Abstract: A multilayer antenna structure configured to receive Global Navigation Satellite System (GNSS) and augmentation signals. The antenna includes a microstrip patch radiation element disposed at a top layer and a ground plane forming a first interior layer, the ground plane including at least two coupling apertures, and the ground plane isolated from said radiation element by a low loss dielectric. The antenna structure also includes a bottom layer, the bottom layer is isolated from the ground plane by another dielectric; at least two feed lines operably connected to a hybrid coupler disposed on the bottom layer; and an active circuit on the bottom layer, a first port of said active circuit operably connected to the hybrid coupler.

Abstract: In one embodiment, an impulse radio is provided that includes: a signal source operable to provide a sinusoidal source signal; a pulse shaping circuit having a plurality of selectable delay paths, the pulse shaping circuit being configured to rectify and level shift the sinusoidal source signal through selected ones of the selectable delay paths to provide an impulse signal output; a substrate; a plurality of antennas adjacent the substrate; an RF feed network adjacent the substrate and coupled to the pulse shaping circuit, the RF feed network being configured to transmit the impulse signal output to the plurality of antennas, and a distributed plurality of amplifiers integrated with the substrate and operable to amplify the impulse signal output propagated through RF feed network.

Abstract: The present invention relates to an antenna, in which the metallic patches and the feed network are spaced apart from the ground plate. The metallic patches as well as the feed network and the ground plate board define a space therebetween, thus the antenna has better pattern and grain effects. Furthermore, the most important technique feature consists in that the metallic patches and the feed network are integrally formed by bending a single piece of metal plate, thus the present invention generates such effects therefore improving the design flexibility of the antenna and also simplifying the production process.

Abstract: The invention provides a condition detecting sensor capable of measuring the distance between two members moving toward and away from each other without using changes in capacitance, as well as a condition detecting sensor capable of reliably sensing objects located between these two members regardless of their permittivity. The sensor comprises a first antenna FANT and a second antenna MANT arranged, respectively, on each of the two members moving toward and away from each other, a generator SOSC generating signal waves that can be transmitted by the first antenna FANT, and a mixer MIX connected to the first and second antennas FANT, MANT and mixing signals, and senses the distance between the two members moving toward and away from each other, as well as the presence of objects between the two members, by sensing the standing wave ratio between the first and second antennas FANT, MANT using a band-pass filter BPF and an S-meter SM.

Abstract: An antenna array for the operation in two ranges of application (29,31) comprising a first and a second antenna (3,5) with which the positions of the resonant frequencies are different from each other, wherein these resonant frequencies lie between the two ranges of application (29,31).

Abstract: An electronic device, such as a mobile radiotelephone, includes a dual antenna structure with a selectively actuatable phase shifter disposed therebetween. When the selectively actuatable phase shifter is selected, signals received by the first and second antennas are substantially out of phase. When the selectively actuatable phase shifter is not selected, signals received by the first and second antennas are substantially in phase. The dual antennas are coupled to a first electrical circuit disposed in a first section of the device. A second electrical circuit is disposed within a second section of the device. An impedance element, for example an inductor, couples the first and second electrical circuits and is disposed in a substantially symmetric location between the first and second electrical circuits. Working in combination, when the selectively actuatable phase shifter is selected, an antenna pattern of the device becomes substantially azimuthal with a null at a top central location.

Abstract: An antenna module has a substrate, first and second coupling elements, and first and second resonant circuits disposed on the substrate. The first and second coupling elements are mounted to the substrate and particularly adapted to couple respective first and second frequency bands to a ground plane through respective first and second ports. The first resonant circuit has a plurality of components having electrical values selected so as to function as a band-pass filter within the first frequency band and to present a high impedance at least in the second frequency band. The second resonant circuit is coupled to the second port and has a plurality of components that have electrical values selected so as to function as a band-pass filter within the second frequency band and to present a high impedance at least in the first frequency band.

