Abstract: A mobile wireless communications device may include a portable housing, a printed circuit board (PCB) carried within the portable housing, wireless transceiver circuitry carried by the PCB within the portable housing, and an antenna carried by the PCB within the portable housing and connected to the wireless transceiver circuitry. The device may further include a first pair of electrically floating, electrically conductive, spaced apart, antenna beam shaping elements adjacent the antenna and spaced apart therefrom. A second pair of electrically floating, electrically conductive, spaced apart, antenna beam shaping elements may be adjacent the antenna and spaced apart therefrom. The first pair of antenna beam shaping elements may be positioned in an offset relationship relative to the second pair of antenna beam shaping elements.

Abstract: An integrated circuit (IC) antenna structure includes a micro-electromechanical (MEM) area, a feed point, and a transmission line. The micro-electromechanical (MEM) area includes a three-dimensional shape, wherein the three dimensional-shape provides an antenna structure. The feed point is coupled to provide an outbound radio frequency (RF) signal to the antenna structure for transmission and to receive an inbound RF signal from the antenna structure. The transmission line electrically coupled to the feed point.

Abstract: An wireless communication device has a housing with an exterior surface that is designed to face a user when the wireless communication device is transmitting a radio frequency signal. The communication device includes an antenna disposed inside the housing for emitting a radio frequency signal. A metal-dielectric structure resonates to reflect the radio frequency signal. The metal-dielectric structure is located between the antenna and the exterior surface at a position wherein he metal-dielectric structure traps and reflects the radio frequency signal thereby reducing a specific absorption rate of the wireless communication device.

Abstract: A device for transmitting radio waves comprises an item of transmitting equipment for a telecommunications antenna, a membrane for thermally protecting the reflector, and means for attaching the thermal protection membrane to the item of equipment. The thermal protection membrane is furnished with a plurality of elastic tensioners designed to keep the thermal protection membrane stretched between a first active face of the item of transmitting equipment and space, irrespective of the thermal expansions of the membrane. The item of transmitting equipment occurs in a predetermined temperature range when the attachment means attach the membrane to the item of transmitting equipment.

Abstract: A mobile terminal having multiple antennas and an antenna information display method of the mobile terminal are disclosed. Downlink signals are received through the multiple antennas, a channel state of each antenna is measured, and whether or not each antenna needs to be adjusted or an actual channel measurement value are displayed based on the measured channel state information and an antenna setting mode. Thus, a user can check an antenna with a poor reception performance by using the antenna adjustment information or the actual channel measurement value for antenna adjustment, and easily adjust the direction of the antennas.

Abstract: The present invention relates to a radio communication system configured to secondarily-radiate, to a desired area by reflection, primarily-radiated radio waves from a transmitter apparatus, by using a reflector plate for controlling phases of reflected waves, wherein a reflecting property of the reflector plate is set so that the reflector plate reflects the primarily-radiated radio waves as plane waves of equal phase directed to a direction different from a reflection angle in the case of specular reflection.

Abstract: An antenna module is provided. The antenna module includes a reflective superstrate, an antenna substrate, an antenna and a reflective pattern. The antenna is disposed on the antenna substrate. The reflective pattern is formed on the reflective superstrate, wherein a reflection gap is formed between the reflective superstrate and the antenna substrate. The reflective pattern provides a first reflection phase angle, the antenna substrate provides a second reflection phase angle, the first reflection phase angle includes a first determined phase angle ?1, the first determined phase angle ?1 is not 0°, the first reflection phase angle is about ?(180°??1), the second reflection phase angle includes a second determined phase angle ?2, the second reflection phase angle is about ?(180°??2), a dimension of the reflection gap is directly proportional to a total predetermined phase angle ?=?1+?2, and the total predetermined phase angle is between 0°˜90°.

Abstract: A dual-polarization omnidirectional antenna includes a reflecting base plate, a radiating oscillator, outputting coaxial cables, RF connectors, a metallic supporting pillar and a T-shaped probe. The radiating oscillator has an upper layer provided with a one-to-two feed dividing network and a lower layer provided with a round patch; the T-shaped probe is welded with the round patch. A mixing ring is arranged on the reflecting base plate; two RF connectors are respectively connected with a first port and a second port of the mixing ring; an inner conductor of a first outputting coaxial cable has a first end connected with the feed dividing network and a second end connected with a third port of the mixing ring; an inner conductor of another outputting coaxial cable has a first end connected with the T-shaped probe and a second end connected with a fourth port of the mixing ring.

