Abstract: A method is disclosed for mixed analog/digital beamforming in a wireless communication system having transmit and receive antennas and analog front-ends connected to either the transmit antennas or the receive antennas.

Abstract: A method of measuring the bearing angle of arrival ? of HF band electromagnetic signals received by a crossed loop antenna or an Adcock antenna array includes measuring the phase difference ?? between the signals acquired in the sine and cosine paths of the antenna; measuring the ratio R of the amplitudes of the signals acquired in the sine and cosine paths of the antenna; and determining the bearing angle of arrival ? of the wave as a function of the phase difference ?? and the ratio R. The method is applicable to the detection and location of electromagnetic signal transmitters, particularly in the maritime field.

Abstract: An antenna for transmitting a wireless signal is provided. The antenna includes a ground element, a short element and a transmitting element. The short element is connected to the ground element. The transmitting element is connected to the short element, wherein the transmitting element is a claw shaped structure, and the transmitting element includes a first section, a second section and an extending section, wherein an end of the first section is connected to the short element, and the other end of the first section is connected to ends of the second section and the extending section, and a first groove is formed between the first section and the second section, and a second groove is formed between the first section and the extending section.

Abstract: A multiple-element antenna for a wireless communication device is provided. The antenna comprises a first antenna element having a first operating frequency band and a floating antenna element positioned adjacent the first antenna element to electromagnetically couple to the first antenna element. The floating antenna element is configured to operate in conjunction with the first antenna element within a second operating frequency band. A feeding port connected to the first antenna element connects the first antenna element to communications circuitry and exchanges communication signals in both the first operating frequency band and the second operating frequency band between the multiple-element antenna and the communications circuitry. In a wireless mobile communication device having a transceiver and a receiver, the feeding port is connected to both the transceiver and the receiver.

Abstract: A multi-band antenna including a conductive ground plane element, a conductive driven element having a feed point and a conductive coupling element located on at least one but not all sides of the conductive driven element and coupled to the conductive ground plane element and to the conductive driven element, wherein a resonant frequency associated with the conductive coupling element is independent of a size of the conductive ground plane element.

Abstract: Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. A display may be mounted on a front face of an electronic device. A conductive member such as a bezel may surround the display. Internal housing support structures such as a metal midplate member may be used to support the display. The midplate member may be connected between opposing edges of the bezel. The antenna structures may include an antenna formed from part of the midplate member and part of the bezel. Antenna image currents in the midplate member may be blocked by slots in the midplate member. The slots may be located adjacent to the antenna and may ensure that the antenna emits radio-frequency signals in a desired pattern. The slots may be angled and segmented.

Abstract: An electronic device is provided, including a main body, a battery detachably received in the main body, a stopper disposed in a predetermined position to restrict the battery in the main body, an antenna disposed on the stopper, and a cover connected with the stopper and movable relative to the stopper between a first position and a second position. When the cover is in the first position, the cover is engaged with the main body and restricts the stopper in the predetermined position. When the cover is moved from the first position along a first direction to the second position, the cover is disengaged from the main body, and the stopper is releasable from the predetermined position along a second direction.

Abstract: A dipole antenna includes interconnected first and second grounding portions, first and second connecting portions bending respectively from the first and second grounding portions in a substantially same direction, first and second extending portions extending respectively from the first connecting portion, and third and fourth extending portions extending respectively from the second connecting portion. The second extending portion is disposed closer to the first grounding portion than the first extending portion. The fourth extending portion is disposed closer to the second grounding portion than the third extending portion.

Abstract: An antenna radiator includes a plurality of antenna pattern radiators including antenna pattern portions receiving or transmitting an external signal, respectively, a bridge configured to connect the antenna pattern portions, and a cutting assistance part formed in a connection portion between the bridge and the antenna pattern portions and facilitating detachment of the bridge from the antenna pattern portions.

Abstract: An easily transportable multiband antenna array. The antenna array is fabricated on a multi-sided structure, such as a four-sided cube, made from a wire frame and fabric. The multi-sided structure is constructed so that it may be folded by first folding the faces against each other, and then twisting them to form a stack of loops. The antenna elements are fabricated on the faces, and comprise at least a loop antenna around the perimeter of each face, and a bow-tie antenna attached to each face. The antenna elements are fabricated and attached so that they do not inhibit the folding of the structure.

Abstract: Technology is described for a slot antenna. The slot antenna can include a substrate having a metal layer on a first side of the substrate. A feed line can be located on a second side of the substrate. A first polygon shaped slot can be formed in the metal layer of a first side of the substrate. A second polygon shaped slot can also be formed in the metal layer of the first side of the substrate. The second polygon shaped slot can be recessed within a perimeter of the first polygon shaped slot and the second polygon shaped slot and first polygon shaped slot share a common side. Examples of the first and second polygon shapes may include square or diamond shapes.

