| 01st week of 2009 patent applcation highlights part 23 |
| Patent application number | Title | Published |
|---|
| 20090002206 | Noise resistant capacitive sensor - A switch capacitor unit for implementing a capacitive sensor includes a charging switch, a charge transfer switch, and a first switch. The charging switch is coupled between a first supply voltage and a circuit node to selectively couple a sensing capacitor to the first supply voltage through the circuit node. The charge transfer switch is coupled between the circuit node and a first terminal of a second capacitor to selectively couple the sensing capacitor through the circuit node to the second capacitor. The first switch is coupled between the circuit node and a second terminal of the second capacitor to selectively couple the second terminal to the sensing capacitor through the circuit node. | 2009-01-01 |
| 20090002207 | Information Compression/Encoding Device, Its Decoding Device, Method Thereof, Program Thereof, and Recording Medium Containing the Program - The present invention aims to improve the compression ratio of an encoding method using a dictionary for such as LZ77, LZ78 or LZW for a sample string of an audio signal or an image signal. According to the present invention, the samples are aligned from the MSB side ( | 2009-01-01 |
| 20090002208 | Sampling frequency conversion apparatus - In a sampling frequency conversion apparatus, an input sample register stores a predetermined number of input samples as an original sequence of input samples for an interpolative operation. A coefficient generating part prepares a first sequence of interpolative coefficients corresponding to an oversampled sequence of input samples which are obtained by inserting nominal input samples of zero values to the input samples stored in the input sample register, and generates a second sequence of interpolative coefficients which are extracted from the first sequence of the interpolative coefficients and which correspond to the original sequence of the input samples. A convolutional operation part convolutes the second sequence of the interpolative coefficients with the original sequence of the input samples so as to output an interpolated sample. | 2009-01-01 |
| 20090002209 | Method and encoder for encoding a size of a data section and method and decoder for determining a size of a data section - The invention is related to a method for encoding a size of a data section and to an encoder for encoding a size of a data section. The invention is further related to a method for determining a size of a data section and to a decoder for determining a size of a data section. | 2009-01-01 |
| 20090002210 | Analog correction of a phase-mismatch in high-sample rate time-interleaved analog-to-digital converters - A method of phase mismatch correction in high-sample rate time-interleaved analog-to-digital converters (ADC) is provided. An ADC parallel array has an output signal that is processed by a phase-mismatch detector. The detector drives a clock generator control circuit for the ADC array. The clock generator includes a common mode logic (CML) buffer, a CMOS, a non-overlapping generator, a DAC and a decimating low-pass filter. The CML receives a reference clock signal providing source line control (SLC) to the CMOS, the CMOS provides SLC to the DAC that is controlled by the filter which receives a digital control signal from the phase mismatch detector. The DAC provides a corrected timing input to the CMOS that provides the corrected timing signal to the non-overlap generator, where a delay in the clock path is modified and the signal path is unaltered. | 2009-01-01 |
| 20090002211 | Radio Frequency Sigma-Delta-Modulator - A radio-frequency ΣΔ-modulator comprises a first mixer in the forward path for down-converting the signals in this forward path with a local oscillator frequency and a second mixer in the feedback path for up-converting the feedback signal with the same local oscillator frequency. Delays between the two mixing operations cause a loss of gain in the loop of the ΣΔ-modulator. An adjustable amplifier in the feedback path compensates for this loss of gain. | 2009-01-01 |
| 20090002212 | Digital-to-Analogue Converter System with Increased Performance - The invention relates to an N-bit digital-to-analogue converter (DAC) system, comprising—a DAC unit comprising an N-bit master DAC and a slave DAC, yielding a master DAC unit output signal and a slave DAC unit output signal, respectively, said N-bit master DAC having an output step size,—an adder unit combining the master DAC unit output signal and the slave DAC unit output signal, and—a means for storing correction values for at least the master DAC, said correction values being used by the slave DAC, whereby the DAC system is arranged for master DAC output corrections with a size in absolute value higher than half of the output step size. | 2009-01-01 |
| 20090002213 | Method and Apparatus for a High Bandwidth Oscilloscope Utilizing Multiple Channel Digital Bandwidth Interleaving - A method of digitizing an analog signal is provided, comprising the steps of separating the analog signal spanning a frequency range into a plurality of frequency bands, each frequency band spanning a corresponding predefined frequency range, at least a portion of each of the plurality of corresponding frequency ranges not overlapping any other of the plurality of corresponding predefined frequency ranges and then translating at least one of the signals in the plurality of frequency bands to a lower frequency band in accordance with a local oscillator and digitizing the at least one translated signal with digitizing elements having a frequency range less than the analog signal frequency range. A fixed relationship of the phase of the local oscillator and a repetitive signal generated in accordance with a writing to a circular buffer of the digitized representation of the at least one of the plurality of frequency bands is then defined. Signals corresponding to the other of the plurality of frequency bands are digitized and written to corresponding circular buffers in accordance with one or more corresponding local oscillators. Finally, a digital representation of the analog signal is formed from the digitized signals, the digital representation substantially spanning the frequency range of the analog signal, and the digital representation is stored in a computer readable medium. | 2009-01-01 |
| 20090002214 | Filter With Forward Coupling - This disclosure relates to techniques and architecture for summing, sampling, and converting signals associated with a capacitive feedforward filter using a quantizer. | 2009-01-01 |
| 20090002215 | Sample and Hold Circuit for a Current Mode Pipelined Analog-to-Digital Converter - A pipelined current mode analog-to-digital converter, including: a plurality of stages each having a first sample and hold circuit configured to receive an analog signal having a current; the sample and hold circuit having at least first and second outputs; the first output having a current from a current copier configured to copy the analog signal; the second output having a current from a current mirror configured to mirror the analog signal; a current mode analog-to-digital converter configured to create a digital signal from the second output, the second output being connected to an input of the analog-to-digital converter; and a current mode digital-to-analog converter configured to convert the digital signal back to an analog signal, wherein an output of the digital-to-analog converter is subtracted from the first output of the sample and hold circuit. | 2009-01-01 |
| 20090002216 | Method and device for processing an incident signal, in particular for filtering and analogue/digital conversion - The method and device include the filtering and the analog/digital conversion of an intermediate signal. The intermediate signal is processed by a filtering and analog/digital conversion circuit that is configurable using switched passive capacitor technology. The various configurations successively adopted by the circuit provide filtering and analog/digital conversion to be successively carried out. | 2009-01-01 |
| 20090002217 | Touchpad-enabled remote controller and user interaction methods - The handheld case of the remote control unit includes at least one touchpad, and other sensors, such as acceleration sensors, case perimeter sensors, pressure sensors, RF signal sensors. These sensors provide a rich array of sensory inputs that are classified by a pattern recognizer to generate control commands for both the consumer electronic equipment and the remote control unit itself. A power management system to conserve unit battery power is also responsive to the pattern recognizer to allow intelligent power management control. The control system uses the display of the consumer electronic equipment to provide instructions to the user, and the behavior of the remote control system uses what is displayed on the display as context information for pattern recognition. | 2009-01-01 |
