Abstract: The present disclosure provides a system for converting differential-GPS signals to a format suitable for input to a conventional GPS receiver and combining the converted signal with GPS ranging signals. The combined signals are provided to a conventional GPS receiver via a cable. Circuitry for converting the augmentation signal and combining it with a GPS signal are co-located in a housing which supports both a standard GPS antenna and a differential GPS augmenting signal antenna.

Abstract: A satellite positioning system (SPS) antenna aiding device (100) includes an SPS receiver (102), an environmental sensor (106) to determine a heading value, a tilt value, or an acceleration value, and a processor (104). The processor can be programmed to determine (306) heading, determine (304) an estimated direction of peak antenna gain in relation to satellites in view, and prioritize (308) acquisition attempts of a portion of satellites in view based on the estimated direction of peak antenna gain and environmental data. The processor can perform (310) a split search with correlators split between searches for satellites with assumed peak gain using a shorter dwell time and longer dwell time searches for satellites with lower gain. The device can electronically present (312) an orientation guide to a user based on the estimated direction of peak antenna gain and in view of the heading of the SPS receiver.

Abstract: A method of tracking an object using a mobile transceiver carried by the object, the method comprising the steps of receiving, at a computer, location information from the mobile transceiver; computing a predicted location of the mobile transceiver from the location information; and forwarding the predicted location to a user.

Abstract: A UWB flat antenna apparatus is disclosed. The UWB flat antenna apparatus includes an antenna element pattern, a ground pattern, and a multiple-stage filter including plural filter elements. Therein, the filter elements are electrically connected in series and are stacked, and the multiple-stage filter and the ground pattern are stacked.

Abstract: According to an aspect of the invention, there is provide an antenna apparatus including: a conductive element including one end connected to a ground plane via a terminating resistor and the other end to which a power is supplied; and at least one branch conductive element branching from the conductive element and having a tip end which is short-circuited to the ground plane, and an element length of the branch conductive element being approximately a quarter wavelength of an operation frequency.

Abstract: Apparatus, system, and method are described for a complementary metal oxide semiconductor (CMOS) integrated circuit device having a first metal layer that includes a radiating element and a second metal layer that includes a first conductor coupled to the radiating element. The first conductor and the radiating element are mutually coupled to form an antenna to wirelessly communicate a signal.

Abstract: It is an object of the present invention to provide an antenna capable of reducing a backside gain while keeping the sensitivity of overall antenna to a certain level. Particularly, in the case of an antenna subject to a circularly polarized wave, it is an object of the invention to provide an antenna capable of reducing the sensitivity of a left-handed circularly polarized wave more than ever before as well as keeping the sensitivity of a right-handed circularly polarized wave to a certain level. The antenna of the invention is characterized by including a plurality of ground conductors, a radiation conductor provided via a dielectric on a part of the above-mentioned ground conductor, and characterized in that notch is formed on at least one of the above-mentioned ground conductors and that the notch is formed outside of the area opposite to the above-mentioned radiation conductor.

Abstract: An antenna, including a ground plane and a conductor having a feed post configured to galvanically connect to circuitry operative in a band of frequencies. The antenna further includes a conductive plate galvanically connected to the ground plane and capacitively coupled to a region of the conductor so as to cause the conductor to resonate in the band of frequencies.

Abstract: Antenna and its improved framework for soldering electric wire is disclosed, comprising: an antenna comprising a radiator, a grounding electrode and a connection portion which connects the radiator and the grounding electrode and which is provided with a slit, and a soldering zone provided on the radiator and the grounding electrode of the respective side of the slit to couple with an electric wire; and an anti-soldering material provided on the soldering zone. Compared with the conventional prior art, the antenna and its improved framework for soldering electric wire provided with anti-soldering material in the soldering zone of the antenna can accurately position the solder to avoid uncontrolled diffusion of solder, reduce satisfactory soldering, and increase signal transmission stability to render the operation simple and easy.

Abstract: The present invention provides an installation method of a wireless signal receptor antenna and a structure with a wireless signal receptor. The structure includes a flexible antenna and a device to move the antenna from a first configuration to a second configuration. The first configuration is collapsed and movable, and the second configuration has the antenna extended. The antenna can be in the first collapsed and movable mode, when placed inside the apparatus. The invention allows the antenna to be placed inside a small apparatus and to receive quality signals.

