Abstract: Handheld electronic devices are provided that contain wireless communications circuitry having at least first and second antennas. An antenna isolation element reduces signal interference between the antennas, so that the antennas may be used in close proximity to each other. A planar ground element may be used as a ground by the first and second antennas. The first antenna may be formed using. a hybrid planar-inverted-F and slot arrangement in which a planar resonating element is located above a rectangular slot in the planar ground element. The second antenna may be formed from an L-shaped strip. The planar resonating element of the first antenna may have first and second arms. The first arm may resonate at a common frequency with the second antenna and may serve as the isolation element. The second arm may resonate at approximately the same frequency as the slot portion of the hybrid antenna.

Abstract: A handheld electronic device may be provided that contains wireless communications circuitry. The handheld electronic device may have a housing and a display. The display may be attached to the housing using a conductive bezel. The handheld electronic device may have one or more antennas for supporting wireless communications. A ground plane in the handheld electronic device may serve as ground for one or more of the antennas. The ground plane and bezel may define an opening. A rectangular slot antenna or other suitable slot antenna may be formed from or within the opening. One or more antenna resonating elements may be formed above the slot. An electrical switch that bridges the slot may be used to modify the perimeter of the slot so as to tune the communications bands of the handheld electronic device.

Abstract: An antenna includes a substrate, a feed line formed on one surface of the substrate, a ground plane formed on the other surface of the substrate, a short-circuit stub that extends from a terminating end of the feed line and contacts the ground plane, and slits formed on the ground plane so as to cross the feed line.

Abstract: Power is fed from a feeding coil to a receiving coil using magnetic resonance. The feeding coil is wound in a first layer substrate 144 of a multilayer substrate 116 with a space provided between the coil conductor thereof and further wound in a second later substrate 146 with a space provided between the coil conductor thereof. The feeding coil is wound such that a coil conductor 106a in the first layer and a coil conductive wire 106b in the second layer do not overlap each other as viewed in the axial direction (z-axis direction).

Abstract: The present disclosure provides a radiating element, such as a Balanced Antipodal Tapered Slot Antenna (BAVA) radiating element having embedded circuitry which includes an integrated filter and functions as a port mismatch circuit for protecting a communication system implementing the radiating element from jammers. The embedded circuitry may provide a dynamically adjustable filter and/or a port mismatch circuit at the radiating element level which allows for center frequency tuning, provides selectivity and/or acts as an adaptive first line of defense layer for protecting sensitive radio and digital signal processing (DSP) physical layers of the communication system.

Abstract: A MMIC amplifier is directly connected to the balanced feed points at the aperture of an antenna to eliminate the distance between electronics coupled to the antenna and the antenna itself, such that interfaces, components and connection lines which introduce losses and parasitic effects that degrade system performance are eliminated due the direct connection. Expanding the aperture of the antenna to accommodate the direct connection of a MMIC amplifier to balanced feed points of an antenna has been found to have no deleterious effects on antenna performance. Moreover, when coupling the MMIC amplifier to an unbalanced coaxial line, any associated ripple is minimized due to the direct connection.

Abstract: Systems and methods which utilize a symmetrical partially coupled microstrip slot feed patch antenna element configuration to provide highly decoupled dual-polarized wideband patch antenna elements are shown. Embodiments provide a microstrip slot feed configuration in which a slot of a first signal feed is centered with respect to the patch and further provide a microstrip slot feed configuration in which slots of a second signal feed are symmetrically disposed with respect to the center of the patch and at positions near the edges of the patch. The microstrip feed utilized in communicating signals with respect to the slots of the second signal feed is adapted to provide signals of substantially equal amplitude and 180° out of phase with respect to each other according to embodiments. The second signal feed configuration utilized according to embodiments provides partial coupling between the patch and the second signal feed.

