Abstract: A slot antenna in a heatable vehicle glazing established between the heating bus bar, bus bar extensions and the peripheral edge of an IR reflective coating. The antenna slot may be fed directly by a voltage source, a current source, or a coupled coplanar line at locations that excite both fundamental and higher order modes for multiband antenna applications. The slot antenna may be established between split bus bars or split bus bar extensions that limit heat loss and improve antenna efficiency. Multiple antennas can be integrated into the heatable glazing for multiband applications and/or diversity antenna systems.

Abstract: A multi-band antenna includes an S-band substrate; an S-band annular ring on the S-band substrate; an X-band substrate in the S-band substrate; and an X-band patch located in a center of the S-band annular ring and on the X-band substrate. The S-band annular ring includes a first upper surface, the X-band patch includes a second upper surface, and the first upper surface is planar with the second upper surface. The multi-band antenna includes a second pair of concentric patch antennas arranged in an annular configuration and stacked on the first pair of antennas. The second pair of antennas are placed on the same substrate and are electromagnetically coupled to the first pair of antennas to provide an extended bandwidth capability.

Abstract: A slot antenna is provided with a metal cylindrical antenna element. The antenna element is formed at a height of ?/4 or less when ? is a wavelength of an antenna frequency to be used. Further, the antenna element has a slot for vertical polarization having a length of ?/2 or more in a circumferential direction.

Abstract: Aspects of the disclosure provide an antenna system. The antenna system can include a dielectric substrate that has a top surface and a bottom surface covered by a ground plane, and four identical antenna elements symmetrically distributed on each corner of the bottom surface. Each antenna element can have a concentric-pentagonal-slot-based structure that is etched out of the ground plane, and includes an outer pentagonal slot and an inner pentagonal slot. Each side of the outer pentagonal slot can be parallel with a corresponding side of the inner pentagonal slot.

Abstract: A conformal antenna at a surface of a vehicle and a method of forming the conformal antenna involve a slot formed in a portion of the surface of the vehicle. The method includes disposing the antenna in the slot. An exposed surface of the antenna is level with the surface of the vehicle. The method also includes connecting the antenna to one or more systems of the vehicle such that the antenna transmits or receives signals processed by the one or more systems.

Abstract: A method for designing an antenna including defining an operating frequency of an antenna radiating element located within an antenna cavity structure; determining a non-loaded depth of the antenna cavity structure; determining a reduced depth of the antenna cavity structure; determining a reduction factor to reduce the non-loaded depth to the reduced depth; and selecting a dielectric material, at least partially forming a radome structure covering the antenna radiating element, to achieve the reduction factor.

Abstract: An electronically configurable antenna is disclosed. In one embodiment, the antenna comprises a circuit board having a composite dielectric that has a top surface and a bottom surface. An inner antenna element and a coupling element are disposed on the top surface, with the coupling element disposed about a periphery of and substantially coplanar with the antenna element. The coupling element is selectably electrically shorted to the inner antenna element to configure the antenna. The electronically configurable antenna further has a conductor extending through the composite dielectric between the top surface and the bottom surface and a lower electrical ground plane on the bottom surface to minimize any change in the antenna's electrical behavior due to the conductivity of the surfaces to which they are mounted.

Abstract: A vehicle may include a GPS receiver, a wireless communication apparatus, and the antenna, wherein the antenna may have a first conductive plate in which a slot is formed, a second conductive plate disposed in parallel to the first conductive plate, a dielectric member located between the first conductive plate and the second conductive plate, a plurality of via holes penetrating the first and second conductive plates and the dielectric member, a first feed member configured to transmit a first signal received through the first and the second conductive plates to the GPS receiver, and a second feed member configured to radiate a second signal supplied from the wireless communication apparatus to an inside of a resonance cavity formed by the plurality of via holes.