Abstract: An inverted-F antenna and a mobile communication terminal using the same. The antenna includes a flexible board and a radiation plate formed on the flexible board. The antenna further includes a signal line having a first end formed on the flexible board and connected to the radiation plate and a second end extending from the first end and provided as a connecting terminal for feeding and grounding. The mobile communication terminal includes an RF board, a ground plate formed on the RF board, a feed line formed on the RF board for supplying a signal, and the inverted-F antenna as described above.

Abstract: In a device and a method for data transfer between two parts moving relative to one another while maintaining a slight distance between the parts, a transmission device with at least one transmission antenna (connected with a transmitter) and a reception device with a reception antenna (connected with a receiver are used). The transmission antenna and/or the reception antenna is/are fashioned as radio-frequency conductors and are arranged such that signals fed into the transmission antenna during at least one segment of the relative movement are received by the reception antenna by capacitive or inductive coupling. One or more compensation devices is/are arranged between the transmitter and the receiver. The compensation devices counteract signal distortion caused on the radio-frequency conductor by propagation of the signals. Higher data transfer rates can be realized in a cost-effective manner given the use of radio-frequency strip conductors as transmission and/or reception antennas.

Abstract: A variable beam controlling antenna for a mobile communication base station having at least two radiator portions that are arranged vertically, with each portion having a reflector with at least one radiator installed therein. At least one force generator provides rotational force when applied on external control signal, and a force transfer portion transfers the rotational force generated from the force generator to at least one reflector, thus rotating the at least one reflector. The variable beam controlling antenna can be fabricated at a low cost and allows for easy automatic optimization, which is required for a mobile communication wireless network since it is configured to be a one-column antenna capable of controlling a horizontal beam width. Although conventionally many kinds of antennas with different beam widths are needed for base station sectors, the single antenna can easily change its beam width.

Abstract: The invention relates to Radio Frequency (RF) antennas suitable for receiving and/or transmitting digital signals in the Ultra High Frequency (UHF) and/or Very High Frequency (VHF) ranges. The invention comprises a modular driven DUV antenna comprising a driven DUV element, an RF signal line RF communicatively connected to the driven DUV element, and an antenna mount supporting the DUV element; and a modular RF signal enhancer, supported by the antenna mount and selected from: an RF amplifier and a passive RF enhancer positioned to enhance the RF performance of the DUV antenna and comprising one of: an RF director, an RF reflector, and an RF booster.

Abstract: Disclosed a antenna apparatus including: a first antenna having a fixed directivity for receiving a signal in a first frequency band; a second antenna capable of switching a directivity thereof at a time of receiving a signal in a second frequency band; a judgment section to judge which of the signal in the first frequency band and the signal in the second frequency band a television broadcast signal corresponding to a tuned channel is; and a selection section to select the first antenna as an antenna to receive the television broadcast signal corresponding to the tuned channel when the television broadcast signal is judged to be the signal in the first frequency band, and to select the second antenna as the antenna to receive the television broadcast signal when the television broadcast signal is judged to be the signal in the second frequency band.

Abstract: A low-visibility, fixed-tune, wideband, and field-diverse antenna provides cross-polarized fields enhancing signal communications but having helical antenna characteristics without severe circular polarization radiation thereby promoting a modern, futuristic, and disguise look for reliable communications. A generally flat, but helical, antenna is achieved in conjunction with a core substrate about which the antenna is wrapped, wound, or fixed. The core substrate, pitch or angle of the helix, length of the transmitting antenna, and copper traces thickness are chosen for a specific resonant frequency range. The length and width of the helix are chosen in order to dimension the helical antenna between its linear and circular polarization modes to thereby deliver field-diverse and cross-polarized transmission modes. In order to optimize the manufacturing process, holes may be created within the substrate.

Abstract: An antenna device has a dielectric body with a convex surface and a concave surface. The antenna device further has a flexible printed circuit board disposed on the convex surface.

Abstract: A foldable display device is designed so that a junction between at least two display panels connected to each other is not visibly seen. The display device displays an image on a plurality of display panels that are connected together. Pixels near the junction between every two adjacent display panels of the at least two display panels are smaller and have a higher brightness than the other pixels.