Abstract: A plurality of first conductor patterns (200) are insular electrode patterns located at a first layer. The first conductor patterns (200) are arranged in a repetitive pattern and are separated from each other. A second conductor pattern (100) is located at a second layer parallel to the first layer, and extends in a sheet shape in a region opposite the plurality of first conductor patterns (200). An opening (300) is provided in each of the plurality of first conductor patterns (200). Third conductor patterns (400) are located at the first layer and disposed in each of a plurality of openings (300). The third conductor patterns (400) are separated from the first conductor patterns (200). Connection conductors (500) connect the third conductor patterns (400) to the first conductor patterns (200).

Abstract: An electronic apparatus includes: an antenna module configured to transmit and receive communication waves in a first direction; and a switching module disposed at a position in front of the antenna module, the switching module being configured to electrically switch a direction of the communication waves in the first direction and in a second direction that is different from the first direction.

Abstract: A mobile wireless communications device may include a portable housing having a surface, a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB. The device may further include an antenna connected to the transceiver, and at least one electrically floating, electrically conductive, antenna beam shaping element secured to the surface of the portable housing for directing a beam pattern of the antenna.

Abstract: A radiating element includes a supporting element and a plurality of radiating units formed at one end of the supporting element. Each of the radiating units has a lower surface facing towards the supporting element and an upper surface facing away from the supporting element. The radiating element further includes a first and second dividing pieces symmetrically disposed on each of the radiating units. The radiating element also includes a loading element formed on the lower surface of each of the plurality of radiating units, wherein the loading element extends outward from the supporting element and along an edge of the radiating unit. Moreover, the radiating element includes an electrical connecting element for connecting the radiating units to a feeding cable, the electrical connecting element being lower than the upper surfaces of the radiating units.

Abstract: A reconfigurable reflector for electromagnetic waves, comprising: a rigid support element (10) having a front surface (13); an elastically deformable reflective membrane (30) lying over the front surface of said rigid support element; and a plurality of linear actuators (20) for deforming said reflective membrane by operating on predetermined points thereof; wherein said linear actuators are embedded within said rigid support element, and have shafts (22) protruding by the front surface thereof for operating on predetermined points of said elastically deformable reflective membrane. Preferably, the rigid support element comprises a reflector dish having a sandwich structure having a honeycomb core (11) made of CFRP or aluminum, in which the linear actuators are embedded by conventional potting techniques. Antenna system comprising such a reconfigurable reflector, possibly operating as a subreflector (SR), and spacecraft telecommunication.

Abstract: This disclosure provides a horizontal radiation antenna. The antenna includes a back-surface-side grounded conductor plate on a back surface of a substrate, a radiation element to which a coplanar line is connected on the front surface of the substrate, and a passive element closer to an end portion side of the substrate than the radiation element. A front-surface-side grounded conductor plate is provided at a substantially same height as the radiation element with respect to a thickness direction of the substrate, and a conductive wall surface capable of reflecting a high-frequency signal radiated from the radiation element is provided between the front-surface-side grounded conductor plate and the back-surface-side grounded conductor plate.

Abstract: A chip package includes a plurality of layers including conductive planes connected by vias. The layers include a first portion having an antenna formed therein and a parallel-plate mode suppression mechanism to suppress parallel-plate mode excitation of the antenna. The parallel-plate mode suppression mechanism includes a reflector offset from an antenna ground plane and first grounded vias. A second portion has an interface for connecting to an integrated circuit device wherein the first portion and the second portion are separated by the parallel-plate mode suppression mechanism.

Abstract: A dual-polarization planar radiating element having an external metal grid, at least one metal patch concentric with the external metal grid and a cavity separating the metal grid and the metal patch, the grid and the patch having a polygonal shape delimited by at least four pairwise opposite sides, and two orthogonal directions of polarization associated with two orthogonal electric fields Ev and Eh, at least one of the directions of polarization being parallel to two sides of the polygon. Each side of the metal patch parallel to a direction of polarization is linked electrically to a zone of the external grid where one of the electric fields Ev or Eh is a minimum. The invention exhibits the advantage of reducing the phenomenon of electrostatic discharges in the planar radiating elements without significantly modifying the response of the radiating element subjected to an orthogonally polarized wave.