Abstract: A compact wideband single feed circularly polarized antenna is provided. The circularly polarized antenna may include a ground plane. The circularly polarized antenna may include a radiating patch with an embedded ring-shaped slot. The circularly polarized antenna may include a via that shorts a round section of the radiating patch surrounded by the ring-shaped slot to the ground plane. The circularly polarized antenna may include a coaxial feed. The inner conductive material of the coaxial feed may be connected to the radiating patch and the outer conductive material of the coaxial feed may touch the ground plane. The circularly polarized antenna may include a slit-slotted parasitic square patch.

Abstract: A simple and compact filtering dielectric resonator antenna comprising: a ground plane, a dielectric substrate defined on the ground plane, a dielectric resonator defined on the dielectric substrate, and a hybrid feeding line, the hybrid feeding line comprises: a microstrip line and a metallic conformal strip, and the microstrip line comprises: a microstrip main branch, a first microstrip stub and a second microstrip stub. In the present invention, a hybrid feeding line is firstly employed to a dielectric resonator antenna. It has been shown that this hybrid feeding line can not only increase the impedance bandwidth of the passband but also can introduce two radiation nulls right near the band edges. Both good filtering and radiating performances are therefore obtained without any extra filtering circuit, giving a very compact structure.

Abstract: An antenna system may include a source antenna, a frequency selective surface (FSS), and a second antenna or a fluidic channel associated with a housing. In both examples, the FSS has a first side and a second side opposite from the first side. The first side includes horizontally oriented unit cells positioned as multiple columns of unit cells. The first side of the FSS faces the source antenna and is separated from the source antenna by a defined distance. The housing is positioned on the second side of the FSS. In the latter example, the fluidic channel of the housing includes one of air or deionized water. The fluidic channel is positioned on a portion of the second side of the FSS that is opposite to a subset of the horizontally oriented unit cells on the first side of the FSS.

Abstract: The present invention discloses a narrow band slot antenna with a coupling suppression. The slot antenna includes a medium plate (1), a copper-clad layer (2), an A-capacitor (3), and a B-capacitor (4). The copper-clad layer (2) has an A-slot (21) and a B-slot (22) thereon, the A-capacitor (3) and the B-capacitor (4) are respectively mounted inside and at two ends of the B-slot (22). The present invention loads the capacitors at a specific position on a finite medium plate to increase the isolation between the antennas, which is beneficial to rectify the slot antenna.

Abstract: An antenna including a crescent-shaped antenna body having a plurality of crescent-shaped arms with crescent-shaped notched ends; and a connector positioned on a substantially non-jagged portion of the crescent-shaped antenna body to receive input energy, wherein the antenna body operates in a continuous frequency band of operation. The antenna body may transmit an omni-directional output beam. The antenna body may be structurally conformable. The antenna body may be configured to attach to flexible surfaces. The antenna body may be configured to attach to non-planar surfaces. The continuous frequency band of operation may include approximately 165 MHz to 1.35 GHz. The antenna body may be configured to have an average voltage standing wave ratio of approximately 1.72:1 across the continuous frequency band of operation.

Abstract: The application discloses an apparatus and a multi-band antenna network system. The apparatus includes at least two phase shifters. The phase shifters have different frequency bands. Each phase shifter includes a signal line layer and components that are configured to change a phase of an output port of the signal line layer. The components are slidable relative to the signal layer. A filter circuit is provided at an output port of the signal layer. Output ports of filter circuits corresponding to the at least two phase shifters are connected by a conductor, and perform output using a common output port.

Abstract: A wireless IC device includes a wireless IC chip arranged to process a radio signal, a power-supply circuit board that is connected to the wireless IC chip and that includes a power supply circuit including at least one coil pattern, and a radiation plate arranged to radiate a transmission signal supplied from the power-supply circuit board and/or receiving a reception signal to supply the reception signal to the power-supply circuit board. The radiation plate includes an opening provided in a portion thereof and a slit connected to the opening. When viewed in plan from the direction of the winding axis of the coil pattern, the opening in the radiation plate overlaps with an inner area of the coil pattern and the area of the inner area is approximately the same as that of opening.