Abstract: A wideband circularly polarized L-shaped monopole slot antenna has a single C-shaped feed. The measured results demonstrate that the antenna has 23% of circular polarization bandwidth (Axial Ratio<3 dB and Return Loss<?10 dB). The monopole slot antenna occupies a half area on the corner of circuit board compared to half-wavelength slot antenna that requires the area at the center of the board. This feature is attractive for compact wireless devices operate at low frequencies in which circuit board floor planning and signal routing are major concerns. The antenna is extremely low cost and does not require any truncation corner, reflector surface and via connection which increase the fabrication cost.

Abstract: A multi band antenna feed, for supporting multiple frequency bands, is coupled to a reflector and includes a cylindrical core waveguide and at least three coaxial cylinders, encircling said cylindrical core waveguide and forming at least three coaxial waveguides, bounded between pairs of consecutive coaxial cylinders. The cylindrical core waveguide and the at least three coaxial waveguides provide a pair of sum and difference radiation patterns, for each frequency band: a C-band, an S-band and an L-band.

Abstract: The present invention discloses an antenna for coupling to a magnetic field component of an electromagnetic signal. The antenna comprises a coil of wire 121 having a pair of terminals 122 formed over an extended core 130 of a material having a relative magnetic permeability (?R) greater than unity. The extended core 130 comprises an elongate portion 135 having a long dimension along a first (Z) axis and short dimensions in a (X, Y) plane perpendicular to the first axis, and comprises first and second ends 133, 134 at opposite extremities of the long dimension. The extended core 130 further comprises at least one flange portion, 136, 137, disposed at one of the first and said second ends 133, 134 of the elongate section 135, having at least one larger dimension than the elongate section in the (X, Y) perpendicular plane.

Abstract: A planar oscillator is provided includes an oscillator portion formed by four oscillator arms, the four oscillator arms defining two orthogonal half-wave oscillators, each oscillator arm being of a square and these oscillator arms being arranged in a square configuration, each oscillator arm having a feeding terminal defined at a corner thereof facing another oscillator arm; a connective portion connected among these oscillator arms so that these arms are connected with each other; and a medium base plate for printing the oscillator portion and connective portion thereon. In addition, a plurality of through holes is defined in the medium base plate. The antenna made according to the invention is simple and compact in construction and good in performance. In addition, the antenna is easy to be manufactured and assembled. Moreover, the antenna of the invention benefits from wide bandwidth, high gain and cross polarization ratio, and excellent isolation.

Abstract: An antenna module for a portable electronic device includes a loop portion, a dipole portion, a feeding end portion and a grounding end portion. The dipole portion is positioned in the loop portion and connected to the loop portion. The feeding end portion and the grounding end portion are connected to the loop portion.

Abstract: An antenna element and balun are described. The antenna includes a plurality of droopy bowtie antenna elements disposed on dielectric block and a feed point. The balun includes a central member having dielectric slabs symmetrically disposed on external surfaces thereof. At least one end of the balun is provided having a shape such that conductors on the dielectric slabs of the balun can be coupled to the the droopy bowtie antenna elements.

Abstract: A low-radar cross section antenna structure for an active electrically scanned antenna including an active electrically scanned antenna enclosure and at least two antenna elements. The antenna elements are arranged to be mounted on a front surface of the active electrically scanned antenna enclosure and embedded in a lightweight structure. The front surface and side surfaces of the active electrically scanned antenna enclosure and the antenna elements are arranged to be covered with the lightweight structure. A thin laminate is arranged to cover an outer top surface and an outer side surface of the lightweight structure. Parts of the lightweight structure are arranged to be doped with a lossy material having dielectric, magnetic and/or resistive losses, thus making these parts of the lightweight structure absorbing for electromagnetic radiation.

Abstract: The invention relates to a dual band antenna, in particular for satellite navigation applications, comprising a multilayer structure that is provided with an upper first antenna element (12) for receiving electromagnetic waves having a frequency in a first frequency band, a lower second antenna element (16) arranged below the first antenna element (12) for receiving electromagnetic waves having a frequency in a second frequency band, two electrically conductive ground layers (20,28), a first and a second one, that are arranged one above the other and that are arranged in turn below the lower second antenna element (16), and a conducting-path layer (24) having at least one first conductive path (30,32) for electromagnetically coupling with the first antenna element (12) and having at least one second conductive path (34,36) for electromagnetically coupling with the second antenna element (16).