Abstract: A semiconductor chip integrating a transceiver, an antenna, and a receiver is provided. The transceiver is located on a front side of a semiconductor substrate. A through substrate via provides electrical connection between the transceiver and the receiver located on a backside of the semiconductor substrate. The antenna connected to the transceiver is located in a dielectric layer located on the front side of the substrate. The separation between the reflector plate and the antenna is about the quarter wavelength of millimeter waves, which enhances radiation efficiency of the antenna. An array of through substrate dielectric vias may be employed to reduce the effective dielectric constant of the material between the antenna and the reflector plate, thereby reducing the wavelength of the millimeter wave and enhance the radiation efficiency. A design structure for designing, manufacturing, or testing a design for such a semiconductor chip is also provided.

Abstract: An electromagnetic reflector includes an antenna that receives an incoming signal and that transmits an outgoing signal. A three-port device, such as a circulator, has a first port electromagnetically coupled to the antenna. An RF circuit has an input that is electromagnetically coupled to the second port of the three-port device and an output that is electromagnetically coupled to the third port of the three-port device. The RF circuit changes at least one of a gain and a phase of the incoming signal to generate a desired outgoing signal that passes through the three-port device to the antenna.

Abstract: A sensor element for opening of doors and gates, with the aim being to allow production of a detection field for identification of people and/or static objects by means of an antenna element, the antenna element is intended to have a flat antenna unit, with a pin-like antenna projecting at least approximately vertically from the flat antenna unit.

Abstract: A millimeter wave transceiver including a plate forming an interposer having its upper surface supporting an interconnection network and having its lower surface intended to be assembled on a printed circuit board by bumps; an integrated circuit chip assembled on the upper surface of the interposer; antennas made of tracks formed on the upper surface of the interposer; and reflectors on the upper surface of the printed circuit board in front of each of the antennas, the effective distance between each antenna and the reflector plate being on the order of one quarter of the wavelength, taking into account the dielectric constants of the interposed materials.

Abstract: A reflector useful for communications, radar and sensing application in space and on earth includes thin shell gores emanating from a geometric center of the reflector at its hub. Gores are provided in a spiraled pattern and are in elastic connection to said hub and wrapped around their point of convergence at the hub when the reflector is stowed. The gores emanate from the geometric center of the reflector hub at their elastic connection to the hub when they are deployed and operational as a reflector with a point of convergence to promote operation as a reflector. Thin shell gores can have an inner perimeter and outer perimeter, can be provided in a spiraled pattern, and can be interlocked at their outer perimeter, or in-between their inner and outer perimeter, while also remaining in elastic connection at their inner perimeter to said hub.

Abstract: An object of the present invention is a device for assembling the components of a panel antenna that comprises at least one volumic radiating element comprising a base atop which is mounted a radiating plane, and at least one component of the antenna's mechanical structure. The device comprises a dielectric member comprising a central area comprising a first fastening means cooperating with the radiating component, lateral areas comprising second fastening means cooperating with longitudinal edges of the antenna's mechanical structure, and an intermediate area comprising a third means of flexible linking between the first and the second fastening means.

Abstract: A deformable reflecting membrane includes, in thickness, an alternating superposition of layers of conductive elastomer and at least two reinforcing layers, each reinforcing layer being divided up into individual patches spaced apart from one another and distributed periodically in the plane of the reinforcing layer. The membrane is applicable notably to the space domain.

Abstract: Various antenna assemblies are disclosed. In one example, an antenna assembly includes a reflector including a first ground plane, a second ground plane below and spaced apart from the reflector, an antenna adjacent a surface of the reflector opposite the second ground plane, and a grounding post galvanically connecting the first ground plane and the second ground plane.

Abstract: A feed element is configured to include a first antenna element having a first width, a dual-band forming inductor, and a second antenna element having a second width wider than the first width, where the first antenna element, the dual-band forming inductor, and a second antenna element are connected in series. The inductor is formed in a meander shape which has a trapezoidal envelope external shape to have a width formed to widen from the first width of a portion connected to the first antenna element toward a portion connected to the second antenna element.