Abstract: An antenna adaptable to a plurality of frequencies is comprised of a first element that is connected to a feeding point (feeding portion) for operation and a second element that is connected to a grounding point (grounding portion) in proximity to the first element to be operated by coupling feeding with the first element and is configured to be operated at either or both of a first frequency and a second frequency higher than the first frequency.

Abstract: An antenna apparatus includes an antenna case housing an antenna; a connector to be connected to a device which connector is electrically connected to the antenna; and an antenna case supporting mechanism which supports the antenna case and enables changing a position of the antenna case at least to a horizontal position and a vertical position.

Abstract: A shielding apparatus of a notebook computer includes an antenna, a control unit, a cable connected between the antenna and the control unit, a first ground unit connected to a shielding layer of the cable located in a first terminal between the cable and the control unit, and a second ground unit connected to the shielding layer of the cable neighboring a second terminal between the antenna and the cable.

Abstract: A multi-band antenna (1) includes a first antenna (2), a second antenna (3) and a common grounding element (4). Both of the first antenna and the second antenna include a radiating element (2?, 3?), a connecting element (100, 300) respectively connecting the radiating element (2?, 3?) and a grounding portion (200, 400).

Abstract: The invention relates to an antenna, of the type comprising an elongate conductive piece, intended for radio-communications, including a free end a base intended to be connected to a receiver and/or transmitter and at least one conductive track extending between the base and the free end and attached to a printed circuit support. The antenna includes two unconnected conductive tracks extending in the extension one of the other, and a metal structure attached to the printed circuit support and forming a bridge between the adjacent ends of the two conductive tracks, the metal structure at least partially extending projecting from the plane of extension of the support.

Abstract: An electronic device such as watch adapted for wireless communication, the electronic device using a dipole antenna, the dipole antenna having two component parts, each of which being disposed in respective parts of a two-part connecting band, such as a watchband of the electronic device.

Abstract: An underwater communication method is provided. EM signals are transmitted via a seabed using an underwater electrically insulated magnetically coupled antenna. By making use of the low loss properties of the seabed, EM signal attenuation can be reduced and consequently the transmission range can be increased. The underwater electrically insulated magnetically coupled antenna may be located within a body of water or may be buried in the seabed.

Abstract: An antenna structure is composed of an antenna seat, a terminal, and an antenna set. The antenna set includes antennae, a matching circuit, conducting wires, and a lead wire. By the conducting wires and matching circuit connected on the antennae, an impedance matching can be achieved to be coupled with frequency of radio wave signal to be received for reducing a standing-wave ration, when the antenna are receiving the radio wave signal. In addition, the frequency and wavelength of radio wave signal received by the antennae can be adjusted by changing lengths of conducting wires.

Abstract: A multi-band antenna is adapted to operate in a first frequency band and a second frequency band which is lower than the first frequency band. In the multi-band antenna, an antenna element has an electrical length of ¾ wavelength of the first frequency band. The antenna element has a first end adapted to be electrically connected to a power feeding point, and a second end. An inductor is electrically connected between the second end of the antenna element and a ground in a serial manner. The inductor has such an inductance that an electrical length of the antenna element and the inductor corresponds to ½ wavelength of the second frequency band.

Abstract: Plural panelized phased arrays, possibly including electronic tilt, are controlled in physical orientation to present a reduced physical profile. Each panel may include a non-linear shaped aperture which physically mates with other shaped apertures to maintain a composite tapered aperture for reduced side lobes. Long delay compensation to equalize RF radiator element signal propagation times improves bandwidth.

Abstract: A method and apparatus for receiving signals transmitted from a plurality of communications satellites. An apparatus in accordance with the present invention comprises a reflecting surface having a focal point, and a plurality of low noise block down converters with feedhorns (LNBFs), each LNBF having a boresight, wherein at least a first LNBF receives signals in a first frequency band transmitted from a first communication satellite location that are focused at a first focal point and at least a second LNBF receives signals in a second frequency band transmitted from a second satellite location that are focused at a second focal point, wherein the boresight of the first LNBF is closer to the first focal point than the boresight of the second LNBF is to the second focal point.