Abstract: An antenna apparatus includes: an extension conductor connected to a first section of an outer perimeter of an antenna element and along an entire length of the first section; connecting conductors connecting the antenna element to a ground conductor between the extension conductor and feed points on the antenna element; and a slit extending from the extension conductor to the antenna element so as to intersect a portion between connecting points of the connecting conductors and to intersect a portion between the feed points on the antenna element. The slit has a short-circuited end on the extension conductor.

Abstract: A mobile communications device having a patch antenna which has defined therein at least two slots each having two or more parts. The at least two slots may include an L-shaped slot and a C-shaped slot, wherein the slots can be open or closed. The L-shaped slot may be an open-slot projecting into the patch antenna from the edge. Ground and signal connections may be at the edge of the patch on either side of the L-shaped slot. The C-shaped slot may be nested within the L-shaped slot.

Abstract: The planar inverted-F antenna for multi-band operation is compact while achieving good decoupling performance between feed ports for different frequency bands. The antenna has a ground plane (100); a radiating element having substantially a U-shape; first and second shorting elements (31, 32) located at a first corner (10s) of the radiating element (10) or adjacent area thereof; and first and second feed ports (P1, P2) electrically connected to the radiating element.

Abstract: An antenna system includes: an antenna; and a transceiver for wireless data communication interconnected with the antenna for electromagnetic field emission and electromagnetic field reception; wherein the antenna comprises: an electrically conductive material, and a slot in the electrically conductive material, the slot extending in a plane that is substantially parallel with a body of a user when the antenna system is worn in its operational position by the user, the slot being configured to cause emission of an electromagnetic field upon excitation.

Abstract: This disclosure is directed to broadband polarization diversity antennas. In one aspect, a polarization diversity antenna includes a baseboard with a baseboard-feed line located on a first surface. The baseboard-feed line includes a serpentine meander-line portion. The antenna also includes an antenna-array board with two or more antenna elements arranged in a series. The antenna-array board is attached to the first surface with the serpentine meander-line portion located between an edge of the antenna-array board and the baseboard. Each antenna element is connected to the serpentine meander-line portion via an antenna-feed line located on the antenna-array board. The antenna array provides two dimensional polarization broadcasting and receiving of electromagnetic radiation. In another aspect, a notch antenna is formed on an opposing second surface of the baseboard opposite the antenna-array board in order to provide three-dimensional polarization broadcasting and receiver of electromagnetic radiation.

Abstract: The present invention is directed to a radiating element assembly including radiating element integrated with a radome. The radiating element assembly may be dual-polarized. Further, the radiating element assembly may operate over a frequency band of 10.9 GHz-14.5 GHz and may be configured for minimizing polarization cross-talk at Array Normal Scan of well below ?30 decibels over the entire frequency band. Still further, the radiating element assembly may provide return loss at Array Normal Scan of less than or equal to ?10 dB.

Abstract: Handheld electronic devices are provided that contain wireless communications circuitry having at least one antenna. The antenna may have a planar ground element and a planar resonating element. The planar ground element may have a rectangular shape that matches a rectangular housing shape for a handheld electronic device. A dielectric-filled slot may be formed in one end of the planar ground element. The planar resonating element may be located above the slot. The antenna may be a hybrid antenna that contains both a slot antenna structure formed from the slot and a planar inverted-F structure formed from the planar resonating element and the planar ground element. The antenna may be fed using a single transmission line or two transmission lines. With two transmission lines, one transmission line may be associated with the slot antenna structure and one transmission line may be associated with the planar inverted-F antenna structure.

Abstract: An antenna method and apparatus includes a slot antenna configured within a ground plane and a conductive reflector backing the slot antenna and configured to reflect RF energy. The slot antenna, ground plane, and the reflector cooperatively form a reflector-backed slot antenna and a radial-mode waveguide providing an inverse, mirrored, substantially cosecant-squared radiation pattern.