Abstract: An assembly of a chip antenna and a circuit board includes a chip antenna and a circuit board. The circuit board includes a ground layer. The ground layer includes a hollow region formed adjacent to a periphery of the ground layer. The hollow region of the ground layer can be used for configuring an input impedance of the circuit board. The chip antenna is disposed in the hollow region of the ground layer, electrically connecting to the ground layer. The chip antenna includes input impedance. The input impedance of the chip antenna is adjustable to achieve a conjugate impedance match between the chip antenna and the circuit board such that the circuit board and the chip antenna can simultaneously radiate electromagnetic energy.

Abstract: Aspects of a method and system for using a transformer for FM transmit and FM receive functionality may include communicating data-bearing signals via primary windings of a transformer, wherein secondary windings of the transformer may be utilized for receiving and/or transmitting the communicated data-bearing signals, wherein the secondary windings may be utilized as a load for the transmitting. The secondary windings and/or a power amplifier may be biased for the transmitting by applying an electrical signal at a terminal of the secondary windings, wherein the electrical signal that may be applied at the center terminal may be a biasing voltage. The receiving and the transmitting may be operated in time division duplex mode, or simultaneously. DC signal components for the receiving may be blocked by using a plurality of capacitors.

Abstract: A loop antenna is provided. The loop antenna includes: a substrate; an outer pattern including at least one loop on a surface of the substrate; and an inner pattern in an inner region of the at least one loop of the outer pattern, an end of the inner pattern being connected to an end of the outer pattern, wherein the inner pattern is configured so that an electric current flows in the inner pattern in a direction opposite to a direction in which the electric current flows in the outer pattern. Accordingly, an H-Field characteristic of the loop antenna can be enhanced, thereby allowing the loop antenna to have a decreased size and an improved performance.

Abstract: An antenna device includes a housing having a lower portion for coupling to a non-magnetic option coupler of a vehicle, an insulating member engaged in an upper chamber of the housing, a conductor member engaged into a central bore of the insulating member for engaging with the non-magnetic option coupler, a conductive coupling element having a lower portion engaged into the housing, and a coaxial radiating assembly includes a coaxial radiating device having a central radiating member for connecting to the conductor member, and a peripheral radiating member for connecting to the conductive coupling element, and an insulating element mounted between the central radiating member and the cylindrical radiating member.

Abstract: An antenna reflector includes a central segment with a peripheral coupling portion and a plurality of peripheral segments, each provided with a reflector portion and a shield portion. A proximal portion of each shield portion is dimensioned to couple with the peripheral coupling portion, a reflector portion edge of each peripheral segment is dimensioned to couple with adjacent reflector portion edges and a shield portion edge of each peripheral segment is dimensioned to couple with adjacent shield portion edges. The central segment and the reflector portion of the peripheral segments together form a reflector dish. The shield portions together provide a circumferential shield extending from a periphery of the reflector dish along an antenna boresight of the reflector dish.

Abstract: A portable terminal apparatus is provided. The portable terminal includes a first unit including a first display part, a second unit including a second display part, and a switching part configured to cause the first unit and the second unit to switch between a first position in which the first unit covers the second display part and a second position in which at least a part of the second display part is exposed to an outside. The first unit is configured such that an opposite side of the first unit is visible through the first display part.

Abstract: A method for transmitting an image from a first control unit to a second control unit is provided wherein a maintenance technician can view the same image on a head-mounted display from the first output unit as an expert in the back office. The image is played back on the first output unit with the same resolution as on the head-mounted display.

Abstract: An in-vehicle image display apparatus comprising a state detecting device that detects a state of vehicle surroundings; a display device provided in at least in a window section of the vehicle and capable of displaying information; an image generating device that generates image data representing an image of the vehicle surroundings based on detection results; a display control device that makes the display device display the image represented by the image data generated by the image generating device; and a storage device that previously stores data representing an object to be detected which is detected by the state detecting device in the vehicle surroundings.

Abstract: According to one embodiment, a method for enhancing vision for a vehicle includes recording external surroundings of the vehicle by a sensor array comprising a plurality of sensor modules including at least two different types of sensor modules, such that the sensor array is coupled to the exterior of the vehicle. The method further includes determining a field of view and one or more types of sensor modules to be displayed. The method further includes displaying the recorded external surroundings of the vehicle associated with the determined one or more types of sensor modules associated with the field of view to be displayed.