Abstract: The present invention relates to a broadband monopole antenna comprising a “cup”-shaped radiating element mounted on an earth plane forming support of annular shape. This antenna can be used in the field of portable television apparatuses.

Abstract: A dual polarized antenna with at least one dual polarized radiator device comprises a reflector (3) and longitudinal or transverse webs (9, 11) provided at least on its longitudinal side and/or on its transverse side. The improvement is distinguished by the following features: at least one longitudinal web (9) and/or at least two longitudinal webs (9) provided with respect to the radiator device (1, 1?) located in between and/or at least one transverse web (11) and/or at least two transverse webs (11) provided with respect to the radiator device (1, 1?) located in between are positionally changeable directly or at least indirectly by pivoting and/or bending and/or deforming and curving.

Abstract: Disclosed herein is an embedded chip antenna. The embedded chip antenna having a complementary radiator structure includes two radiators that have identical radiation characteristics and are respectively arranged on both sides of a feed point. According to the present invention, the radiator of a chip antenna has a single physical radiator structure, but is electrically formed of a plurality of partial radiators symmetrical with respect to a feed point, and radiation operations in high and low frequency bands are separately performed. Therefore, complementary operational characteristics that counteract external effects are implemented, so that, when part of a human body, such as the hand, affects one partial radiator on one side of the chip antenna, the other partial radiator on the other side thereof independently operates, thereby minimizing performance degradation originating from the outside of the antenna.

Abstract: An articulated boom comprises a support arm with a plurality of hingedly-connected joints. The arm is adapted and arranged to carry an antenna reflector so that in use, the reflector can move between a first stowed position in which the reflector is in folded condition and a second deployed position in which the reflector is in deployed condition. A spacecraft incorporates into one or more of its sides a plurality of such articulated booms. The support arms of the booms can be advantageously positioned at the circumference of the associated reflectors when in a stowed position, so as to allow the reflectors to be neatly stacked together within a space defined by the launch vehicle fairing.

Abstract: Undesired interfering signal sources within a wireless communication network disturb the radio communication between radio base stations and mobile stations. The invention presents a method and device wherein the beam pattern of an antenna, comprising two or more sectorised antenna elements with overlapping beam patterns, is adapted such that the position of the source of interfering signal is preferably substantially located within the overlap of said beam patterns. The one or more beam patterns are adapted in bearing such that the resulting interfering signal is reduced by the superimposing effect of radio wave propagation within the overlap area.

Abstract: A micro adjustable antenna bracket has a stationary bracket having a compressible collar and a stationary panel, a driver mounted under the stationary panel, an antenna mounting bracket mounted pivotally on the stationary panel and multiple fasteners. The compressible collar has two mounting tabs, and the stationary panel is attached to the mounting tabs and has multiple connecting holes, a pivot hole, two wings and an elongated slot. The driver has a drive block, a drive shaft, an adjustment wheel and a connecting shaft. The drive shaft is mounted through the drive block, and the adjustment wheel is attached to the drive shaft. The antenna attachment bracket has an adjustable board, a pivot pin and a drive pin. The adjustable panel has multiple curved elongated through holes, and the fasteners are mounted through the connecting holes in the mounting tabs and the stationary panel and the curved elongated through holes.

Abstract: In accordance with the teachings described herein, RFID systems are provided that include a distributed RFID antenna array utilizing one or more circular polarized helical antennas. A plurality of RFID tags may be used, with each RFID tag including a linear polarized antenna for communicating RFID tag signals. One or more receiver antennas may be used for receiving the RFID tag signals from the RFID tags. An RFID tag signal reader may be used to process RFID tag signals received by the receiver antennas. In one example, the receiver antennas may include a circular polarized helical antenna element. One or more transmitter antennas may be used for transmitting an RF signal to the plurality of RFID tags, the transmitter antennas including a circular polarized helical antenna element. A transmitter may be used to generate the RF signal for transmission by the transmitter antennas. In one example, the RFID tag signal reader and the transmitter may be included in a single reader/transmitter unit.