Abstract: The present invention relates to a planar antenna structure comprising at least one radiating element constituted by a longitudinal radiation slot etched onto a substrate. This structure comprises at least one modification element of the radiation pattern positioned in the radiation zone of the radiating element.

Abstract: According to one embodiment, an antenna apparatus includes an antenna element formed into a spiral shape, a sheet-shaped magnetic material arranged in tight contact with a back surface of the antenna element, and a reflector arranged with an air gap to the magnetic material.

Abstract: An electrically small supergain endfire transmitting and receiving array antenna comprising at least one first resonant element with a first input terminal. The first resonant element driven by a power supply voltage supplied at the first input terminal. The electrically small supergain endfire transmitting and receiving array antenna further includes at least one second resonant parasitic element with a second input terminal. The second input terminal shorted and the second resonant element spaced less than about 0.25? from the first resonant element at any corresponding point. The antenna has a gain of at least 6 db and ka<1.0.

Abstract: A millimeter-wave communication system includes (i) an antenna comprising a reflector and a feed, the feed comprising a first waveguide, (ii) a Printed Circuit Board (PCB) comprising a modem, a processor, and a radio receiver coupled with a probe, the PCB is mechanically fixed to one end of the feed, such that the PCB is mechanically held by the feed, and the probe is located in a position allowing reception of millimeter-waves exiting the first waveguide towards the PCB, (iii) an Ethernet connector, (iv) at least one flexible cable operative to carry Ethernet signals between the first PCB and the Ethernet connector, and (v) a box housing the PCB and the Ethernet connector. The Ethernet connector and the feed are mechanically fixed to the box, and the only mechanical connection between the PCB and the box is via the feed.

Abstract: A reflectarray, including: a substrate; and a plurality of patches formed on each of areas into which a principal surface of the substrate is divided, wherein the plurality of patches are formed by including a gap.

Abstract: A patch antenna synchronously generating a circularly polarized wave and a linearly polarized wave comprises a first radiator radiating a circularly polarized wave with respect to an antenna signal, a first substrate provided at a part or the whole of the rear surface of the first radiator, a second radiator provided at a part or the whole of the rear surface of the first substrate and radiating a linearly polarized wave with respect to the antenna signal, and a second substrate provided at a part or the whole of the rear surface of the second radiator.

Abstract: A patch antenna is disclosed. The disclosed patch antenna may include: a first radiator configured to generate a circular polarized wave; a first dielectric substrate equipped under the first radiator; a second radiator, placed under the first radiator at a designated distance from the first radiator, and configured to generate a linear polarized wave; a second dielectric substrate equipped under the second radiator; and a reflecting plate equipped under the second radiator at a designated distance from the second radiator; where the first dielectric substrate, the second radiator, the second dielectric substrate, and the reflecting plate are connected through at least one via. A patch antenna according to the present invention has the advantages of being able to generate linear polarized waves and circular polarized waves simultaneously, and of having a small size while still having a high design frequency band.

Abstract: A structural body of the invention includes a first conductor plane (1), a plurality of second conductor planes (4) of which at least a portion is provided facing the first conductor plane (1), and a transmission line (6), having an open end, which is disposed between the first conductor plane (1) and the second conductor plane (4), electrically connected to any one conductor plane of the first conductor plane (1) or the second conductor plane (4) through a conductor connection portion (5) and provided facing the other conductor plane. A unit structure including at least the second conductor plane (4), the transmission line (6), and the conductor connection portion (5) is repeatedly disposed.

Abstract: The invention concerns a radio antenna for a space satellite, including a reflector and means of support of this reflector. The reflector includes a front skin able to reflect radio waves, a rigid rear structure supported by the means of support, and a layer of elastic material interposed between said front skin and said rigid rear structure, able to dampen the vibrations of the front skin.

Abstract: A radio antenna, particularly for a spacecraft, including a reflector and means of support of this reflector, where the reflector includes a body able to reflect radio waves, and a rigid rear structure supported by the means of support and connected to the body by decoupling angles, wherein each of said decoupling angles includes, at one at least of its ends, a layer of elastic material able to dampen at least one axial component of vibrations of the body.