| 20090002218 | DIRECTION AND HOLDING-STYLE INVARIANT, SYMMETRIC DESIGN, TOUCH AND BUTTON BASED REMOTE USER INTERACTION DEVICE - A remote control unit selectively transmits a control signal for remotely controlling an electronic device. The unit defines an imaginary cut plane that substantially bisects the unit. The unit includes a plurality of input features collectively disposed symmetrically with respect to the imaginary cut plane. The input features include a first and second input feature. The first and second input features are disposed on opposite sides of the cut plane. Furthermore, the unit includes a sensor that detects a first and second holding position of the unit. The first holding position and the second holding position are substantially opposite to each other. Moreover, the unit includes a controller that associates the control signal with the first input feature when the sensor detects the first holding position, and the controller associates the control signal with the second input feature when the sensor detects the second holding position. | 2009-01-01 |
| 20090002219 | TWO WAY COMMUNICATION BETWEEN AN APPLIANCE AND A REMOTE CONTROL - A method for storing and using information received from a controllable appliance in a controlling device. In response to a detected activation of a key of the controlling device the controlling device transmits a request signal to the controlled appliance for the purpose of retrieving from the controlled appliance data associated with a media tuning state of the controlled appliance, such as a tuned-to channel, CD or DVD track being played, or the like, The controlling device receives from the controlled appliance the media tuning state data and stores the media tuning state data in memory. The media tuning state data stored in the memory of the controlling device may then be used to transmit from the controlling device to the controlled appliance a media tuning command to cause the controlled appliance to replicate the previously captured media tuning state. | 2009-01-01 |
| 20090002220 | Millimeter wave imager with visible or infrared overlay for brownout assist - An imaging system for a rotary aircraft having a millimeter wave imager with visible or infrared overlay. The system includes an active millimeter wave imaging system comprising a millimeter wave transmitter and a millimeter wave phased array receiver for producing millimeter wave images of a landing region, a second imaging system operating at visible or infrared wavelengths to produce visible or infrared images of the landing region, and a processor programmed with a see and remember algorithm for overlaying the visible or infrared images and the millimeter wave images and to save at least one good high-resolution visible or infrared image in case of a brownout event begins to obscuring the visible or infrared images wherein in case of the brownout event the millimeter wave images are overlaid on the at least one good visible or infrared image and not obscured visible or infrared images. | 2009-01-01 |
| 20090002221 | Traffic Alert Police Radar - An enhanced police Doppler direction sensing radar detects possibly dangerous traffic conditions during certain vehicle maneuvers such as U-turns and returns to travel after roadside stops. By monitoring a host or primary vehicle speed, speed transitions, transmission state (e.g. gear selection), and the closing vehicle position, range and speed, a number of selectable conditions are detected, resulting in an alert indication to a primary vehicle operator. User preferences and thresholds allow the traffic alert function to be customized according to a primary vehicle operator's desire to suppress alerts in situations which the user does not deem dangerous. The traffic alert function may be automatically triggered under certain detected conditions, or manually initiated when the primary vehicle operator intends to make a driving maneuver. | 2009-01-01 |
| 20090002222 | Method of estimating target elevation utilizing radar data fusion - A collision avoidance system for reducing false alerts by estimating the elevation of a target, includes short and long range single-dimensional scanning radar sensors having differing ranges and beam angles of inclination, and a digital fusion processor, and preferably includes a locator device, an inclinometer, and a memory storage device cooperatively configured to further perform trend analysis, and target tracking. | 2009-01-01 |
| 20090002223 | Transmit-Receive FM-CW Radar Apparatus - A transmit-receive FM-CW radar apparatus according to one mode of the invention comprises: a mixer for downconverting an IF signal; a switch provided on the input side of the mixer; and a switch controller for controlling the switch on and off in different modes and selecting the IF signal in the different modes for supply to said mixer. A transmit-receive FM-CW radar apparatus according to another mode of the invention comprises: a mixer for downconverting an IF signal; a switch for turning on and off a local signal to be supplied to the mixer; and a switch controller for controlling the switch on and off in different modes and selecting the local signal in the different modes for supply to the mixer. | 2009-01-01 |
| 20090002224 | SAR ATR tree line extended operating condition - A synthetic aperture radar acquires an image of one or more objects and identifies them as targets. The objects are located in the proximity of clutter within the image such of trees, or a tree line. The radar acquires a SAR image having pixels descriptive of the clutter and the object(s). Regions having object pixels are identified within the synthetic aperture image using an object identification (algorithm), where the object identification (algorithm) utilizes one or more historically known target characteristics and one or more measured characteristic to obtain an output. Boundaries are identified for the one or more objects within the output using an object isolation, such as, for example, a Watershed transform. Clutter pixels are identified external to the one or more objects. The clutter pixels are suppressed from the synthetic aperture image thereby generating a clutter reduced image containing the one or more objects. The objects are compared with known images of a probable target until a match is found, the match representing the target identification. | 2009-01-01 |
| 20090002225 | Keeping Accurate Time For A Hybrid GPS Receiver And Mobile Phone When Powered Off - A hybrid navigation satellite receiver and mobile telephone uses only two crystal oscillators. One that operates a master clock around 27-MHz and that consumes milliwatts of power. The other oscillator consumes only microwatts of power and operates continuously on battery power at about 32-KHz. Only the second, low frequency oscillator is kept running during power “off”. On power “restart”, a real-time-clock counter is consulted to cause an estimate of the GPS system time to be regenerated and supplied to the GPS-DSP to quicken its initialization. The master clock is GPS-calibrated, and the accurate clock is used to drive NCO's for the mobile telephone part and host CPU. | 2009-01-01 |
| 20090002226 | POSITION AND TIME DETERMINATION UNDER WEAK SIGNAL CONDITIONS - Described herein are systems and methods that are capable of determining receiver position and system time under weak signal conditions. When the receiver is unable to accurately determine the satellite signal travel time, e.g., due to weak signal reception or some other condition, the receiver can still estimate the pseudo-range for the satellite based on an initial receiver position and system time. In this case, the system and methods described herein provide the necessary initial receiver position and system time with enough accuracy to estimate the pseudo-range, even under weak signal conditions. The receiver can then use the estimated pseudo-range to determine a more accurate receiver position. | 2009-01-01 |
| 20090002227 | HIGH SENSITIVITY GNSS RECEIVER PLATFORM WITH SHARED MEMORY - Provided herein is multi-function platform comprising a plurality of devices and a large memory that is external to the devices and shared among the devices. In an embodiment, a Direct Memory Access (DMA) controller is provided for each device to efficiently transfer data between the device and the shared memory. More than one DMA may be provided for a device. For example, separate DMAs may be provided for different components of a device that perform different subfunctions enabling efficient transfer of data between the different components of the device and the shared memory. In another embodiment, each device comprises a local embedded memory and is provided with a DMA for transferring data between the local memory and the shared memory. Examples of devices that can be included in the platform include a GNSS receiver, a audio player, a video player, a wireless communication device, a routing device, or the like. | 2009-01-01 |