Abstract: A receiving circuit receives one or plural first signals involving display from the outside through an input unit. A first transmitting circuit transmits one or plural second signals relevant to the first signal from the first output unit. A second transmitting circuit transmits the second signal from the second output unit.

Abstract: A method of generating a depth map (122) comprising depth values representing distances to a viewer, for respective pixels of an image (100), is disclosed. The method comprises: computing a cost value for a first one of the pixels (108) of the image by combining differences between values of pixels which are disposed on a path (112) from the first one of the pixels (108) to a second one of the pixels (110) which belongs to a predetermined subset of the pixels of the image; and assigning a first one of the depth values corresponding to the first one of the pixels (108) on basis of the cost value.

Abstract: A three-dimensional display device includes an image display portion for time-sharing a left eye image and a right eye image, and a parallax barrier for separating the left and right eye images provided from the image display portion into a direction of a left eye and a right eye of a user, respectively, by using a first and a second electrode set. A method includes applying a first driving voltage to the first electrode set during a first period, and applying a second driving voltage to the second electrode set during a second period. The second driving voltage has a level different from that of the first driving voltage.

Abstract: A three-dimensional image display apparatus includes an image display configured to output image light which arrays a plurality of pixels and has polarization, a lens array arranged in front of the image display, configured to function as lens at light which has a 1st polarization direction, and not to function as lens at light which has a 2nd polarization direction differed from the 1st polarization direction, and a birefringent phase modulator placed between the image display and the lens array and configured to rotate a polarization plane of the image light.

Abstract: A navigation system with a portable heads up display (HUD). The HUD comprises a housing rotably mounted on a stand. The housing holds a device for generating an image that can be projected onto a vehicle windshield, for example a vacuum fluorescent display (VFD) module. Preferably, the navigation system is a NavMate® Navigation System from Visteon Technologies LLC, and the HUD is operatively connected to the navigation system by a high speed serial interface, for example an RS232 interface. An exemplary HUD includes a microcontroller, frame buffer, and a graphic display module. A preferred image generator is a Futaba GP1045A02A graphic display module.

Abstract: Embodiments of the present invention comprise methods and systems for brightness preservation using a smoothed gain map.

Abstract: A display apparatus having a displaying part, includes a video processing part to process an input video signal into a format which can be displayed on the displaying part, and a controlling part to determine whether a video image displayed on the displaying part is a still image, and if it is determined that the video image is the still image, to control the video processing part to display the video image according to the input video signal and a predetermined after-image prevention image alternately on the displaying part. Thus, the present general inventive concept provides a display apparatus which is capable of removing an after-image effect occurring in a display panel effectively, and a control method thereof.

Abstract: A display device uses the presence or absence of a pigmented fluid in a pixel to indicate pixel state. Fluid flow to or extraction from individual pixels is controlled through manipulation of row and column fluid pressures. A pixel wall opposite a viewer may be provided with a background color contrasting the color of the pigmented fluid. When present in the pixel, the pigmented fluid obscures the colored wall of the pixel, and viewer sees the pixel as the color of the fluid (a first state). When the fluid is absent from the pixel, the viewer sees the pixel as the color of the wall of the pixel (a second state). When partially present, the fluid color and the wall color mix to provide grayscale display.

Abstract: To improve the power recovery rate of a driver device of a PDP. An output buffer circuit 10 is constituted by a totem-pole circuit where two NchMOS transistors Q1 and Q2 are cascade-connected, and the connection point (VOUT) of the two MOS transistors are connected to a data electrode C0 of a display cell. A level shift circuit 11 is constituted by a CMOS circuit and drives the output buffer circuit 10. An electric charge recovery circuit 13 is connected to a power supply VDD2 of the output buffer circuit 10, and it recovers and reuses electric charges remaining on the data electrode C0 after the discharge of the display cells. A power supply control circuit 12 controls so that the power supply voltage of the level shift circuit 11 is higher than the sum of the power supply voltage of the output buffer circuit 10 and the threshold voltage of the MOS transistors for a period of time during a recovery/reuse cycle of the electric charge recovery circuit 13.