Abstract: 11 indicates the image that is originally to be displayed; this image is displayed over the entire display area surrounded by the square frame 12. The image control part has the function of reducing and displaying this entire image centered on the center of the image. The reduced image that is reduced and displayed is indicated by 13. The image control part 9 displays the reduced image 13 in the initial stage of use of the head-mounted display; then, as the use frequency or use time of the head-mounted display (the selection of which of these is used is determined by the switch of the operating part) that is input from the input control part increases, the reduction ratio of the reduced image 13 is reduced so that the size of the image is increased, and the image 11 that is originally to be displayed is displayed after a specified use frequency or specified use time is reached.

Abstract: A video displaying apparatus and a method are provided. The video displaying apparatus includes a signal input unit which receives a video signal comprising video information and synchronization information of a video formed by a plurality of pixels; a video displaying unit which generates an electron beam based on of the video information to display the video; a deflecting unit which performs a scanning operation by deflecting the electron beam based on the synchronization information; and a video correcting unit which corrects the video information so that locations of displayed pixels corresponding to the corrected video information coincide with locations of pixels corresponding to the video information before the correction. With this configuration, a deflection correcting circuit is removed to reduce power loss and a production cost. In addition, video quality can be improved by digital deflection correction.

Abstract: An operation panel of an image forming apparatus includes a “START” key, a mode select key, a numeric keypad, a “CLEAR/STOP” key, and a liquid crystal display. The mode select key is used to select functions such as copier, facsimile, printer, and scanner functions. The “START” key includes an indicator that contains a green light-emitting element. The green light-emitting element is arranged under a transparent or half-transparent cover so that a light therefrom can be seen through the cover. The green light-emitting element is, for example, a green light-emitting diode (LED) having an emission wavelength of from 520 nanometers to 530 nanometers. By turning the green LED on, the indicator indicates that the image forming apparatus is available.

Abstract: A light emitting diode (LED) circuit includes first and second terminals, a forward circuit including a number of LEDs electrically connected in series, and a forward steering diode electrically connected in series with the LEDs. The series combination of the forward steering diode and the LEDs is electrically connected between the first and second terminals, and is structured to conduct current in a first direction with respect to the first and second terminals in order to illuminate the LEDs. A reverse circuit includes a resistor, and a reverse steering diode electrically connected in series with the resistor. The series combination of the reverse steering diode and the resistor is electrically connected between the first and second terminals, and is structured to conduct current in an opposite second direction with respect to the first and second terminals such that the LEDs are not illuminated. An LED drive circuit is also disclosed.

Abstract: One field period includes at least one subfield (SF) group made of at least two successive SFs. In the SF group, in the SF subsequent to a SF in which no sustaining discharge is caused, writing discharge is controlled to cause no sustaining discharge. One of all-cell initializing operation and selective initializing operation to be performed in the initializing period in the top SF of the SF group is determined depending on a signal of an image to be displayed. In the top SF of the SF group, the period allocated to the writing discharge in the case of the selective initializing operation is set longer than the period allocated to the writing discharge in the case of the all-cell initializing operation. This structure provides a plasma display panel and a driving method thereof capable of inhibiting increases in black picture level and displaying images at excellent quality.

Abstract: A plasma display apparatus and method of driving the plasma display apparatus are described. The method includes applying a first driving signal to a first scan electrode to effect at least one of a reset period and a sustain period, applying a second driving signal to a second scan electrode to effect at least one of a reset period and a sustain period, and controlling at least one of the first and second driving signals to cause a lag in an initiation of a changing voltage characteristic on the first scan electrode during at least one of the reset period and the sustain period relative to an initiation of a corresponding changing voltage characteristic on the second scan electrode.

Abstract: A plasma display panel including a plurality of discharge cells each having a display electrode pair made of a scan electrode and a sustain electrode formed in a row direction, and a data electrode formed in a column direction is driven in one field period including a plurality of subfields. The subfield has an initializing period of making initializing discharge occur in the discharge cell, a writing period of making writing discharge occur by selectively applying a write pulse voltage to the discharge cells, and a sustain period of making sustain discharges of the number according to luminance weight occur in a selected discharge cell in the writing period. A write pulse voltage is applied to a discharge cell to be tested in a predetermined subfield, and the write pulse voltage is not applied to the discharge cell to be tested at least in a next subfield after the predetermined subfield.