Abstract: A device and a method for transmitting a high-frequency signal. The device is designed to include a carrier, through which a passage is formed; a transmitting element on a first surface of the carrier, to which the high-frequency signal may be applied; and a receiving element on a second surface of the carrier, which is galvanically isolated from the transmitting element, the high-frequency signal being transmittable as an electromagnetic wave through the passage to the receiving element with the aid of the transmitting element.

Abstract: A radio IC device includes an electromagnetic coupling module includes a radio IC chip arranged to process transmitted and received signals and a feed circuit board including an inductance element. The feed circuit board includes an external electrode electromagnetically coupled to the feed circuit, and the external electrode is electrically connected to a shielding case or a wiring cable. The shielding case or the wiring cable functions as a radiation plate. The radio IC chip is operated by a signal received by the shielding case or the wiring, and the answer signal from the radio IC chip is radiated from the shielding case or the wiring cable to the outside. A metal component functions as the radiation plate, and the metal component may be a ground electrode disposed on the printed wiring board.

Abstract: Techniques for multiband radio frequency (RF) signal communications using integrated multiple-input multiple-output (MIMO) multiband bandpass filter bank based on concentric dielectric ring resonators are described. The integrated MIMO multiband bandpass filter bank includes a plurality of transmission line structures for transmitting and receiving radio frequency (RF) signals, and a plurality of ring resonators with different sizes and different resonant frequencies electromagnetically coupled to the plurality of transmission line structures, wherein each ring resonator of the plurality of concentric ring resonators is configured as a single-band bandpass filter to allow a bandpass signal to pass through.

Abstract: An optical component such as a camera, an acoustic component such as a speaker, or other electrical component may be mounted on the surface of an electronic device housing. A window structure may overlap the component. The window structure may be formed form an optically transparent material to allow light to pass or may be formed from an acoustically transparent material to allow acoustic signals to pass. A conductive structure such as a metal member may surround at least part of the periphery of the window structure. The conductive structure may serve as an antenna structure for an antenna. Radio-frequency transceiver circuitry may be coupled to an antenna feed for the antenna using a radio-frequency transmission line. The conductive structure may serve as a cosmetic trim for the electrical component.

Abstract: An antenna configured to receive radiation at global navigation satellite system (GNSS) frequencies includes a dielectric substrate, a circular patch overlaying the dielectric substrate, one or more impedance transformers, and a metamaterial ground plane. The metamaterial ground plane includes a plurality of conductive patches and a cavity. The conductive patches are arranged along a first plane on a backside of the dielectric substrate and are separated from the circular patch by the dielectric substrate. The cavity includes a ground plane and a conductive fence. The ground plane is arranged along a second plane below the first plane. The ground plane is electrically coupled to at least a first portion of the plurality of conductive patches by conductive vias. The conductive fence is spaced from the backside of the dielectric substrate and from the plurality of conductive patches by a gap.

Abstract: A wearable device includes: a metal middle cover, a metal bottom cover, a printed circuit board PCB, and a gap. The metal middle cover encircles the wearable device for a whole circle and serves as an exterior of the wearable device. The metal bottom cover is located under the metal middle cover and serves as a rear cover of the wearable device. The gap with a preset width exists between the metal middle cover and the metal bottom cover, and serves as a slot antenna of the wearable device. The PCB is in an inner side of the metal middle cover, and is located above the metal bottom cover. The PCB is electrically connected to the metal middle cover by using a feed point, and feeds power to the metal middle cover.

Abstract: A surface-wave waveguide may include a base conductive ground plane including opposite side edges and a pair of conductive side walls. One conductive side wall extends from each side edge of the conductive ground plane. The surface-wave waveguide may also include a substrate including a dielectric material disposed on the base conductive ground plane and between the conductive side walls. The surface-wave waveguide may also include an impedance sheet disposed on the substrate and between the conductive side walls. The impedance sheet may include a predetermined impedance characteristic for transmitting an electromagnetic wave.