Abstract: Handheld electronic devices are provided that contain wireless communications circuitry having at least first and second antennas. An antenna isolation element reduces signal interference between the antennas, so that the antennas may be used in close proximity to each other. A planar ground element may be used as a ground by the first and second antennas. The first antenna may be formed using. a hybrid planar-inverted-F and slot arrangement in which a planar resonating element is located above a rectangular slot in the planar ground element. The second antenna may be formed from an L-shaped strip. The planar resonating element of the first antenna may have first and second arms. The first arm may resonate at a common frequency with the second antenna and may serve as the isolation element. The second arm may resonate at approximately the same frequency as the slot portion of the hybrid antenna.

Abstract: A Vivaldi-Monopole antenna is a small form ultra-wideband antenna configured for low frequency operation in modern wireless devices. The Vivaldi-Monopole antenna comprises a tapered-slot element and a monopole element, wherein current modes of each element are combined to yield a functional and small form ultra-wideband antenna configured for low frequency resonances.

Abstract: The present invention relates to a strap device for a curtain or a flexible door, said straps having embedded RFID reader antenna modules and different MEMS and MOEMS sensors that make it possible to detect the direction of the objects passing through the gate and also detect the size of the objects so as to modulate the switching of the radiating elements of antennas on the basis of the position of the objects being read. The device also has embedded biosensors that measure in parallel the presence of toxic substances or materials. The device according to the invention has an LED or OLED and PHOLED display means embedded in the strap, more specifically, in a flexible material of the strap. The invention is particularly intended for the qualitative and quantitative traceability of materials passing through a logistical check gate. The device is intended for all places already having curtains with flexible straps, into which it is easily embedded. The device is suitable for all existing RFID readers.

Abstract: A millimeter-wave radio antenna module (600) comprising: an antenna substrate (603) having an antenna (602) provided on a face thereof; and a semiconductor die (601) comprising a wireless system IC, the die mounted on a face of the antenna substrate and configured to provide a signal to the antenna, wherein a ball grid array (605) is formed on a face of the antenna substrate for mounting the antenna module to a circuit board, the ball grid array being configured to define an air dielectric gap (606) between the antenna and the circuit board.

Abstract: An antenna structure comprises a substrate, a first antenna unit and a second antenna unit. The substrate comprises a first surface and a second surface opposing the first surface. The first antenna unit is disposed on the first surface, and comprises at least a first slot with a wider inside and narrower outside at the edge of the first antenna unit. The second antenna unit is disposed on the second surface, and is connected to the first antenna unit through a hole in the substrate. The radius of the at least one first slot is one-fourth the wavelength of the central frequency of the antenna structure.

Abstract: This disclosure is directed to broadband notch antennas. In one aspect, a notch antenna includes a dielectric plate having a first surface and a second surface located opposite the first surface. A conductive layer is disposed on the first surface and has a notch region that exposes the dielectric plate between edges of the conductive layer. The antenna also includes two or more frequency matching circuits that branch from the notch region. Each matching circuit is configured to send and receive electromagnetic radiation in a frequency band of a radio spectrum.

Abstract: An electronic device may be provided with a housing. The housing may have a periphery that is surrounded by peripheral conductive structures such as a segmented peripheral metal member. A segment of the peripheral metal member may be separated from a ground by a slot. An antenna feed may have a positive antenna terminal coupled to the peripheral metal member and a ground terminal coupled to the ground and may feed both an inverted-F antenna structure that is formed from the peripheral metal member and the ground and a slot antenna structure that is formed from the slot. Control circuitry may tune the antenna by controlling adjustable components that are coupled to the peripheral metal member. The adjustable components may include adjustable inductors and adjustable capacitors.

Abstract: An air-to-ground network communication device may include a conductive groundplane and an antenna element. The conductive groundplane may be disposed to be substantially parallel to a surface of the earth. The antenna element may extend substantially perpendicularly away from the groundplane and may have an effective length between about 1? to about 1.5?. The antenna element may be disposed at a distance of about 0.5? to about 1? from the groundplane.