Abstract: A plasma display apparatus includes a data driver and a plasma display panel having a first address electrode and a second address electrode. The data driver is configured to initiate a change in a voltage value of a first data signal supplied to the first address electrode at a first initiation time, and to initiate a change in a voltage value of a second data signal supplied to the second address electrode at a second, different initiation time. Each of the data signals gradually changes from a first data voltage to a second data voltage during a respective first period, maintains at the second data voltage during a respective second period, and gradually changes from the second data voltage to a third data voltage during a respective third period.

Abstract: A method for driving an AC type surface-discharge display device which has cells arranged in a matrix. Each of the cells has at least three electrodes including a pair of main electrodes on every line of the matrix and an address electrode on every column of the matrix. The method includes providing an address preparation period applying a charge producing pulse and applying a charge adjusting pulse. The charge adjusting pulse has a waveform monotonously falling from a reference potential and a negative polarity and is applied to the second main electrode used as a scan electrode and generates feeble electric discharges between the first and second main electrodes. The feeble electric discharges are accompanied by a decrease of the wall voltage formed by the charge producing pulse.

Abstract: A method for driving an AC type surface-discharge display device having cells arranged in a matrix. Each cell has at least three electrodes including a pair of main electrodes and on every line of the matrix and an address electrode on every column of the matrix. The method includes conducting an address preparation period including applying a first charge adjusting voltage, monotonously rising or falling, to a gap between the main electrodes. The method also includes applying a charge adjusting voltage, monotonously rising or falling, to a gap between a scan electrode and the address electrode.

Abstract: An electron emission display device including: a pixel area for emitting electrons depending on voltage applied to a first electrode and a second electrode; a timing controller for outputting varying pulse widths clocks, the pulse widths of clocks being varied depending on gray scales of image signals. The display device also includes a data driver for generating data signals using the image signals and transferring them to the first electrode; a scan driver generating scan signals and transferring them to the second electrode; and a voltage controller for controlling the voltage of the second electrode depending on the sum of the image signals in one frame interval, wherein the data driver counts the number of the clock pulses to control the pulse widths of the data signals.

Abstract: An active matrix electroluminescent display has means for interrupting the drive of current through the display element. Row driver circuitry for the display has a shift register and logic arrangement (50, 54) for generating the drive voltage for the interrupting means, and which includes a pulse having a duration which can be varied up to substantially the full field period less the address period. The signal or signals propagated through the shift register arrangement (50) control the pulse duration. This arrangement provides reduced driver complexity to allow control for the row by row addressing of the pixels with control of the overall light emission period of each row. The control enables a scrolling addressing scheme to be implemented.

Abstract: An organic light emitting display device and a testing method thereof is provided. The organic light emitting display device may be used to perform a test of a sheet unit for a plurality of organic light emitting display devices formed on a mother substrate. The organic light emitting display device can separately turn off particular organic light emitting display devices. A display region includes a plurality of pixels, which are connected to scan lines and data lines. A scan driver supplies a scan signal to the scan lines. A peripheral region surrounds the display region and includes a first wiring group extending in a first direction and a second wiring group extending in a second direction. A transistor group includes a plurality of transistors, which are coupled with one end of the data lines. An on/off controller is coupled with at least one wiring of the first wiring group and at least one wiring of the second wiring group.

Abstract: An AMOLED panel includes an AMOLED pixel unit, a scan driving unit and a data driving unit. The scan driving unit is coupled to the AMOLED pixel unit. The data driving unit is coupled to the AMOLED pixel unit and a voltage source. The data driving unit comprises a reference current source circuit, (N+1) mirror output circuits and (N+1) switch elements. The reference current source circuit is for providing a reference current. (N+1) mirror output circuits are coupled to the reference current source circuits for outputting (N+1) corresponding data currents to the AMOLED pixel unit, wherein N is a positive integer. The m-th data current of the (N+1) data currents is 2m times of the reference current, and m is an integer 0˜N. The switch elements are disposed in correspondence with the mirror output circuits for controlling the data currents to be outputted to the AMOLED pixel unit.