Abstract: Method for focusing an electromagnetic or acoustic wave on a point near which one or more diffusers are placed, comprising a learning step in which the pulsed responses hij(t) between the focus point and each antenna of the network are determined. Waves corresponding to signals Sji(t)=Si(t)hij(?t), where Si(t) is a function of time and hij(?t) is a temporal inversion of the pulsed response hij(t), can then be transmitted form said antennas of the network.

Abstract: A steerable antenna includes an radiating antenna element and parasitic antenna elements. Each of the parasitic antenna elements is provided with a pair of PIN diodes. On each of control lines connecting the PIN diodes to a controller, inductors are provided at predetermined intervals on portions of the control line electromagnetically coupled to another steerable antenna. The intervals for providing the inductors is set to such a length that substantially no resonance occurs in a section of the control line between the inductors at an operating frequency of the steerable antenna.

Abstract: An electronically steerable antenna includes at least one driven element, at least one controllable counterpoise element, and a support structure on which the driven element and the controllable counterpoise element are disposed. The controllable counterpoise element has at least one geometric characteristic which can be varied. A radiating angle of the driven element is selectively controlled, at least in part, by modifying the geometric characteristic of the at least one controllable counterpoise element. The counterpoise element may include multiple conductive segments, at least a subset of which may be adapted to be individually electrically connected together so as to modify the radiating angle of the driven, element.

Abstract: To provide an adaptive array antenna capable of increasing resolution of a variable beam direction of the antenna without increasing a calculation amount in arithmetic processing unit for optimally controlling a variable phase shifter. A parasitic element-equipped adaptive array antenna (100) includes n (n is an integer equal to or greater than 2) parasitic antenna elements (1011 to 101n), (n?1) fed antenna elements (1021 to 102n-1) which are coupled to the parasitic antenna elements (1011 to 101n) by electromagnetic fields, and (n?1) variable phase shifters (1041 to 104n-1) which change the phases of radio frequency signals to be supplied to the respective fed antenna elements (1021 to 102n-1). Each of the fed antenna elements (1021 to 102n-1) is arranged astride at least two of the parasitic antenna elements (1011 to 101n).

Abstract: A sensor system having a sharply defined zone of active sensing comprising a compound antenna system comprising an antenna structure disposed in relation to a shield structure and spaced from the shield structure, the shield structure having an open aperture in front of the antenna structure in the direction of a lobe of sensitivity of the antenna structure. In various embodiments, the shield structure may be layered on the inside between the antenna and the shield structure with an RF absorbing material. The aperture may be formed in part by adjustable panels and the antenna spacing from the aperture may be adjustable by adjusting an antenna mounting position within the shield. The compound antenna system may be coupled to a receiver having a threshold response based on the compound antenna system response characteristic.

Abstract: An antenna assembly is provided suitable for use with a remote communications module such as, for example, a keyless entry module, a tire pressure monitoring module, etc. The antenna assembly generally includes a support, a folded metallic antenna element mounted on the support, an amplifier coupled to the folded antenna element, and a transmission line coupled to the amplifier.

Abstract: A multi-band antenna is provided that operates in non-harmonically related frequency bands. The antenna includes a primary antenna element for a first frequency band of the non-harmonically related bands, said primary antenna element extending perpendicularly from a ground plane, the primary antenna element electrically isolated from the ground plane, a plurality of secondary elements extending from the ground plane parallel to the primary antenna element and arranged in a circle around the primary antenna element, each of said plurality of secondary elements electrically isolated from the primary antenna element and ground plane and a plurality of antenna elements for a second frequency band of a higher relative frequency than the first frequency band, the plurality of high frequency antenna elements extending parallel to the primary and secondary antenna elements and disposed in a circle around the secondary antenna elements.