| 20090002228 | PORTABLE TERMINAL - According to one embodiment, a portable terminal includes: a display unit that displays a present location of the portable terminal; a GPS receiver that calculates theoretical precision data determined theoretically by geometric arrangement of plural GPS satellites on the basis of location information of the GPS satellites, and performs a positioning process by which positioning data for indicating the present location of the portable terminal is calculated using arrival time of the radio wave; and a control unit that repeats the positioning process performed by the GPS receiver plural times to calculate a cumulative average of the positioning data, and calculates a difference between the cumulative average of the theoretical precision data and the cumulative average of the positioning data to display a cumulative average of the positioning data, when the difference equal to or less than a predetermined value successively continues predetermined number of times, as the present location of the portable terminal. | 2009-01-01 |
| 20090002229 | ANTENNA ELEMENT AND ANTENNA UNIT CAPABLE OF RECEIVING TWO KINDS OF RADIO WAVES - An antenna element includes a dielectric board, a first antenna radiation electrode formed on a top surface of the dielectric board at an outer region, a second antenna radiation electrode formed on the top surface of the dielectric board at a central portion, a ground electrode formed on a bottom surface of the dielectric board, a feeding pattern formed on the side surface of the dielectric board for feeding to the first antenna radiation electrode by electromagnetic coupling, and a feeding pin having an end connected to the second antenna radiation electrode. A combination of the first antenna radiation electrode, the ground electrode, and the feeding pattern serves as a first antenna portion for receiving a first radio wave. A combination of the second antenna radiation electrode, the ground electrode, and the feeding pin serves as a second antenna portion for receiving a second radio wave. | 2009-01-01 |
| 20090002230 | PSEUDOLITE-BASED PRECISE POSITIONING SYSTEM WITH SYNCHRONISED PSEUDOLITES - Pseudolite-based precise positioning system with synchronised pseudolites that can compute the position of a mobile station with slave pseudolites synchronised to master pseudolite is provided. Therefore pseudolite-based precise positioning system according to present invention does not need correction information of a reference station. A pseudolite-based precise positioning system for computing the position of a mobile station without correction information of a reference station, the pseudolite-based precise positioning system includes: master pseudolite with reference clock of the positioning system; at least one slave pseudolite having digitally controlled numerical controlled oscillator means; mobile station computing the position of itself based on the clock-synchronised signal from the master pseudolite and the slave pseudolite without correction information of a reference station; and clock synchronisation loop filter means having the digitally controlled numerical controlled oscillator means synchronise the clock of the slave pseudolite to the clock of the master pseudolite by transmitting synchronisation information U | 2009-01-01 |
| 20090002231 | METHOD FOR A SPACE-EFFICIENT GPS RECEIVER - In a Global Positioning System (GPS) receiver, rather than storing both GPS satellite ephemeredes and almanacs to the GPS receiver's on-chip non-volatile memory, storing into the non-volatile memory only the more recent ephemeris or almanac data for each satellite. When an ephemeris expires, the parameters in the ephemeris are converted into corresponding parameters of an almanac. The ephemeris or almanac is used to determine whether a given satellite is visible to the GPS receiver. A method of the present invention allows efficient use of the memory space in the non-volatile memory. A study by the inventors shows that differences in positions and velocities of satellites estimated using aged ephemeris and almanac data associated with the same week number are insignificant. | 2009-01-01 |
| 20090002232 | GPS DATA RECORDING APPARATUS AND RELATED METHOD THEREOF - A GPS data recording apparatus includes a storage device and a processing circuit coupled to the storage device. The processing circuit comprises: a sampling module, for sampling a GPS data; and a packet processor, for packetizing the sampled GPS data to generate a data packet to be stored in the storage device, and for unpacketizing the stored data packet from the storage device if necessary. According to present invention, GPS data can be recorded and be replayed as necessary. | 2009-01-01 |
| 20090002233 | METHODS AND APPARATUSES FOR SEARCHING FOR SATELLITE SIGNALS - Methods and apparatuses for searching for satellite signals are provided. One of the proposed methods of searching for satellite signals includes: searching for satellite signals according to measurement predictions; searching for satellite signals of a reference satellite without referring to the measurement predictions; determining if measurements derived from the reference satellite are consistent with the measurement predictions; and searching for satellite signals of other satellites without referring to the measurement predictions if the measurements derived from the reference satellite are determined to be inconsistent with the measurement predictions. If the measurements derived from the reference satellite are determined to be inconsistent with the measurement predictions, navigation information for use in the generation of the measurement predictions is determined to be stale. | 2009-01-01 |
| 20090002234 | Spread Spectrum Software Receiver - A spread spectrum signal receiver comprises a radio signal processing unit, at least partly implemented in software running on a processor. The processing unit determines a candidate collection of subsets of signal sources from a group of potential sources, by the criterion that an anticipated processing intensity required to derive position/time related data from that subset is equal to or less than a maximum specified processing intensity. Each subset contains at least a minimum number of signal sources necessary to produce position/time related data. The processing unit also selects a set of preferred signal sources from a candidate subset, based on a highest estimated quality of the position/time related data attainable during a subsequent operating period for the receiver without exceeding the maximum specified processing intensity. During the subsequent operating period, the receiver receives spread spectrum signals from the selected set of signal sources and produces position/time related data therefrom. | 2009-01-01 |
| 20090002235 | Radio Communication System, Transmission Apparatus, Transmission Method, Program and Recording Medium - Although the beam forming is quite a good scheme, if there exist particularly a plurality of users, the characteristic deterioration occurs in an associated communication line due to the tight radio resource on the reverse line and delay in the transmission time caused by the feedback of information exceeding the required information. The transmitter | 2009-01-01 |
| 20090002236 | Electro optical scanning phased array antenna for pulsed operation - An electro optical scanning phased array antenna having a laser which generates a pulsed output. A microwave source has an output which amplitude modulates the optical output from the laser through an optical modulator. An optical loop circuit has an input connected to an output from the optical modulator and a variable time delay element. The optical loop circuit generates a plurality of modulated optical pulses at equidistantly spaced time intervals from each other at an output from the loop circuit. These time intervals vary as a function of the variable time delay element and a control circuit controls the time delay attributable to the variable time delay element. An antenna array includes end elements while a circuit converts the optical output pulses from the optical loop circuit to radio frequency signals electrically connected to the elements of the antenna array. | 2009-01-01 |
| 20090002237 | METHOD AND DEVICE FOR DETERMINING A POSITION OF A PORTABLE ELECTRONIC DEVICE - A method for determining a position of a portable electronic device is useful for conserving power, processor and bandwidth resources. The method includes detecting at a portable electronic device a first signal received from a local terminal (step | 2009-01-01 |