Abstract: Laminated vehicle glazing with a conductive panel defining slot antennas between the conductive panel and the metal surround of the vehicle with connecting leads, and a camera or other device in an area where the device and the antenna do not overlap. Locating the device in a different position to the slot antenna reduces the electromagnetic interference that the slot antenna experiences and prevents malfunction of the device where the slot antenna is used to transmit radio signals.

Abstract: A circularly polarized array antenna (30) is disclosed. A single layer dielectric substrate (36) has a ground plane (32) located on its upper surface of the substrate and covering only part of the upper surface. A plurality of antenna elements (40-54) are also located on said upper surface of the substrate. Each antenna element has a slot element (60-74) formed in the ground plane and a respective loading element (80-94) located within each slot element. The antenna elements being arranged in a regular array where each respective slot element is sequentially rotated in space with respect to adjacent slot elements, and the loading elements generate a perturbation under excitation. A microstrip feed network (100) is located on the underside of the substrate to provide excitation to each slot element, and including feeds of different lengths to be electrically sequentially rotated in common with spatial rotation of the slot elements.

Abstract: An antenna further comprising: a first port, a second port, where the first port is 180-degrees out of phase with respect to the second port.

Abstract: An adaptor for a solid-state oscillator and related microwave adaptors includes an input segment of a conductive material, a first coaxial portion that includes a first inner conductor coupled to the input segment and a first outer shielding segment, and a capping portion coupled to the first coaxial portion to electrically couple the first inner conductor and the first outer shielding segment.

Abstract: An antenna device for a wireless communication device is disclosed. The antenna device includes a metal plate including a radiating element formed with at least a slot structure and a feed-in terminal and a grounding element, and a connecting unit electrically connected between the grounding element and a system grounding unit of the wireless communication device.

Abstract: This invention relates to a miniature multiband antenna, in which a substrate being the carrier of a conductive element, and the conductive element configured as a layer onto the substrate and being the radiator in form of a slot, and a conductive layer configured onto the substrate and being the antenna feed line in form of a polygon patch area. Alternative embodiments illustrate use of slot type—and meander type antennas. The invention may be applied in any kind of electronic equipment, where a high capacity wireless system is required and within a very small physical embodiment.

Abstract: An antenna array for a motor vehicle has at least one seal which is composed of a nonconductive material and has an antenna which is mounted in the region of a sealing face of the seal and has the purpose of receiving radio signals. A convertible roof or sun roof or some other metallic vehicle part which is part of the antenna array can be positioned against the sealing face during the operation of the antenna and removed again. The antenna forms, with the metallic vehicle part which bears against the seal, the slot antenna which is effective between at least two metal faces. On the other hand, in the state in which no vehicle part bears against the seal, the antenna forms a flat electrical reception monopole which extends at a distance from a metal face which forms the antenna ground.

Abstract: A communication device includes an antenna structure, wherein the antenna structure includes a ground element and an antenna element. One edge of the ground element has a notch, and the notch is extended into the interior of the ground element to form a slot region. The slot region is substantially extended along the edge of the ground element. The antenna element includes a first radiating portion and a second radiating portion. The first radiating portion is disposed in the slot region and is excited to form at least a resonant mode in the first operating band of the antenna element. The second radiating portion is an open-slot antenna and is formed by the slot region. The second radiating portion is excited to form a resonant mode in the second operating band of the antenna element.

Abstract: An antenna coupler for testing a mobile-radio device with a coupling element formed in a flat manner by strip conductors on a printed-circuit board and with a retaining device formed on a first side of the printed-circuit board for positioning a mobile-radio device in the vicinity of the coupling element. On the first side of the printed-circuit board, at least one slit structure is introduced into an ground metallization formed there. For feeding the slit structure serving as the coupling element, at least one stripline formed on the second side facing away from it forms a microstripline with the ground metallization remaining between the slit structure of the first side.