Abstract: A pixel driving circuit with threshold voltage and power supply voltage compensation. The pixel circuit includes a storage capacitor, a transistor, a transfer circuit, a driving element, and a switching circuit. The transistor has a gate coupled to a discharge signal and is coupled between a first node and a second node. The discharge signal directs the transistor to turn on and then discharges the storage capacitor in a first period. The transfer circuit transfers a data signal or a reference signal to a first node of the storage capacitor. The driving element has a first terminal coupled to a first voltage, a second terminal coupled to a second node of the storage capacitor and a third terminal outputting a driving current. The switching circuit is coupled between the driving element and a display element. The switching circuit can be controlled to diode-connect the driving element in a second period, allowing the driving current to be output to the display element in a third time period.

Abstract: The invention discloses a Gamma transform unit. The Gamma transform unit has a lookup table. The lookup table stores a plurality of difference values corresponding to a plurality of predetermined input values. Each of the difference values substantially equals a difference between an ideal output value and a Gamma function output value, both of which correspond to one of the predetermined input values. After the Gamma transform unit has received an input value, it generates a required Gamma function output value corresponding to the received input value through referring to the lookup table.

Abstract: A display system is provided, including a rigid or non-rigid display surface having a display side and a non-display side, with one or more holes being formed through the surface. In one embodiment the display surface is a non-rigid curtain. Multiple fasteners define central openings in and are arranged on the display side of the display surface, such that the central opening of each fastener is aligned with the holes. The system also includes light strings containing one or more light nodes. The light nodes include a light source, such as an LED or other suitable light source. The light strings and light nodes are arranged so that each light source protrudes from the non-display side of the display surface, through a corresponding hole to the display side of the display surface, and through the central opening of a corresponding fastener.

Abstract: An electro-optical device includes a plurality of unit circuits; a first selecting circuit that sequentially selects the plurality of unit circuits; and a first signal line through which correction data for the individual unit circuits are supplied serially. Each of the plurality of unit circuits includes an electro-optical element that exhibits an intensity corresponding to a driving current, a storage circuit that obtains correction data from the first signal line when the first selecting circuit selects the unit circuit and that stores the correction data; and a control circuit that controls the driving current supplied to the electro-optical element according to intensity data specifying the intensity exhibited by the electro-optical element and the correction data stored in the storage circuit.

Abstract: A data driver includes a shift register circuit configured to receive a first clock signal, a second clock signal, and a start signal, and to sequentially provide a sampling signal, a conversion circuit configured to receive the first clock signal, the second clock signal, and the sampling signal, and to sequentially provide a conversion signal, a sampling latch circuit configured to store data according to the sampling signal and the conversion signal, and a holding latch circuit configured to receive the data from the sampling latch circuit in response to first and second enable signals, and to provide a first data signal or a second data signal to data lines corresponding to the received data.

Abstract: An apparatus for manufacturing a display panel includes an arriving part in which an unfinished display panel is disposed. The apparatus has at least one light transmitting part, a mold which is positioned on the arriving part and which includes at least one alignment key and a pattern forming part, a mold driver which drives the mold, and an alignment sensor which is positioned under the arriving part and which determines whether the display panel and the mold are erroneously aligned through the light transmitting part. Therefore, it is possible to efficiently and accurately pattern a specific material onto the display panel through an imprint lithography process using a pressing mold.

Abstract: An image display apparatus includes a display unit including a liquid crystal panel; a video signal processor configured to perform signal processing on the basis of an image display form in the display unit; and an AC drive controller configured to control video display by receiving a result of the signal processing performed in the video signal processor and controlling a voltage applied to the liquid crystal panel included in the display unit. The AC drive controller performs, for each pixel of the liquid crystal panel, AC drive control of alternately switching a polarity between + and ? in units of pairs of the same signal processing, each pair being two pixels on time series on which signal processing of the same category is performed in the video signal processor.

Abstract: Provided is a liquid crystal display panel, a liquid crystal display device having the same, and a driving method thereof capable of improving image quality. The liquid crystal display device includes a liquid crystal display panel; a gate driver; and a data driver. The liquid crystal display panel includes pixel regions arranged in a matrix, each being defined by a gate line and first and second data lines crossing the gate line. The gate driver supplies a scan signal to the gate line. The data driver alternately supplies a data voltage and a common voltage to the first and second data lines.