Abstract: A method for modifying an image to be displayed on a display includes receiving an image to be displayed on the display having a backlight and a transmissive panel. A backlight signal is provided to the backlight for causing the backlight to selectively illuminate different portions of the backlight with different characteristics. The characteristics include at least one of a different color and a difference luminance. A panel signal is provided to the panel for causing the transmissive panel to selectively change its transmittivities. At least one of the backlight signal and the panel signal are modified in a manner to reduce off-axis artifacts.

Abstract: An electronic book includes a main body and a pivot member rotatably mounted to the main body. The main body includes an electrophoretic display, and defines a first receiving space in a bottom of the main body. The pivot member includes a base plate received in the first receiving space and a lighting body mounted to the base plate. When the electronic book is used, the pivot member is rotated relative to the main body, the base plate is moved out of the first receiving space to be positioned above the electrophoretic display, and then the lighting body is turned on to light the electrophoretic display.

Abstract: An electronic paper display device includes a first substrate, a plurality of display units and a plurality of light-emitting units. The first substrate includes first base and a plurality of electrodes disposed on the first base. The display units are disposed above the first substrate. The light-emitting units are respectively disposed between the display units and the first base.

Abstract: Systems, methods, apparatuses and computer program products configured to provide intelligent filtering techniques to reduce errant device inputs are described. For example, filtering out the data input from a touch pad while typing on the keyboard or operating with a pointing stick, even if the touch pad is sensing contact, is augmented by continuing to filter data from the touch pad until the contact on the touch pad ends.

Abstract: The present invention relates to an application device of electronic paper software, generally including a first flexible display module, a second flexible display module, and a flexible input module, wherein the second flexible display module is formed on one side of the first flexible display module and the flexible input module extends from one side of the first flexible display module or the second flexible display module. The first flexible display module and the second flexible display module may display various and different use interfaces and display interfaces to thereby provide a digital product that is of low power consumption, light-weight and compactness, water resistance, vibration resistance, and being hard to break.

Abstract: A sensor for an optical device includes an array of pixels in rows and columns which detect and process illumination falling thereon so as to identify inputs generated by a user on a surface of the optical device. A second reset period of variable length between a black calibration phase and an integration phase occurs in a processing cycle of a frame for each pixel, wherein the length of the second reset period is adjusted based on the ambient light conditions.

Abstract: Provided is a system and method for object detection and tracking in a video stream. Frames of the video stream are divided into regions of interest and a probability that the region contains at least a portion of an object to be tracked is calculated for each region of interest. The regions of interest in each frame are then classified based on the calculated probabilities. A region of interest (RI) frame is then constructed for each video frame that reports the classification of regions of interest in the video frame. Two or more RI frames are then compared in order to determine a motion of the object. Also provided is a system executing the presently described method, as well as a device including the system. The device may be for example, a portable computer, a mobile telephone, or an entertainment device.

Abstract: Acquired three-dimensional positional information is used to identify user created gesture(s), which gesture(s) are classified to determine appropriate input(s) to an associated electronic device or devices. Preferably at at least one instance of a time interval, the posture of a portion of a user is recognized, based at least one factor such as shape, position, orientation, velocity. Posture over each of the instance(s) is recognized as a combined gesture. Because acquired information is three-dimensional, two gestures may occur simultaneously.

Abstract: A wireless communication device (200) and method (300). The method (300) can include: detecting (310) a motion signature in a wireless communication device; sensing (320) a location of the wireless communication device; and setting (330) a user interface experience, based on the detected motion signature and sensed location of the wireless communication device. Engagement signatures can be detected in various ways, such as by dock or cradle specific connections, seating, gestures, movements in an x, y and/or z direction and location. A desired location specific user interface experience can include: a preferred user interface experience, application, display brightness, touch lens sensitivity, input key activation, and the like, based on a user preference for a particular location.

Abstract: The present invention discloses a multifunctional flexible handwriting board and its manufacturing method. The multifunctional flexible handwriting board comprises a name plate, a linear plate, a shock absorbing layer and a circuit board. The name plate is made of a flexible material and has an upper surface uses as a mouse pad. The linear plate is made of a flexible material and has a sensing area at the middle. The shock absorbing layer is made of a soft material for protecting the linear plate. The circuit board is electrically coupled to the sensing area of the linear plate for transmitting information. The method of manufacturing the multifunctional flexible handwriting board is to couple the circuit board to an edge of the linear plate and sequentially couple the name plate, the linear plate and the shock absorbing layer.

Abstract: Correspondence data representing correspondence between a plurality of selection target objects and the attitude of an input device is stored in an information processing apparatus. In accordance with attitude/motion data acquired from the input device, the attitude of the input device is calculated. In accordance with the correspondence data, a selection target object corresponding to the attitude of the input device is selected thereby to perform a process based on the selection target object having been selected.

