The second substrate has color filters of different colors (e.g., R, G, B). The areas of the color filters are less than the areas of their corresponding sub-pixel electrodes so as to thereby avoid or reduce a color mixture effect that may arise from mass production misalignment between the first and second substrates. In one class of embodiments, area consumed by the color filters is less than about 75% but more than about 45% of area consumed by respective pixel areas. Each pixel area comprises a white (W) sub-pixel area in addition to the differently colored sub-pixel areas (e.g., R, G, B). | 2009-04-30 |
20090109173 | Multi-function computer pointing device - A first aspect of the present invention includes an N-persistent-mode pointing device and a 2N-mixed-mode pointing device. A second aspect of the present invention is an unconventional method for generating target-motion signals with common motion controls. This method utilizes a qualification-rule-based dynamic mapping of the present invention. A third aspect of the present invention combines the multi-mode designs and the dynamic mapping. | 2009-04-30 |
20090109174 | Method and Apparatus for User Interface in Electronic Devices With Visual Display Units - A system for a 3-D user interface comprises: one or more 3-D projectors configured to display an image of all or one or more parts of a first electronic device in a 3-D coordinate system; one or more sensors configured to sense user interaction with the image and to provide user interaction information; and a processor configured (i) to receive the user interaction information from the one or more sensors; (ii) to correlate the user interaction with the image; and (iii) to operate a second electronic device in a manner responsive to a correlation of the user interaction with the image, wherein the first electronic device has a visual display unit and the image comprises an image of all or one or more parts of the visual display unit of the first electronic device. A method for providing a 3-D user interface comprises: generating an image of all or one or more parts of a first electronic device in a 3-D coordinate system; sensing user interaction with the image; correlating the user interaction with the image; and operating a second electronic device in a manner responsive to a correlation of the user interaction with the image, wherein the first electronic device has a visual display unit and the image comprises an image of all or one or more parts of the visual display unit of the first electronic device. Computer readable program codes related to the system and the method of the present invention are also described herein. | 2009-04-30 |
20090109175 | METHOD AND APPARATUS FOR USER INTERFACE OF INPUT DEVICES - A system for a 3 dimensional (3-D) user interface comprises: one or more 3-D projectors configured to display an image at a first location in a 3-D coordinate system; one or more sensors configured to sense user interaction with the image and to provide user interaction information; and a processor configured (i) to receive the user interaction information from the one or more sensors; (ii) to correlate the user interaction with the image; and (iii) to provide one or more indications responsive to a correlation of the user interaction with the image, wherein the one or more indications comprise displaying the image at a second location in the 3-D coordinate system. A method for providing a 3-D user interface comprises: generating an image at a first location in a 3-D coordinate system; sensing user interaction with the image; correlating the user interaction with the image; and providing one or more indications responsive to a correlation of the user interaction with the image, wherein the one or more indications comprise displaying the image at a second location in the 3-D coordinate system. Computer readable program codes related to the system and the method of the present invention are also described herein. | 2009-04-30 |