Abstract: An optical component such as a camera, an acoustic component such as a speaker, or other electrical component may be mounted on the surface of an electronic device housing. A window structure may overlap the component. The window structure may be formed form an optically transparent material to allow light to pass or may be formed from an acoustically transparent material to allow acoustic signals to pass. A conductive structure such as a metal member may surround at least part of the periphery of the window structure. The conductive structure may serve as an antenna structure for an antenna. Radio-frequency transceiver circuitry may be coupled to an antenna feed for the antenna using a radio-frequency transmission line. The conductive structure may serve as a cosmetic trim for the electrical component.

Abstract: An antenna of the present disclosure has a housing having a shallow cavity in a top of the housing and a shallow cavity in a bottom of the housing. The antenna further has a substantially circular radiating element disposed in the shallow cavity on the top of the housing, the radiating element having an are shape slot. In addition, the antenna has a substantially circular parasitic element disposed in the shallow cavity on the bottom of the housing.

Abstract: A wireless IC device includes a wireless IC chip arranged to process a radio signal, a power-supply circuit board that is connected to the wireless IC chip and that includes a power supply circuit including at least one coil pattern, and a radiation plate arranged to radiate a transmission signal supplied from the power-supply circuit board and/or receiving a reception signal to supply the reception signal to the power-supply circuit board. The radiation plate includes an opening provided in a portion thereof and a slit connected to the opening. When viewed in plan from the direction of the winding axis of the coil pattern, the opening in the radiation plate overlaps with an inner area of the coil pattern and the area of the inner area is approximately the same as that of opening.

Abstract: A connected-slot antenna includes a dielectric substrate, a circular patch overlying the dielectric substrate, and a first conductive ring surrounding the circular patch and overlying the dielectric substrate. The first conductive ring is isolated from the circular patch by a first connected slot. At least four feeds are coupled to the circular patch. Each of the at least four feeds are spaced from adjacent ones of the at least four feeds by approximately equal angular intervals. A metamaterial ground plane includes a plurality of conductive patches and a ground plane. The plurality of conductive patches are separated from the circular patch and the first conductive ring by at least the dielectric substrate. The ground plane is electrically coupled to at least a first portion of the plurality of conductive patches. One or more of the plurality of conductive patches and the ground plane are coupled to ground.

Abstract: A wireless IC device includes a wireless IC chip arranged to process a radio signal, a power-supply circuit board that is connected to the wireless IC chip and that includes a power supply circuit including at least one coil pattern, and a radiation plate arranged to radiate a transmission signal supplied from the power-supply circuit board and/or receiving a reception signal to supply the reception signal to the power-supply circuit board. The radiation plate includes an opening provided in a portion thereof and a slit connected to the opening. When viewed in plan from the direction of the winding axis of the coil pattern, the opening in the radiation plate overlaps with an inner area of the coil pattern and the area of the inner area is approximately the same as that of opening.

Abstract: A printed wide band monopole antenna module is provided. The module comprises: a substrate having a first surface, a ground terminal part formed on the first surface, and an antenna body disposed on the first surface opposite to the ground terminal part. The antenna body comprises: a first extending part having a first length, a second extending part having a second length, and a third extending part having a first width. The width of the second extending part is the first width plus a second width. The second extending part forms a connection with the first and the third extending part. The ratio of the first length to the second length is less than a first value. The ratio of the first length to the sum of the first and the second width is less than a second value.

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: A mobile device at least includes a dielectric substrate, an antenna array, and a transceiver. The antenna array at least includes a first antenna and a second antenna. The first and second antennas are both embedded in the dielectric substrate. The first and second antennas have different polarizations. The transceiver is coupled to the antenna array so as to transmit or receive a signal. The polarization of the antenna array may be dynamically adjusted by controlling a phase difference between the first antenna and the second antenna.

Abstract: A coplanar waveguide (CPW) square-ring slot antenna for use in wireless communication systems is miniaturized and reconfigurable by the integration of ferroelectric (FE) BST (barium strontium titanate) thin film varactors therein. The slot antenna device includes a sapphire substrate, top and bottom metal layers, and a thin ferroelectric BST film layer, where the FE BST varactors are integrated at the back edge of the antenna on the top metal layer.