| 20090002238 | INTER-NETWORK OPERATION OF MULTIPLE LOCATION NETWORKS - The present invention discloses a system and method for allowing a position receiver to determine position solutions from positioning signals from a plurality of autonomous positioning networks, each of which is synchronized to a different timebase. Each of the plurality of autonomous networks comprises one or more positioning-unit device, which is a specialized transceiver capable of receiving and interpreting reference positioning signals from a reference transmitter, a position receiver, another positioning-unit device or all. At least one positioning-unit device within a first autonomous positioning network receives positioning signals from at least one positioning-unit device from a second adjacent autonomous positioning network and measures the timebase difference between the second network and the first network and subsequently calculates a timebase clock correction. The at least one positioning-unit device within the first network incorporates the timebase clock correction into its positioning signals for transmission. Other positioning-unit devices within the first network receive and replay the positioning signals incorporating the timebase clock correction. A position receiver situated near the boundary of two of the plurality of networks receives positioning signals incorporating the timebase clock corrections from any positioning-unit device within the first network and also receives positioning signals from one or more positioning-unit devices from the second network. The position receiver applies the timebase clock correction to the positioning signals received from one or more positioning-unit devices from the second network. The position receiver then calculates its own position using positioning signals from the first network and the second network. Hence, although the positioning signals from the positioning-unit devices from the different networks are synchronized to different timebases, the position receiver is able to use these signals for position solutions. | 2009-01-01 |
| 20090002239 | MICRO-STRIP ANTENNA WITH L-SHAPED BAND-STOP FILTER - A micro-strip antenna includes an L-shaped coupler, a set of micro-strip antennas, and an L-shaped band-stop filter. The set of micro-strip antennas includes at least one rectangular micro-strip antenna unit and a micro-strip line. The rectangular micro-strip antenna unit is coupled to the micro-strip line. The micro-strip line is coupled to the first end of the coupler. The band-stop filter is disposed along a corner of the rectangular micro-strip antenna unit, and is disposed between the antenna unit and the coupler without being physically connected to the antenna unit and the coupler. The width, length, and position of the L-shaped band-stop filter can be determined for the specific band-stop frequency and to optimize its coupling extent with the L-shaped coupler. | 2009-01-01 |
| 20090002240 | ANTENNA STRUCTURES HAVING ADJUSTABLE RADIATION CHARACTERISTICS - The radiation properties and wave guiding properties of frequency selective surfaces are used in conjunction with closely spaced antenna elements to fabricate antenna structures having adjustable radiation characteristics. The direction, magnitude, and polarization of radiation patterns for such antenna structures can be adjusted by varying the texture or patterning of layers of conducting material forming the frequency selective surfaces. The invention enables the fabrication of low profile antenna structures that can easily be conformed or integrated into complex surfaces without sacrificing antenna performance. | 2009-01-01 |
| 20090002241 | Dual band WLAN antenna - An antenna system includes first and second antennas that are arranged on a substrate and that include an arc-shaped element having a concave side and a convex side, a conducting element that extends substantially radially from a center of said concave side, and a U-shaped element having a base portion with a center that communicates with said conducting element and two side portions that extend from ends of said base portion towards said concave side. Third and fourth antennas are arranged on said substrate and include an inner ring and an outer ring that is concentric to said inner ring. | 2009-01-01 |
| 20090002242 | Housing for a portable electronic device - A housing for a portable electronic device including a housing portion; and an antenna element embedded within the housing portion, and operable at a resonant frequency, wherein the antenna element includes at least one folded portion and has a thickness substantially equal to at least four skin depths at the resonant frequency. | 2009-01-01 |
| 20090002243 | Multi-Band Antenna Device For Radio Communication Terminal And Radio Communication Terminal Comprising The Multi-Band Antenna Device - A multi-band radio antenna device ( | 2009-01-01 |
| 20090002244 | BUILT-IN ANTENNA APPARATUS AND PORTABLE TERMINAL HAVING THE SAME - A built-in antenna apparatus and a portable terminal including the same are provided. The apparatus includes a substrate, an antenna carrier, a plate type antenna radiator operating in at least one resonance band, and at least one sub antenna radiator. The substrate has a feeding pad for electrically coupling with a Radio Frequency (RF) connector. The antenna carrier for establishing preset distance from the substrate. The plate type antenna radiator is disposed on the antenna carrier. The sub antenna radiator is electrically coupled with the plate type antenna radiator. | 2009-01-01 |
| 20090002245 | DUAL OFFSET REFLECTOR SYSTEM UTILIZING AT LEAST ONE GIMBAL MECHANISM - A dual offset reflector system is disclosed. The system comprises a main reflector, a subreflector, a first gimbal mechanism for positioning of the subreflector. The system includes at least two feeds for receiving beams from the main reflector and the subreflector. One of the feds is at a focal point of the system and the other beam is displaced from the focal point. Accordingly, a simple solution to restore antenna gain reduction and avoid beam distortion due to the scan loss for a reflector system is provided that utilizes multiple feeds at different frequencies and polarizations. By placing the feeds at focal point trajectory of the subreflector whose positioning is controlled by a gimbal mechanism, a system is provided that minimizes distant and scan loss in a dual reflector system. The gimbal mechanism positions the subreflector so that a desired feed is in the focal point of the subreflector. | 2009-01-01 |
| 20090002246 | Antenna and splitter for receiving radio and remote keyless entry signals - An antenna system may include a first antenna having a helical shaped portion, and configured to receive signals over a first frequency range. A second antenna may be positioned in proximate distance from the first antenna, and be configured to receive signals over a second frequency range. A splitter may be configured for separating signals received from radio and remote keyless entry antennas and may include a first branch including a first filter to filter AM band signals from communications signals received from an antenna, a second branch including a second filter to filter FM band signals from communications signals received from the antenna, a third branch including a third filter to filter remote keyless entry signals from communications signals received from the antenna, and an amplifier to amplify the remote keyless entry signals. The filters may be passive filters. The antenna maybe a whip antenna or roof antenna. | 2009-01-01 |
| 20090002247 | Transmitting and/or Receiving Device Which Can be Applied to Garments and Garment Thus Obtained - The invention relates to a transmitting and/or receiving device which can be applied to garments and to the garment thus obtained. The aforementioned garments comprise at least one fabric or non-woven fabric having a maximum degree of elasticity. According to the invention, the transmitting and/or receiving device ( | 2009-01-01 |
| 20090002248 | Half-and Quarter-Wavelength Printed Slot Ultra-Wideband (Uwb) Antennas for Mobile Terminals - The present invention employs slot antennas to make UWB antenna and a quarter-wavelength slot UWB antenna for use in mobile terminals. The slot length, which is related to the lower resonant frequency, is about half (for the half-wavelength slot antenna) or quarter (for the quarter-wavelength slot antenna) of the wavelength, while the higher resonant frequency is related to a dimension of the tuning stub. By modifying the dimensions of the tuning stub, good impedance matching of the antenna can be achieved according to the desired operating frequency. This invention can be used for mobile terminals to transmit and receive UWB signals in the frequency range of 3.1 GHz-4.9 GHz. | 2009-01-01 |
| 20090002249 | Heptagonal antenna array system - An antenna system includes a heptagonal antenna array having one center antenna element and seven circumferentially surrounding antenna elements offering improved near and far sidelobe rejection, which is well suited for mechanically-gimbaled and time delayed electrical steering antenna applications. | 2009-01-01 |
| 20090002250 | DIFFERENTIALLY-FED VARIABLE DIRECTIVITY SLOT ANTENNA - With a differential feed line | 2009-01-01 |
| 20090002251 | Wideband antennas - The invention relates to a dipole type wideband antenna comprising a substrate presenting two faces, a first conductive arm, a second conductive arm placed on the substrate, a feeder line supplying the second arm passing under the first arm. | 2009-01-01 |
| 20090002252 | TURNSTYLE ANTENNA ELEMENT - An improved antenna radiating element for a Super-turnstile antenna is provided. The radiating element includes an intermediate conductive rod having an upper terminating rod connected thereto proximal to an upper end thereof and a lower terminating rod connected thereto proximal to a lower end thereof. The terminating rods extend a distance of approximately 0.1 substantially perpendicular to and out from the conductive rod. Each terminating rod further includes a tail section that extends inwardly and substantially parallel to the intermediate conductive rod a distance of approximately 0.25. | 2009-01-01 |