Abstract: An electronic device includes a touch input unit, a memory and a processing unit. The memory stores a table recording relationships between different time ranges and different functions executed by the electronic device. In the table, each time range corresponds to a function. The processing unit records the duration of receiving touch signals from a touch point of the touch input unit, searches the table to determine which time range the determined duration falls within, determines the function the determined duration corresponds to if the determined duration falls within one time range, and executes the determined function. The present disclosure also provides a related touch input method.

Abstract: A computer mouse includes a driver module, a plurality of wheels, a control module, and a plurality of sensors. The control module is electrically connected to the driver module and the sensors, and is capable of controlling the driver module to drive the wheels. The driver module is capable of providing driving force and driving the wheels. The sensors are capable of sensing movement information of the computer mouse, and the control module controls the driver module to adjust the movement state of the wheels according to the movement information. Thus, the sensors can accurately sense and obtain the movement information to prevent the computer mouse from falling from a support plane.

Abstract: A computer mouse includes a control module and a light emitting module connected to the control module. When the light emitting module is connected to a power supply of a computer by the control module, the control module detects intensity of ambient light around the computer mouse and controls the light emitting module to turn on/off according to the detected ambient light intensity.

Abstract: A second user interface screen is presented to a user in response to detection of a predefined user motion associated with a first user interface screen. In one embodiment, a method includes: presenting, via a display of an end-user device, a first user interface screen; detecting, via a user input device of the end-user device, a predefined user motion associated with the first screen, wherein the user motion is substantially in a direction of movement in a plane parallel to the display; and in response to detecting the user motion, presenting a second user interface screen via the display, the second screen including information corresponding to the first screen.

Abstract: A computer implemented method for performing a user-defined function in a computer system, performed by the computer system that is programmed to perform the method includes determining by a display a display position in response to a change and a rate change in state of a user-controlled user input device, determining by a physical sensor a magnitude of change in sensed physical in response to the rate of change in the state, determining whether the magnitude of change exceeds a threshold level, determining a function to perform in response to display position when magnitude of change in sensed physical properties exceeds the threshold level, initiating performance of the function in response to the function, and inhibiting performance of the function when the magnitude of change in sensed physical properties does not exceed the threshold level.

Abstract: A wireless keyboard in cooperation with a PC having a display includes a housing; a plurality of keys mounted on the housing; a micro-projector pivotably mounted on a front end of the housing; a camera pivotably mounted on the front end of the housing besides the micro-projector; and a touchpad mounted besides the keys.

Abstract: A touch-type transparent keyboard is for use with an electronic device. The touch-type transparent keyboard includes a touch screen, a control module electrically connecting to the touch screen, a transparent plate and a keyboard layer. The keyboard layer includes a number of key icons. The keyboard layer is disposed between the touch screen and the transparent plate. When a touching position corresponding to the key icons of the touch screen are touched, the control module detects a touch position coordinate and produces a corresponding command signal to the electronic device, and an image is shown on the electronic device.

Abstract: A touch-type transparent keyboard is for use with cooperation with an electronic device. The touch-type transparent keyboard includes a touch screen, a control module, a transparent plate. The control module is electronically connected to the touch screen. The transparent plate includes a plurality of key icons made of transparent electroluminescence material and a driver circuit electronically connecting the key icons to the control module. The control module triggers the driver circuit to illuminate the key icons, and the key icons are displayed through the touch screen.

Abstract: A touch-type transparent keyboard includes a touch screen, a transparent plate, and a light module. The touch screen is located on the transparent plate. The light module is located at a side of the transparent plate. When the light from the light module shines on the key icons and the key icons are displayed.

Abstract: An information processing apparatus includes: a key array having a key layout in which rows of input keys parallel to a first direction are arranged in a second direction orthogonal to the first direction and the input keys belonging to one row are shifted in the first direction to the input keys belonging to another row; first wiring electrodes routed between the input keys at intervals in the first direction and each having a capacitance changed by proximity of a detection target; second wiring electrodes routed along the first direction to thread through the rows and each having the capacitance; and a control unit to generate a control signal including a first signal on a position of the detection target along the first direction based on the capacitances of the first and second wiring electrodes and a shift amount of the input keys in each row in the first direction.

Abstract: A system for data entry is provided. The system includes a touch sensitive pad for inputting user gestures and a processor to assign a virtual keypad to the touch sensitive pad such that user gestures on the pad correspond to keys of the virtual keypad. According to one embodiment gestures on the touch sensitive pad correspond to key presses on a cellular phone type keypad.