Abstract: Embodiments of an optically transparent antenna are generally described herein. In some embodiments, the optically transparent antenna may comprise a plurality of electrically-isolated conductive patches arranged on a non-conductive surface. A combination of a size of the conductive patches and a spacing between the conductive patches is less than a human visual acuity for a predetermined viewing distance so that the patches are not be visible or perceptible to a human. In some embodiments, optically transparent antenna may serve as one or more antennas on a mobile platform.

Abstract: An antenna of the present disclosure has a housing having a shallow cavity in a top of the housing and a shallow cavity in a bottom of the housing. The antenna further has a substantially circular radiating element disposed in the shallow cavity on the top of the housing, the radiating element having an arc shape slot. In addition, the antenna has a substantially circular parasitic element disposed in the shallow cavity on the bottom of the housing.

Abstract: The present invention provides a dielectric resonator antenna comprising: a dielectric resonator; a ground plane, operatively coupled with the dielectric resonator, the ground plane having four slots; and a substrate, operatively coupled to the ground plane, having a feeding network consisting of four microstrip lines; wherein the four slots are constructed and geometrically arranged to ensure proper circular polarization and coupling to the dielectric resonator; and wherein the antenna feeding network combines the four microstrip lines with a 90 degree phase difference to generate circular polarization over a wide frequency band.

Abstract: A broadband circularly polarized annular ring slot antenna is disclosed, which includes a substrate, an annular ring slot antenna portion located on the upper surface of the substrate, and a microstrip feeding portion located on the lower surface of the substrate. The annular ring slot antenna portion includes a grounding unit, an annular ring slot unit, a central metal unit, a first perturbation metal unit and a second perturbation metal unit. The first perturbation metal unit and the second perturbation metal unit are extended from the grounding unit, towards the central metal unit, respectively. The microstrip feeding portion includes a vertical feeding unit, a bent feeding unit and a rectangular microstrip unit.

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: The Wireless Integrated Network Sensor Next Generation (WINS NG) nodes provide distributed network and Internet access to sensors, controls, and processors that are deeply embedded in equipment, facilities, and the environment. The WINS NG network is a new monitoring and control capability for applications in transportation, manufacturing, health care, environmental monitoring, and safety and security. The WINS NG nodes combine microsensor technology, low power distributed signal processing, low power computation, and low power, low cost wireless and/or wired networking capability in a compact system. The WINS NG networks provide sensing, local control, remote reconfigurability, and embedded intelligent systems in structures, materials, and environments.

Abstract: The present invention relates to a near-field antenna. In an aspect, the near-field antenna may include a dielectric layer, a ground plane formed on one side of the dielectric layer, a plurality of U-shaped slots periodically disposed in the ground plane for radiation, and a microstrip line provided on the other side of the dielectric layer for power feeding. In another aspect, the near-field antenna may include a dielectric layer, a ground plane formed on one side of the dielectric layer, a plurality of U-shaped slots periodically disposed in the ground plane for radiation, and a microstrip line configured to have a plurality of U-shaped slots diverged on the other side of the dielectric layer in parallel for power feeding, have the plurality of U-shaped slots periodically disposed in series in respective diverged lines, and have an end shorted to form standing waves.

Abstract: An electronic device such as a portable electronic device may have an antenna and associated wireless communications circuitry. The antenna may be a slot antenna having a dielectric slot opening. The slot opening may have a shape such as a U shape or an L shape in which elongated regions of the slot run parallel to the edges of the portable electronic device. The portable electronic device may have a housing with conductive sidewalls. The conductive sidewalls may help define the shape of the slot. Antenna feed arrangements may be used to feed the slot antenna in a way that excites harmonic frequencies and that supports multiband operation while being shielded from proximity effects.

Abstract: The present invention relates to printed circuit board (PCB) tracking technology, specifically to a dipole antenna structure for a radio frequency identification (RFID) tag. More specifically, the present invention relates to an edge type dipole antenna structure is implemented on an extremely small area on the edge of a ground plane provided on the PCB for various kinds of electronic products, and a PCB including the same.