| 20090002253 | Multipurpose Antenna Configuration for a Contactless Data Carrier - In an antenna configuration ( | 2009-01-01 |
| 20090002254 | Circularly or Linearly Polarized Antenna - The invention relates to an antenna that produces a radiation pattern that is axisymmetric about a geometrical axis (X) and exhibits a radiation maximum in a plane perpendicular to the direction of said X axis that includes a feed wire extending along said axis (X) from a first end situated level with a conducting surface forming an earth plane of the antenna to a second end that feeds a set of N radiating strands, N being an integer, characterized in that it also includes at least one earth return rod for the strands, said rod linking one of the radiating strands of the set to the earth plane. | 2009-01-01 |
| 20090002255 | MATCHING DEVICE AND ANTENNA MATCHING CIRCUIT - A battery portion (BAT) or another type of voltage shift portion is provided for shifting a control voltage (V | 2009-01-01 |
| 20090002256 | Antenna Device - A hinge portion is formed on the base portion. An antenna portion is attached to the hinge portion so as to be pivotable thereabout. The hinge portion includes a hinge base having a first shaft formed on one end thereof, a second shaft formed on the other end thereof, and a first protrusion formed on an outer periphery of the second shaft, and a hinge bush rotatably mounted on the first shaft and engaged with the antenna portion. The antenna portion is formed with a hole surrounding the outer periphery of the second shaft. A projection is formed on an inner periphery of the hole. The first protrusion is brought into contact with the projection when the antenna portion is pivoted so as to define a predetermined angle with respect to the base portion. | 2009-01-01 |
| 20090002257 | PRECISION FLEXIBLE SUPPORT STRUCTURE - This document discloses, among other things, an inflatable apparatus having a plurality of attachment points. The apparatus can be collapsed, and when distended, the attachment points are dimensionally stable with varying applied pressure. | 2009-01-01 |
| 20090002258 | EXTENDIBLE ANTENNA STRUCTURE AND SWITCHING ARRANGEMENT THEREFOR - A mobile communication device ( | 2009-01-01 |
| 20090002259 | Switch arrangement - A single pole N throw (SPNT) switch arrangement including: a pole, one or more throw nodes and a switch mechanism arranged to connect the pole and a first throw node in response to a first signal and to disconnect the pole and the first throw node in response to a second signal; an interconnect, for providing the first signal, arranged for connection to the pole when providing the first signal; and a dc power source arranged to control a dc bias applied to the interconnect to provide the first signal | 2009-01-01 |
| 20090002260 | EZ fit antenna base (side mount) - An apparatus for securing an antenna to a surface by the use of an antenna mount with internal cabling routing, which prevents any cables from showing. With only one through hole required at the time of installation. A unique way to eliminate water penetration by the use of O rings, and gaskets clamped to the surface by a simple process, and therefore eliminating troublesome holes made by screws. While allowing free movement of the antenna for raising and lowering purposes. one nut installation that can be performed by a single relatively unskilled person. Simple to manufacture with a minimal number of parts. with a beautiful streamlined appearance, that can be used for mounting almost any standard antenna. | 2009-01-01 |
| 20090002261 | Alignment Unit for Directional Radios, In Particular Directional Radio Antennas - An alignment unit, which is of simple and robust design and can be adjusted well, for directional radios, in particular directional radio antennas, is distinguished by two attachment brackets, which are articulated on a common centre part such that they can pivot about two mutually orthogonal swivel axes, as well as two operating units for separate adjustment and fixing of the pivoting angle of the two attachment brackets relative to the centre part. | 2009-01-01 |
| 20090002262 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS FOR DISPLAYING THREE-DIMENSIONAL IMAGE - In an apparatus for displaying a three-dimensional image, sub-pixels having color components are arranged in a longitudinal direction and in a lateral direction in a matrix form, in a display section for displaying a flat image, and a light ray control element is disposed so as to be opposed to the display section. In the light ray control element, linear optical openings extending in a vertical direction are arranged in the lateral direction. A sum of opening area lengths of opening areas of a plurality of sub-pixels adjacent to each other in a horizontal direction is varied in a single row, and the sum thereof in a plurality of rows becomes constant. Further, an arrangement of the sub-pixels is a color arrangement of a mosaic arrangement or a lateral stripe arrangement. | 2009-01-01 |
| 20090002263 | Providing a Composite Display - A composite display across multiple display means. A host computer system hosts an application capable of generating a graphics output and a plurality of rendering servers are provided, each connected to a display means for displaying a portion of the graphics output. A device driver includes means for encoding operating system primitive 2D drawing operations generated by the application on the host computer system into a wire protocol for sending to the rendering servers for execution. The rendering servers each include a graphics rendering device which renders the drawing operations in parallel with the other rendering devices. | 2009-01-01 |
| 20090002264 | DISPLAY APPARATUS AND METHOD FOR DRIVING DISPLAY PANEL THEREOF - A display apparatus and a method for driving a display panel thereof are provided. Each column of data line in the display panel has tow sub-data lines. The driving method is described as follows. An input image signal is divided into a plurality of image segments, and each of the image segments has display data of pixels coupled to two adjacent scan lines. Every K image segments are defined as a group. An image signal is formed by inserting a reset data in each group of image segments. Display data of a first group are written in K batches according to a first start wave. After a predetermined time from the first start wave, the scan lines corresponding to the first group are driven at the same time according to a second start wave, and the reset data is output to the first sub-data lines and the second sub-data lines. | 2009-01-01 |
| 20090002265 | Image Display Device and Image Display System - An image display device and an image display system which can establish visible light communication without interfering with an image displayed at a predetermined frame rate are provided. A controller | 2009-01-01 |
| 20090002266 | THREE-DIMENSIONAL DISPLAY ARTICLE - An article is provided in one embodiment of the invention. The article includes a display structure having a height, a width, and a thickness that define a volume. The display structure further includes components that emit light to generate a three-dimensional image within the volume. The display structure includes a stack. The stack includes at least one layer. The layer includes a substrate, the components that emit light and a controller. The components that emit light may each be secured to the substrate. The controller may be secured to the substrate. The controller may control the components that emit light to generate a three-dimensional image within the volume. The controller may be connected to two or more of the organic electronic devices. The components that emit light may include organic electronic devices. The components that emit light may include a light-emitting nano-wire device. The layer may include at least one sub-layer capable of emitting red light, at least one sub-layer capable of emitting blue light, and at least one sub-layer capable of emitting green light, and at least one layer that is capable of reversibly opacifying. | 2009-01-01 |
| 20090002267 | ELECTRONIC DISPLAY - An electronic display includes a display unit for displaying both a two-dimensional image and a three-dimensional image, and a barrier facing the display unit to convert an image into the two-dimensional or three-dimensional image. The barrier includes first and second substrates facing each other, a plurality of first electrodes on the first substrate, an insulation layer on the first substrate and covering the first electrodes, a plurality of second electrodes on the insulation layer, and a liquid crystal layer disposed between the first and second substrates. The first electrodes are aligned with gaps between the second electrodes and the second electrodes are aligned with gaps between the first electrodes. Widths of the first electrodes may be equal to or greater than the gaps between the second electrodes. Widths of the second electrodes may be equal to or greater than the gaps between the first electrodes. | 2009-01-01 |