Abstract: A plasma display apparatus is disclosed. The plasma display apparatus includes a plasma display panel including a scan electrode and a sustain electrode, and a scan driver. The scan driver supplies a first set-down voltage of a set-down pulse during a reset period, a scan voltage of a scan pulse during an address period, and a negative sustain voltage of a sustain pulse of a negative polarity during a sustain period to the scan electrode using a first voltage source.

Abstract: A method is applied on a display device. The display device includes a matrix of electron-emitting elements, an array of anodes, and an enclosure configured to maintain substantially vacuum space between the matrix of the electron-emitting elements and the array of anodes. The method of driving the display device includes selecting a row of electron-emitting elements from the matrix of electron-emitting elements for emitting electrons. The method of driving also includes receiving electrons emitted from a given electron-emitting element in the selected row with a given anode chosen from the array of anodes. The method of driving still includes driving the given electron-emitting element with a data driver that receives a sensing signal from the given anode.

Abstract: A flat panel display capable of presenting high resolution monochrome images in a desired first color and highlight images in at least a desired second color different from the first color, comprising a plurality of pixels each comprised of only two individually addressable differently colored sub-pixel elements, wherein the two individually addressable differently colored sub-pixel elements emit light of the desired first color when employed together, and wherein either or both of the differently colored sub-pixel elements may be employed to emit light of the desired second color. Displays in accordance with the invention may be used to provide highlight information along with high resolution monochrome images, without the expenses associated with fabrication of high resolution full-color displays.

Abstract: A variable-sized screen includes a support, at least one scrolling device and a flexible display. The support has a fixing frame and a movable frame, which are retractably connected. The scrolling device and the flexible display are assembled on the support. The flexible display is wrapped around the support, and the size of the flexible display is variable due to displacement of the support. When the support changes size through a retracted movement of the movable frame and the fixing frame, the flexible display also changes size correspondingly and the size of the screen becomes variable. Therefore, the dimensions of the screen and electronic products are not limited, and the display device has the advantages of a big screen yet is still portable and convenient for a user.

Abstract: A display device that displays an image on a display screen includes plural light emitting members arranged along the display screen. The light emitting members emit light along a longitudinal direction thereof, and are coupled so that the light emitting members can be rolled around center of axis parallel to the longitudinal direction. The rolled light emitting members are stored in a storage unit such that one side of the display screen is supported by a support member provided in the storage unit.

Abstract: A display apparatus includes, on a substrate, an area in which a plurality of constituents each including a light-emitting device and a device control circuit for controlling current passing through the light-emitting device is disposed, a common interconnecting line disposed to surround a periphery of the area, a terminal portion for permitting electrical connection to an external circuit, and a wiring lead-out portion for electrically connecting the common interconnecting line to the terminal portion. The light-emitting device is disposed, on the substrate, between a lower first electrode and an upper second electrode. The first electrode is electrically connected to the device control circuit, and the second electrode is electrically connected to the common interconnecting line through a contact hole.

Abstract: A display apparatus capable of preventing thermal deterioration of an organic EL layer to improve a reliability without increasing a frame area thereof includes a display area, a circuit and wiring area, a pixel circuit common supply line, a contact hole, an external connection terminal, and an adhesion area. In the display area, EL devices and pixel circuits are arranged in a matrix. In the contact hole, a common voltage line and a transparent electrode electrically connected to an output of the EL device are electrically connected to each other. To the external connection terminal, an image signal, a control signal, and electric power are externally supplied. The contact hole and the common voltage line are disposed to surround a peripheral of the display area. To the pixel circuit common supply line, the electric power is supplied from the external connection terminal.

Abstract: A display having voltage-driven organic light-emitting pixel circuits. Each pixel circuit includes an organic light-emitting diode, a data writing circuit, a capacitor, three transistors, and a switch. The pixel circuit can compensate the threshold voltage variations of low temperature poly silicon thin film transistors. This increases the stability of the voltage-driven organic light-emitting pixel circuits, improves the uniformity of the luminance of the display, and provides a larger aperture ratio for the pixels.