Abstract: A slotted waveguide antenna element s provided, which includes at least one conductive surface provided with at least one annular slot, which defines at the central portion thereof a conductive zone and which electrically insulates the zone from the rest of the surface.

Abstract: An annular slot antenna includes an inner conductor divided by a dielectric gap into a rear section and a front section. An inner conductor of a coaxial feed line is contacted with the front section of the inner conductor and the outer conductor of the coaxial feed line is contacted with the rear section.

Abstract: An antenna of the present disclosure has a housing having a shallow cavity in a top of the housing and a shallow cavity in a bottom of the housing. The antenna further has a substantially circular radiating element disposed in the shallow cavity on the top of the housing, the radiating element having an arc shape slot. In addition, the antenna has a substantially circular parasitic element disposed in the shallow cavity on the bottom of the housing.

Abstract: A slot antenna is formed on a base. The base includes a first surface and an opposite second surface. The slot antenna includes a feeding portion formed on the first surface, a ground portion and a radiating portion formed on the second surface. The radiating portion includes a first radiating body being surrounded by a first slot, a second radiating body being surrounded by a second slot, a first switch and a second switch. The first switch is set between the first radiating body and the ground portion. The second switch is set between the second radiating body and the ground portion.

Abstract: The present invention relates to a method for integrating an identifier circuit in a data medium formed by at least one dielectric substrate covered by a conductive layer, the conductive layer comprising a part receiving data and a part without data. The method consists in etching in the part without data of the conductive layer, at least one resonating slot forming an antenna and coupling an integrated circuit to the slot.

Abstract: A reconfigurable polarization antenna includes a microwave dielectric substrate having a ground plane that has a centrally located slot with five conducting patches, four of which form an evenly spaced apart perimeter group with a gap between each and the fifth, centrally positioned conducting patch. A conducting pad is positioned in each gap and is connected via a switch to the ground plane. A microstrip feed line including a short stub is positioned on the opposite side of the substrate and electromagnetically coupled to the slot. The polarization of the antenna is reconfigured by a selection of an on or off state of each of said switches.

Abstract: The invention relates to a microstrip patch antenna for mobile satellite communications comprising a first electrically conducting ground plane having at least one opening, at least one patch radiating element, at least one first dielectric layer, disposed between the first electrically conducting ground plane and the patch radiating element and more particularly between the at least one opening and the patch radiating element, at least one feed line for providing signal energy in a contactless manner to or from the patch radiating element through the opening and a second dielectric layer disposed between the feed line and the first electrically conducting ground plane wherein the antenna further comprises a second ground plane and a third dielectric layer disposed between the second ground plane and the feed line.

Abstract: A dual-band, dual-orthogonally-polarized antenna element includes a dielectric substrate having a conductor layer that includes a square ring slot and a shorted square ring, with each having a pair of orthogonal feed points. The shorted square ring is fed with coaxial probe feeds, while the square ring slot feeds striplines terminated in open-circuited stubs for coupling energy to each pair of orthogonal feed points. The first and second stripline feeds are not coplanar in order that each stub terminates past a center point of the element. The square ring slot operates as a high frequency band radiator and the shorted square ring operates as a low frequency band radiator, and both bands radiate substantially simultaneous dual-orthogonally-polarized modes. The modes can be any combination of dual-Circular Polarization (CP) and dual-Linear Polarization (LP), depending on the geometry of the radiators.

Abstract: Provided is a microstrip patch antenna in which a unit cell of a planar metamaterial may be inserted to have a miniaturized size, a wide bandwidth, or multi-resonance.

Abstract: A compact disc coupled to a wireless communication device comprises the disc with a metalized outer portion, a wireless communication chip and a pair of tabs. The first tab may capacitively couple the wireless communication chip to the metalized portion of the disc. The second tab may be positioned in an inner portion of the disc with a gap delimited by the metalized portion and the second tab. A slot antenna is thus formed through which the wireless communication device may communicate. Wireless communication chip allows disc to be interrogated and identified for a variety of purposes, including, but not limited to security, advertising and promotion, and issuing of related coupons to customers for subsequent purchases.