| 20090002268 | Display Control Device, Display Device, and Display Method - A display control device enables to conduct control of automatically switching a display image in a prescribed direction of a plurality of viewing directions to a content or a status desired by a user on a display unit which can display individual images in a plurality of viewing directions on a common screen. The display control device (control unit | 2009-01-01 |
| 20090002269 | System and Method for Providing a Floating Alphanumeric/Graphical Display without Moving Electronics - A system and method for providing a floating display without moving electronics is provided. The mechanisms include a stationary array of light emitting elements and a moving reflective element. As the reflective element rotates, oscillates, or otherwise moves in a path relative to the array of light emitting elements, a controller controls the illumination, i.e. the pulsing on and off, of the light emitting elements based on a timing of the movement of the reflective element so as to achieve a desired image, alphanumeric message, graphical display, animated display, or the like. In this way, the electronics used to generate the floating display are kept stationary while the reflective element is moved along a path of motion to generate the floating image. This reduces the complexity and cost of the electronics needed to generate a floating image. | 2009-01-01 |
| 20090002270 | Composite display - A composite display is disclosed. A first paddle has a first plurality of pixel elements wherein the first paddle is arranged to sweep out a first area during a first paddle cycle. A second paddle has a second plurality of pixel elements wherein the second paddle is arranged to sweep out a second area during a second paddle cycle and wherein the first and second areas include first and second nonoverlapping portions. A first pixel element on the first paddle is configured to be activated when the first pixel element coincides with a first image pixel. A second pixel element on the second paddle is configured to be activated when the second pixel element coincides with a second image pixel. An image corresponding to the first and second image pixels is represented on the composite display by activating the first and second pixel elements. | 2009-01-01 |
| 20090002271 | Composite display - A composite display is disclosed. In some embodiments, a composite display comprises a set of one or more paddles, a plurality of pixel elements installed on each paddle, and an optic configured to substantially collimate light attached to a surface of each pixel element. In some embodiments, a diffuser film is mounted in front of the set of paddles, wherein the diffuser film diffuses incident collimated light from the pixel elements. | 2009-01-01 |
| 20090002272 | Composite display - A composite display is disclosed. In some embodiments, a composite display comprises a compound paddle comprising a plurality of components and configured to sweep out an area. A plurality of pixel elements is mounted on at least one component of the plurality of components. Selectively activating one or more of the plurality of pixel elements while the compound paddle sweeps the area causes at least a portion of an image to be rendered. | 2009-01-01 |
| 20090002273 | Data flow for a composite display - A system for generating a display is disclosed. The system includes a base on which one or more paddles are mounted, wherein each paddle includes a plurality of pixel elements and is configured to sweep out an area during a paddle cycle, a processor configured to generate a script based at least in part on a pixel map and an image, and a pixel element driver configured to receive at least a portion of the script and activate a pixel element on a paddle when the pixel element coincides with an image pixel of the image. At least a portion of the image is represented on the display by activating the pixel element. | 2009-01-01 |
| 20090002274 | OPTICALLY WRITABLE DISPLAY MEDIUM, OPTICAL WRITING DEVICE, AND IMAGE DISPLAY APPARATUS - An optically writable display medium, which includes a display layer, a photoconductor layer and a pair of electrodes, is provided. The display layer is capable of selectively reflecting incident light in response to an applied voltage and it has memory capability. Electrical resistance of the photoconductor layer changes in response to writing light with which the photoconductor layer is irradiated. The pair of electrodes are disposed such that the display layer and the photoconductor layer are interposed therebetween, with at least one of the electrodes having plural segmented electrodes juxtaposed along a predetermined direction. Each power receiving terminal of the plural segmented electrodes is disposed such that part of a region of the power receiving terminal of each segmented electrode overlaps, in the predetermined direction, but does not contact part of a region of the power receiving terminal of the segmented electrode that is adjacent thereto. | 2009-01-01 |
| 20090002275 | Image transfer device and method thereof, and computer readable medium - There is provided with an image transfer device which communicates with a screen display device displaying image data on a screen thereof, including: an image data generator configured to generate image data corresponding to a plurality of divided areas into which the screen is divided, respectively; a data compression processor configured to compress generated image data corresponding to respective divided areas by using dictionary data obtained based on a predetermined amount of image data compressed in the past corresponding to the respective divided areas so that compressed image data corresponding to the respective divided areas are generated; and a data transmission unit configured to transmit the compressed image data corresponding to the respective divided areas to the screen display device. | 2009-01-01 |
| 20090002276 | METHOD OF DRIVING PLASMA DISPLAY PANEL - A plasma display panel driving method permitting to improve dark contrast without causing erroneous discharge. A forced address discharge is executed with respect to a discharge cell positioned adjacent to said one discharge cell, in each of the discharge cells belonging to a display line to be addressed immediately before a display line, to which belongs at least one discharge cell to effect the address discharge in accordance with an input video signal (pixel drive data). | 2009-01-01 |
| 20090002277 | PLASMA DISPLAY PANEL DEVICE - The present invention relates to a plasma display panel device. The plasma display panel device includes a set-up period, a first set-down period, and a second set-down period in this order. During the set-up period, a voltage of a reset signal gradually rises. During the first set-down period, the voltage gradually falls down from a positive voltage. During the second set-down period, the voltage falls down to a negative voltage. | 2009-01-01 |
| 20090002278 | Plasma display and driving method thereof - A plasma display device, which gradually increases the current to the panel capacitors is disclosed. The display uses an inductor to reduce the current spike which would otherwise occur and create large electromagnetic interference. | 2009-01-01 |
| 20090002279 | Plasma display device and control method thereof - A plasma display device is provided which expresses a video with gradations by selecting each of a plurality of subfields forming one field, each of the subfields having a weighted number of sustain pulses. A sustain pulse number calculation unit calculates a display load factor of an input video signal and calculates a total number of sustain pulses of one field according to the display load factor. A gradation number selection unit selects a gradation number being a sum of weights of all of the subfields according to the calculated total number of sustain pulses. | 2009-01-01 |
| 20090002280 | ORGANIC LIGHT EMITTING DEVICE AND METHOD OF DRIVING THE SAME - An organic light emitting device and a method of driving the same are disclosed. The organic light emitting device includes a display unit including a pixel including a plurality of subpixels, a scan driver connected to the display unit to supply a scan signal to the pixel, a data driver connected to the display unit to supply a data signal to the pixel, a switch unit positioned between one output terminal of the data driver and the subpixel, and a controller supplying a control signal for controlling turn-on/off operations of the switch unit to the switch unit. The switch unit includes a plurality of switches. One of the plurality of switches is turned on during an n-th scan period, maintained in a turn-on state, and turned off during an (n+1)-th scan period. | 2009-01-01 |