Abstract: A flat panel display includes a plurality of pixel circuits. Each pixel circuit includes a light emitting device, a driving device to drive the light emitting device, and a storage device to store pixel data for controlling the driving device. The display includes a plurality of switches external to the plurality of pixel circuits, each switch being connected in series with a corresponding one or more of the light emitting devices.

Abstract: The variation of characteristics of transistors occurs. The present invention is a signal line drive circuit having a plurality of current source circuit corresponding to a plurality of wirings, a first and a second shift registers, a latch circuit, the foregoing plurality of current source circuits have capacity means and supplying means, respectively, characterized in that the foregoing capacity means converts a supplied current into a voltage according to a sampling pulse supplied from the foregoing first shift register, the foregoing supplying means supplies a current corresponding to the foregoing converted voltage according to a video signal, and the foregoing latch circuit operates according to a sampling pulse supplied from the foregoing second shift register.

Abstract: To provide a display device capable of allowing a light emitting element to emit light with a constant luminance while being free of an influence of deterioration over time and capable of accurate gradation display and high-speed writing of signal current to each pixel as well, in which an influence of noise causing leak current etc. is suppressed, and a driving method therefor. According to the present invention, plural pairs of switch portion and current source circuit are provided. Each of the plural switch portions is controlled in its switching operation according to a digital video signal. When the switch portion turns on, the current source circuit corresponding to the switch portion supplies current to allow the light emitting element to emit light.

Abstract: The EL display apparatus according to this invention is provided with an EL light emitting element, a current driving device for driving the EL light emitting element by a current responsive to a source signal represented by a current, and a signal current source (634) for outputting the source signal in response to image signal to the current driving device via a source signal line, the EL display apparatus being further provided with a precharge voltage source (631) for outputting a predetermined voltage and a switching and connecting unit (636, 637) capable of selectively connecting either the signal current source or the precharge voltage source to the source signal line (638).

Abstract: An electroluminescent display system, comprising: a) a display composed of an array of regions, wherein the current to each of the regions is provided by a pair of power lines and wherein each region includes an array of light emitting elements for emitting light; b) a pixel driving circuit for independently controlling the current to each light-emitting element in response to an image signal, wherein the intensity of the light output by the light emitting elements is dependent upon the current provided to each light emitting element; and c) a display driver for receiving an input image signal and generating a converted image signal for driving the light emitting elements in the display, wherein the display driver analyzes the input image signal to estimate the current that would result at, at least, one point along at least one of the power lines providing current to each of the regions, if employed without further modification, based upon device architecture and material and performance characteristics of d

Abstract: A driving system is used in an active matrix display device to adjust the data line signal voltage level based on the voltage drop in the power supply so as to maintain the voltage potential between the gate terminal and the source terminal of a driving TFT to a certain level. In particular, when the power supply is a battery and the voltage provided by the battery decreases with time, the brightness of display device would decrease accordingly. The driver system comprises a voltage monitoring device to monitoring the battery voltage drop, a data driver to provide the data line signal voltage level to driving TFT, and a correction module to adjust the data line signal voltage level based on the voltage drop according to the gamma operable range of the display device.

Abstract: A display device in which characteristic change of an organic light emitting layer due to deterioration or temperature change can be detected to keep the constant luminance of a light emitting element is provided. A monitor region is provided in addition to a pixel portion for display. A plurality of monitor elements is arranged in the monitor region. A switching circuit is provided so as to prevent a large amount of current from flowing in a shorted monitor element among the plurality of monitor elements. As a result, by monitoring potential change between electrodes of the monitor element, the voltage or the current that is supplied to a light emitting element in the pixel portion for display can be corrected in accordance with time degradation or temperature change.

Abstract: An organic light emitting display device comprises a first substrate and a second substrate, a display unit formed on the first substrate, and a film disposed between the first substrate and the second substrate and comprising an opening in a region corresponding to the display unit.