Abstract: An antenna structure includes an antenna radiating portion, a grounding portion, a connecting portion and a reflecting element, and the antenna radiating portion includes a feed point, and the grounding portion is perpendicular to the antenna radiating portion, and the connecting portion is coupled to the antenna radiating portion and the reflecting portion, and the reflecting element is installed on another side of the grounding portion and corresponding to the antenna radiating portion, and the reflecting element includes first and second reflecting portions with an included angle between the first and second reflecting portions equal to 0˜65 degrees, and the antenna radiating portion and the reflecting element are formed integrally by bending a metal sheet to achieve effects of reducing interferences caused by external factors, providing the desired directivity, lowering the production cost, and reducing the manufacturing time.

Abstract: A GPS antenna is provided with a reflective conductor portion. Thereby, an electromagnetic wave radiated from an antenna conductor portion in a predetermined direction can be grounded electrically, and thus radiation of the electromagnetic wave in a direction (arbitrary direction) opposite to the predetermined direction can be enhanced. As a result, the directivity of the electromagnetic wave in the arbitrary direction can be enhanced to improve the positioning accuracy.

Abstract: A miniature variable-beam microwave antenna (1) comprises antenna conductors (100a, 100b), an EBG conductor (120), a variable reactance element (130), and an adjusting part (150). The EBG conductor (120) is connected to a grounded part (160) through the variable reactance element (130). The adjusting part (150) changes the apparent reactance of the EBG conductor (120) by changing the capacity of the variable reactance element (130). As the apparent reactance of the EBG conductor (120) changes, the directivity of the miniature variable-beam microwave antenna (1) also changes.

Abstract: A first printed circuit board for vertical polarized wave has a plurality of vertical polarized wave elements which serves as antenna elements, and a first feeder circuit which is connected to the plurality of vertical polarized wave elements. A second printed circuit board for horizontal polarized wave has a second feeder circuit which is connected to a plurality of horizontal polarized wave elements which serves as antenna elements, and is mounted with the plurality of horizontal polarized wave elements. A cutout portion is provided between the adjacent two vertical polarized wave elements of the first printed circuit board, and the first and second printed circuit boards are arranged parallel so that the horizontal polarized wave elements are arranged in the cutout portions of the first printed circuit board.

Abstract: A beam switching antenna method and apparatus for controlling a beam switching antenna system including an antenna element for forming a beam, at least one conductive reflector for reflecting the beam, and a ground switch for applying a reference voltage to the at least one conductive reflector, the method includes forming the beam of the antenna element, and imparting the formed beam with a predetermined beam pattern by controlling the ground switch to apply the reference voltage to at least one conductive reflector.

Abstract: An antenna and a wireless mobile communication device incorporating the antenna are provided. The antenna includes a first conductor section electrically coupled to a first feeding point, a second conductor section electrically coupled to a second feeding point, and a near-field radiation control structure adapted to control characteristics of near-field radiation generated by the antenna. Near-field radiation control structures include a parasitic element positioned adjacent the first conductor section and configured to control characteristics of near-field radiation generated by the first conductor section, and a diffuser in the second conductor section configured to diffuse near-field radiation generated by the second conductor section into a plurality of directions.

Abstract: To provide a wireless IC tag which is readable even in a plurality of countries (destination countries) using different radio frequency bands for reading. The wireless IC tag of the present invention is characterized by comprising: a case (20); an antenna (60), which is provided in the case (20); a metal plate (901), which is disposed in the case opposite to the antenna (60); and a mechanism for altering the resonance characteristics of the wireless IC tag (10) by moving at least one of the antenna (60) and the metal plate (901) in the case (20), thereby altering the distance (D) between the metal plate (901) and the antenna (60). With such wireless IC tag (10), the capacitance of an equivalent tuning capacitor consisting of the antenna (60) and the metal plate (901) can be arbitrarily altered by a distance alteration unit, and thereby, the resonance characteristics of the wireless IC tag (10) can be altered in accordance with the frequency band of reading radio wave used by a reader/writer.

Abstract: The present invention provides electronic communication devices, methods of forming electrical communication devices, and communications methods. An electronic communication device adapted to receive electronic signals includes: a housing comprising a substrate and an encapsulant; an integrated circuit provided within the housing and comprising transponder circuitry operable to communicate an identification signal responsive to receiving a polling signal; an antenna provided within the housing and being coupled with the transponder circuitry; and a ground plane provided within the housing and being spaced from the antenna and configured to shield some of the electronic signals from the antenna and reflect others of the electronic signals towards the antenna.