| 20090002281 | ACTIVE MATRIX ORGANIC ELECTROLUMINESCENCE DISPLAY AND ITS GRADATION CONTROL METHOD - An active matrix organic electroluminescence(EL) display comprises plural selection and data lines mutually crossed, and a pixel circuit connected to the selection and data lines and having switching devices, a storage capacitor and an organic EL device. In a part of a period that the pixel circuit connected to the selection line is being selected, an applied first data signal is held as a voltage at the storage capacitor of the selected pixel circuit. After the selection signal applying, a first current according to the held voltage is supplied to the organic EL device, and this emits light at luminance according to the first current. In another part of the period, a second current according to an applied second data signal is supplied to the organic EL device of the selected pixel circuit, and this emits light at luminance according to the second current. | 2009-01-01 |
| 20090002282 | EL display panel, power supply line drive apparatus, and electronic device - Disclosed herein is an electroluminescence display panel including: a pixel circuit; a signal line; a scan line; a drive power supply line; a common power supply line; a power supply line drive circuit; a high-potential power supply line; and a low-potential power supply line. | 2009-01-01 |
| 20090002283 | Organic electroluminescent device - An organic electroluminescent device comprises: a substrate; a display unit located on the substrate and including a plurality of subpixels; a sealing region located at the outer periphery of the display unit and defined to form a sealing member; and a plurality of wiring lines connected to the display unit and disposed on the lateral side of the display unit, more than a part of the plurality of wiring lines located in a sealing member forming region, among the plurality of wiring lines, has a narrow line width which is 10 to 50% of that of the wiring lines located in other regions. | 2009-01-01 |
| 20090002284 | Image Display Apparatus - It is an object of the invention to provide an image display apparatus in which noticeability of image persistence of a self-luminous device can be suppressed to a low level without performing an electric control and by a simple configuration. | 2009-01-01 |
| 20090002285 | IMAGE DISPLAY APPARATUS - An image display apparatus includes an image display unit having a light source and a light modulating unit; a histogram generating unit; a function generating unit; a first brightness calculating unit; a second brightness calculating unit; a first difference calculating unit; a first multiplying unit; a first summation calculating unit; a first brightness gradient calculating unit; a second brightness gradient calculating unit; a second difference calculating unit; a second multiplying unit; a second summation calculating unit; a weighted linear sum calculating unit; a determination unit; a control parameter selecting unit; and a control unit. | 2009-01-01 |
| 20090002286 | INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING ORGANIC EL DISPLAY DEVICE - An information processing apparatus includes: an organic EL display device that displays an image with a plurality of pixels; and a controller that controls the organic EL display device to lower a brightness of the organic EL display device from a first brightness to a second brightness and to invert light-emitting pixels and non-light-emitting pixels among the pixels. | 2009-01-01 |
| 20090002287 | Light-emitting device and image forming apparatus - A light-emitting device has a plurality of pixel circuits arranged in one direction, each of the plurality of pixel circuits having a light-emitting element that emits light according to the amount of driving current, a driving transistor that supplies the driving current to the light-emitting element, a holding transistor that supplies a data signal supplied via a data line to the driving transistor, and a connecting line that connects the driving transistor to the holding transistor. The holding transistor, the light-emitting element, and the driving transistor are arranged in a direction crossing the arrangement direction of the plurality of pixel circuits. The light-emitting element is provided between the holding transistor and the driving transistor. | 2009-01-01 |
| 20090002288 | Luminance balancing - A composite display is disclosed. In some embodiments, a composite display comprises a paddle configured to sweep out an area and a plurality of pixel elements mounted on the paddle. Selectively activating one or more of the plurality of pixel elements while the paddle sweeps the area causes at least a portion of an image to be rendered. In some embodiments, a characteristic of at least one pixel element of the plurality of pixel elements that is associated with balancing luminance across at least a portion of the composite display associated with the paddle is based at least in part on a radial distance of the one pixel element from an axis of rotation of the paddle. | 2009-01-01 |
| 20090002289 | Composite display - A composite display is disclosed. In some embodiments, a composite display comprises a paddle configured to sweep out an area and a plurality of pixel elements mounted on the paddle. Selectively activating one or more of the plurality of pixel elements while the paddle sweeps the area causes at least a portion of an image to be rendered. In some embodiments, at least one pixel element of the plurality of pixel elements is mounted on an edge of the paddle such that at least a portion of the at least one pixel element extends beyond the edge of the paddle. | 2009-01-01 |
| 20090002290 | Rendering an image pixel in a composite display - Rendering an image pixel in a composite display is disclosed. In some embodiments, an image pixel is mapped to a plurality of temporal pixels, and the image pixel is rendered in a composite display using at least a subset of the plurality of temporal pixels to which it is mapped, with the intensity of the image pixel spread across the subset of temporal pixels. | 2009-01-01 |
| 20090002291 | Liquid crystal display and driving method thereof - A liquid crystal display includes a liquid crystal display panel including a plurality of data lines, a plurality of gate lines crossing the plurality of data lines, and a plurality of liquid crystal cells, a timing controller to determine gray levels of input digital video data and a time when a polarity of a data voltage to be supplied to the data lines is inverted, and to generate a dynamic charge share control signal when the gray level of the data voltage is changed from a white gray level to a black gray level and the polarity of the data voltage is inverted, a data driving circuit to convert the digital video data from the timing controller into the data voltage, changing the polarity of the data voltage, and supplying any one of a common voltage and a charge share voltage to the data lines in response to the dynamic charge share control signal, and a gate driving circuit to sequentially supply scan pulses to the gate lines under the control of the timing controller. | 2009-01-01 |
| 20090002292 | Liquid crystal display and driving method thereof - A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data to selectively invert the current data and to generate a reverse signal, a memory to store the data from the data transition part and to output the stored data as the previous frame data, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data, and a display drive circuit to display the data from the lookup table on a liquid crystal display panel. | 2009-01-01 |
| 20090002293 | Composite display - A composite display is disclosed. In some embodiments, a composite display comprises a paddle configured to sweep out an area and a plurality of pixel elements mounted on the paddle. Selectively activating one or more of the plurality of pixel elements during a fractional rotation of the paddle within its sweep area causes an image to be rendered. | 2009-01-01 |
| 20090002294 | HORIZONTAL ELECTRIC FIELD-TYPE LIQUID CRYSTAL DISPLAY PANEL - A horizontal electric field-type liquid crystal display panel includes a plurality of scanning lines that are disposed parallel to each other, a common wiring, a plurality of signal lines that are disposed in a direction for intersecting the plurality of scanning lines, a switching element that is disposed near an intersection between the scanning line and the signal line, a first electrode formed in an area partitioned by the scanning line and the signal line, and a second electrode that is formed to be overlapped with the first electrode though an insulation film disposed on the first electrode and has a plurality of slits in the shape of a stripe. A shield electrode formed of a conductive material is formed on the surface of the insulation film disposed on the scanning line, and the shield electrode is connected to the common wiring through a contact hole formed on the common wiring. | 2009-01-01 |