Abstract: An antenna is disclosed. The antenna may have a slotted conductive reference sheet, a first dielectric material and a second dielectric material. The first dielectric material may reside on a first side of the reference sheet, and the second dielectric material may reside on the second side of the reference sheet. The first dielectric material has a first K-value, and the second dielectric material has a second K-value. The second K-value is larger than the first K-value.

Abstract: The present invention provides a shielding module integrating antenna and integrated circuit component, which comprises an artificial magnetic conductor board, an antenna, a common ground face, a plurality of first via holes, a shielding slot, a plurality of second via holes, and an IC component. The IC component is embedded in the shielding slot formed between the common ground face and surrounded by the plurality of second via holes of the artificial magnetic conductor board. Accordingly, the antenna is formed and shielded above the shielding slot, the plurality of second via holes, and the IC component separated by the common ground face and the plurality of first via holes of the artificial magnetic conductor board. As a result, the package area of integrated circuit component and cost is reduced while shielded from external noise and electromagnetic interference.

Abstract: An antenna includes a ground plane and an antenna plane arranged on the ground plane by at least one bar. A feed line is guided sideways between the ground plane and the antenna plane to a feed contact of the antenna plane.

Abstract: An antenna includes an antenna element to transmit or receive electromagnetic signals, and a ground conductor to be grounded. The antenna element includes two conductors arranged substantially parallel to each other, a power feed portion provided between one conductor of the two conductors and the ground conductor, and connected to a feed system, a shorting portion for electrically connecting an other conductor of the two conductors and the ground conductor, and a conductor connecting portion for electrically connecting the two conductors together. The distance between the two conductors is not more than 1/100 a wavelength equivalent to a minimum frequency of operating frequencies of the antenna.

Abstract: An electronic apparatus includes a metallic case including an antenna pattern formed on an area of the metallic case where two sides surfaces of the case meet, the antenna pattern forming a slit antenna including a slit connecting one side of the antenna pattern to an open area of the metallic case, and a circuit board configured to process signals received at the antenna pattern.

Abstract: A directional slot antenna comprises a radiating component coupled to a reflector. A reflector spacing gap or cavity between the radiating component and the reflector has a height which is less than a predetermined height of a free-space reflector spacing cavity associated with desired gains for frequencies of interest. A dielectric material insert is positioned within the reflector spacing cavity and fills or partially fills the cavity. The reduced-height cavity including the dielectric material insert provides an increased electrical separation between the radiating component and the reflector that corresponds to the predetermined height of the free-space reflector spacing cavity.

Abstract: An integrated driveshaft cover antenna includes a driveshaft cover including a conductive layer and having a generally curved cross-section. The driveshaft cover is hingeably secured and electrically coupled to a helicopter tail boom section to cover a driveshaft access opening. The integrated drive shaft cover includes a dielectric layer including a first surface shaped to conform to a curved outer surface of the driveshaft cover and a second surface opposite the first surface. The first surface of the dielectric layer is positioned over the curved outer surface of the driveshaft cover. The first surface is secured to the curved outer surface of the driveshaft cover. The integrated drive shaft cover includes a slotted patch high frequency (HF) antenna layer having an inner slot and extends a majority of a length of the dielectric layer. The slotted patch HF antenna layer is secured to the second surface of the dielectric layer.

Abstract: A wideband horizontally polarized antenna includes a metallic antenna housing having four sides, a rectangular or hourglass slot in each side that is preferably offset from center, a square coaxial transmission or feed line positioned along a central axis of the metallic antenna housing, and a metal tab connecting each of the slots to the feed line. The antenna operates over a wide bandwidth and has a small profile.

Abstract: An electronic product includes a case; a first board placed inside the case; and a second board having an Electromagnetic Band Gap (EBG) structure inserted therein. The second board is coupled to an inside of the case facing the first board so as to shield a noise radiated from the first board.

Abstract: According to one general aspect, an apparatus may include an electrically conductive frame and a slot antenna. The slot antenna may be formed, at least in part, by the electrically conductive frame, wherein the slot antenna includes a slot opening and is configured to provide at least a first frequency resonance. The width of the slot opening may be equal to or less than 1/200th of the wavelength of the first resonant frequency.