Abstract: An active matrix OLED pixel unit disclosed includes four transistors, a capacitor and an OLED. Two transistors are used as switches for receiving two scan signals and a data signal is sent to the OLED via a current mirror structure formed by another two transistors in order to control the OLED luminance.

Abstract: A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal cells, a common voltage generation circuit that supplies a common voltage to the liquid crystal panel, a liquid crystal drive circuit that implements control for supplying said plurality of liquid crystal cells with voltage that accords with a video signal to display an image on the liquid crystal panel, and for reversing a polarity of the voltage supplied to the plurality of liquid crystal cells, and an adjustment module that stores characteristics data for correcting fluctuations in brightness and, based on said characteristics data, adjusts the brightness of the image displayed on the liquid crystal panel.

Abstract: A display driving apparatus and a multi-line inversion driving method thereof are provided. The apparatus includes a gate driver, a source driver, a gate enabling unit and a line polarity signal unit. Every time after a plurality of scan lines is turned on, the source driver inverts the polarity of the sub pixel driving signal according to a line polarity signal output by the line polarity signal unit. Thereby, the polarity inversion operating frequency of the sub pixel driving signal is lowered to reduce the power consumption of the source driver.

Abstract: A liquid crystal display (LCD) device includes a gate driver for supplying gate signals and a timing controller for generating a gate control signal to the gate driver. The LCD device further includes an automatic reset circuit which detects abnormal condition of the gate control signal and generates a reset signal.

Abstract: An apparatus and method for driving a hold-type display panel, for example an LCD (liquid crystal display) panel, includes gate lines and data lines intersecting to form a matrix of pixels. An image is displayed corresponding to data signals applied to the data lines according to gate pulses applied to the gate lines. A signal controlling unit generates a gate control signal for selecting the gate lines and image data to be displayed. The signal controlling unit also generates predetermined dummy data during a dummy data display interval set within a blank interval of a vertical synchronization signal. A gate driving unit applies the gate pulses to the gate lines selected according to the gate control signal. A data driving unit generating the data signal corresponding to the image data and applies the data signals to corresponding data lines.

Abstract: An apparatus for driving a display panel is provided. The apparatus is adapted to a LCD panel. The apparatus at least has a processor, a first and second timing controllers and a first and second group of source drivers. Real pixels are input from an input port of the processor. The real pixels are converted to impulsive pixels with a pre-determined frame rate. The impulsive pixels are divided into two groups of pixels by the processor. The two groups of pixels are simultaneously sent to the source drivers though two timing controllers, respectively. Finally, the source drivers generate driving voltages for the display panel.

Abstract: An apparatus for and method of driving display data having a multiplex structure of several steps, in which the display data driving apparatus includes a memory unit storing gradation data of M bits (where M is a natural number) for driving a plurality of pixels included in a display panel, M/N first multiplexer (where M/N is a natural number) first multiplexers receiving the M bit gradation data that is divided into gradation data of N bits (where N is a natural number), and multiplexing the N bit gradation data, a second multiplexer multiplexing the M/N bit gradation data that is output by the M/N first multiplexers, and a source driver circuit receiving the gradation data that is output by the second multiplexer and transmitting the received gradation data to the display panel.

Abstract: Systems and methods of controlling display device are provided. A representative system includes a control circuit and a register. The control circuit, which is coupled to the display device, alternately enables and disables driving of the display device by referring to a first control value and a second control value to keep an image shown on the display device. The register, which is coupled to the control circuit, stores the first control value and the second control value.

Abstract: A method for eliminating shadow around a support pin of an LED backlight is provided. The method includes determining a luminance value for the plurality of LEDs according to a gray level distribution of pixels around the support pin, and setting the plurality of LEDs to the luminance value. The method may also include adjusting gray levels of related pixels according to the luminance profile of pixels around the support pin.

Abstract: An LED driving circuit drives LCD backlight LEDs sequentially, reducing LCD display ripple noise without decreasing luminance. The LCD driving circuit includes an LED driving voltage generation unit that generates a driving voltage for a backlight LEDs; a PWM signal control unit that generates PWM output signals having a predetermined duty ratio, shifted at a predetermined time interval; and a switching unit that controls application of the driving voltage to LEDs, responsive to the PWM output signals. A backlight includes LEDs and the LED driving circuit. An LCD having the backlight, and a method for driving the backlight are included.