| 20090002295 | ELECTRO-OPTICAL APPARATUS, METHOD OF DRIVING SAME, AND ELECTRONIC APPARATUS - One field is divided into p (p is an integer of 2 or more) groups and each of the divided groups is divided into two subfields. The p groups have the same time period. The sub-fields forming one field have time periods that are different from each other. A plurality of scanning lines are divided into at least first and second groups. A field start timing of pixels corresponding to the scanning lines of the first group is set to be different from a field start timing of pixels corresponding to scanning lines of the second group by at least the time period of the groups. | 2009-01-01 |
| 20090002296 | Display apparatus - A display apparatus includes a DSD for outputting a digital video signal and a wiring board. The wiring board includes a first wiring portion in which signal lines used to transmit the digital video signal output from the DSD are disposed, a signal generation circuit for generating drive voltage signals, and a second wiring portion in which signal lines used to transmit the drive voltage signals to a panel substrate are disposed. In the first wiring portion, a detection signal line used to transmit the drive voltage signals to the DSD is disposed. In the signal generation circuit, an output wiring portion including output lines used to transmit the drive voltage signals to the signal lines in the second wiring portion and a detection line having one end connected to the detection signal line and the other end connected to the output lines via switches are disposed. | 2009-01-01 |
| 20090002297 | IMAGE DISPLAY DEVICE - In an image display device, each frame image in input image signals is divided into multiple subfield images according to the number of pixels to be shifted by a pixel shifting part ( | 2009-01-01 |
| 20090002298 | Display Apparatus - A display apparatus includes a luminance compressing section, a luminance extending section, and a W calculating section. The luminance compressing section subjects three color signals to luminance compression according to a luminance in a preceding frame, and outputs compressed color signals. The luminance extending section outputs luminance extended and converted color signals of respective three colors. Each of the luminance extended and converted color signals is obtained by subtracting a corrected minimum luminance value from a luminance extended color signal which is obtained by subjecting the compressed color signal to luminance extension at a luminance extending rate S in accordance with a function F(t). The function F(t) has as a variable a ratio t of a minimum luminance value to a maximum luminance value of the compressed color signals. The corrected minimum luminance value is obtained by multiplying the minimum luminance value by a coefficient k. The W calculating section outputs the minimum luminance value as a white signal. The function F(t) has a constant according to light emitting efficiencies of four color picture elements. The coefficient k is set so that a luminance of the W (white) color signal becomes equal to or less than a minimum luminance of the luminance extended and converted color signals of the three colors. | 2009-01-01 |
| 20090002299 | Computer System Display Driving Method and System - An image display system includes an LCD (liquid crystal display) or other display driven by alternating current and driven in an inverted manner by a predetermined driving method on a pixel basis, and an LCD driving device for generating a Frame Rate Control (FRC) pattern which is the same as the pattern utilized by the predetermined driving method. The display is thereby driven so as to allow the display to make an expression in gradations higher (for example, 256 gradations) than gradations (for example, 64 gradations) natively supported by the display. | 2009-01-01 |
| 20090002300 | System and method to drive display matrix - A system and method to drive display matrix, comprising: a voltage level generator to provide predetermined voltages, a row voltage selector to select a group of voltages from the voltage level generator depending on select vector to drive row drivers, a column voltage selector to select a group of voltages from the voltage level generator depending on data vector to drive column drivers, and a controller to generate control signals to scan the display as dictated by addressing technique. | 2009-01-01 |
| 20090002301 | Liquid crystal display and driving method thereof - A liquid crystal display includes a liquid crystal display panel having a plurality of data lines, a plurality of gate lines, and a plurality of liquid crystal cells, a timing controller to determine gray levels of input digital video data and a time at which a polarity of a data voltage to be supplied to the data lines is inverted and generate a dynamic charge share control signal to indicate a time at which the gray level of the data voltage is changed from a white gray level to a black gray level and a time at which the polarity of the data voltage is inverted, and to detect weakness patterns in which the data of the white gray level and the black gray level are regularly arranged in the input digital video data and generate a dot inversion control signal for widening a horizontal polarity inversion time of data voltages to be supplied to the data lines when the weakness patterns are input, a data driving circuit to convert the digital video data from the timing controller into the data voltage, change the polarity of the data voltage, supply any one of a common voltage and a charge share voltage between a positive data voltage and a negative data voltage to the data lines in response to the dynamic charge share control signal, and widen the horizontal polarity inversion time of the data voltages in response to the dot inversion control signal, and a gate driving circuit to sequentially supply a scan pulse to the gate lines under the control of the timing controller, wherein the liquid crystal display panel includes first and second liquid crystal cell groups whose polarity is inverted every 2 frame periods, and a polarity inversion time of the first liquid crystal cell group and a polarity inversion time of the second liquid crystal cell group overlap. | 2009-01-01 |
| 20090002302 | Liquid crystal display and driving method thereof - A liquid crystal display includes a liquid crystal display panel having a plurality of data lines, a plurality of gate lines crossing the plurality of data lines, and a plurality of liquid crystal cells, a timing controller to determine gray levels of input digital video data and a time at which a polarity of a data voltage to be supplied to the data lines is inverted, to activate a dynamic charge share control signal to indicate a time at which the gray level of the data voltage is changed from a white gray level to a black gray level and a time at which the polarity of the data voltage is inverted, to detect weakness patterns in which the data of the white gray level and the black gray level are regularly arranged in the input digital video data, and to activate a dot inversion control signal for widening a horizontal polarity inversion period of data voltages to be supplied to the data lines when the weakness patterns are input, a data driving circuit to convert the digital video data from the timing controller into the data voltage, to convert the polarity of the data voltage, to supply any one of a common voltage and a charge share voltage between a positive data voltage and a negative data voltage to the data lines in response to the dynamic charge share control signal, and to widen the horizontal polarity inversion period of the data voltages in response to the dot inversion control signal, and a gate driving circuit to sequentially supply a scan pulse to the gate lines under the control of the timing controller. | 2009-01-01 |
| 20090002303 | Liquid crystal display capable of compensating common voltage signal thereof - An exemplary liquid crystal display includes a liquid crystal panel having a plurality of pixel units arranged in rows, a scanning circuit configured to activate the pixel units row by row by outputting a plurality of corresponding scanning signals, a data circuit configured to provide data voltage signals to the activated pixel units, and a common voltage circuit. Each pixel unit includes a coupling member. When a row of pixel units is activated, all the coupling members in the row of pixel units cooperatively generate a coupling signal according to the data voltage signals applied to the activated row of pixel units, and superpose the coupling signal to the corresponding scanning signal so as to form a feedback signal. The common voltage circuit adjusts a reference voltage signal according to the feedback signal, and provides at least one common voltage signal to the pixel units. | 2009-01-01 |
| 20090002304 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a data driver, a gate driver and a liquid crystal display panel having a plurality of pixels and a plurality of pixel memories. According to embodiments of the present invention, the pixels and the pixel memories are configured to reduce power consumption of pixels displaying still images and improve image quality of the liquid crystal display. | 2009-01-01 |
| 20090002305 | Liquid crystal display with common voltage generator for reducing crosstalk - An exemplary liquid crystal display ( | 2009-01-01 |