Abstract: An antenna resonating element may be mounted in an antenna cavity. The antenna resonating element may have a printed circuit board substrate with a patterned metal layer. Components may be soldered to the antenna resonating element using solder with a given melting point before soldering the antenna resonating element the antenna cavity using solder with a lower melting point. Solder widow openings may be formed in the antenna resonating element and antenna cavity to allow for application of solder paste. Engagement features and alignment structures may be used to align the antenna resonating element relative to the antenna cavity. The antenna cavity may have a curved opening. The printed circuit board substrate may be bent to the shape of the curved opening before soldering components to the printed circuit board. An elastomeric fixture may be used to hold the antenna resonating element to the cavity during soldering.

Abstract: The present invention relates to a planar composite right/left handed (CRLH) antenna, comprising: a substrate body which is made of dielectric materials, and which has a planer structure; a radiation line which is disposed on one side of the substrate body, and which is bent to form a slot for exposing a predetermined width of the substrate body through both ends thereof, and which resonates at a predetermined frequency band when fed; and a feeder line which is disposed on the outer side of the substrate body, which extends across the slot, and which feeds electric power to the radiation line. The planar CRLH antenna of the present invention is small in size, and expands a radiation area, thereby expanding an available frequency band, or using a dual frequency band.

Abstract: A dual-band antenna, disposed in a substrate, is provided. The dual-band antenna includes: a feeding part and a slot antenna. The feeding part, disposed on a first side of the substrate, is used for feeding electromagnetic signals with a first resonance frequency and a second resonance frequency, wherein the second resonance frequency is substantially equal to twice the first resonance frequency. The slot antenna includes: a rectangular part with two long edges and two short edges, and a funnel part with a bottom edge, a top edge, and two side edges, wherein the bottom edge is shorter than the top edge, and the two side edges are equal in length substantially, the bottom edge of the funnel part is next to a short edge of the rectangular part, and a center line of the slot antenna corresponds to wavelength of the first frequency.

Abstract: A slot antenna and an information terminal apparatus using the same are provided. The slot antenna comprises: a conductive housing; and at least one slot formed on the corner and edge of the conductive housing.

Abstract: An antenna formed on a semiconductor structure having a substrate with electrical circuits thereon operationally related to the functionality of an antenna and one or more metallic structures formed by a through silicon via, microbump, copper pillar, or redistribution layer proximate to the substrate. The one or more metallic structures form a radiating element of the antenna. Exemplary antennas thus formed can include a slot antenna, a WLAN slot antenna, a planar invented F antenna (PIFA), a spiral antenna, a dipole antenna, a Yagi antenna, a planar dipole antenna, a vertical dipole antenna, a patch antenna, a helical antenna, a loop patch antenna, and combinations thereof.

Abstract: A mobile device includes a ground element, a conductive bezel, a nonconductive layer, and a feeding element. The conductive bezel is substantially independent of the ground element. A slot is formed in the conductive bezel. The nonconductive layer is affixed to the conductive bezel and covers the slot of the conductive bezel. The feeding element is close to the slot of the conductive bezel and is coupled to a signal source. An antenna structure is formed by the feeding element and the slot.

Abstract: An antenna and a communication system with the antenna are provided. The antenna may include a first layer including a plurality of folded stubs, a second layer including a pattern of the folded stubs, and a third layer connected to ground is disposed between the first layer and the second layer.

Abstract: A microstrip-fed antenna is disclosed having a first dielectric substrate and a second dielectric substrate. The second dielectric substrate is disposed on the first dielectric substrate and the first dielectric substrate has a relative permittivity greater than or equal to the second dielectric substrate. The antenna further includes a microstrip line formed in the second dielectric substrate and a metal layer formed in the second dielectric substrate. The metal layer is positioned between the microstrip line and the first dielectric substrate and includes a slot.