Abstract: An electronic device may have peripheral conductive structures and a conductive layer that define edges of a slot element for a slot antenna. The slot element may be configured to cover wireless communications in a 1575 MHz satellite navigation band and 2.4 GHz and 5 GHz wireless local area network bands. A tuning circuit may be coupled across the slot approximately half way across the length of the slot. The antenna tuning circuit may include an inductor coupled in series with a notch filter (in scenarios where the slot is long enough to cover the 1575 MHz satellite navigation band in its fundamental mode) or may include a capacitor coupled in series with a notch or low pass filter. The fundamental mode and one or more harmonic modes of the slot element may cover the satellite navigation and wireless local area network bands.

Abstract: In order to implement an external antenna of a radio device with a simple configuration, an antenna according to the present invention includes: a conductor plate; a first linear conductor including a portion disposed substantially in parallel to an edge of the conductor plate, and being curved halfway and connected to the conductor plate with a gap being interposed; a second linear conductor intersecting with a line extending from an end of the first linear conductor opposite to a connection end thereof connected to the conductor plate, and being connected to the conductor plate; a third linear conductor being connected to an end of the second linear conductor opposite to an end thereof connected to the conductor plate, and being disposed substantially in parallel to the first linear conductor; and a fourth linear conductor being disposed in a direction apart from the conductor plate at an end of the third linear conductor opposite to an end thereof connected to the second linear conductor.

Abstract: An antenna device includes a substrate having a first main side and a second main side located opposite the first main side, wherein a metallization is arranged, at least in portions, on the second main side of the substrate, wherein at least one flat antenna and at least one three-dimensional antenna are arranged on the first main side of the substrate, wherein the flat antenna extends, within a plane, in parallel with one of the two main sides of the substrate, and wherein the three-dimensional antenna is spaced apart, at least in portions, from the first main side of the substrate, and wherein the three-dimensional antenna and the flat antenna are galvanically connected to each other and a) include a shared signal feeding portion or b) the three-dimensional antenna and the flat antenna are serially coupled.

Abstract: An electronic device may have an upper housing with a display and a lower housing with a keyboard. The upper housing may rotate between open and closed positions. The lower housing may include a first conductive wall separated from the upper housing by an upper slot and a second conductive wall separated from the upper housing by a lower slot. An antenna resonating element may be mounted within the lower housing and may convey signals in low and high frequency bands through the lower slot when the upper housing closed. The resonating element may be grounded to the second conductive wall and may be separated from a conductive cavity wall by at least one-sixteenth of a wavelength in the low frequency band. A parasitic element may be used to redirect signals in the low frequency band towards and through the upper slot when the upper housing open.

Abstract: Surface scattering antennas with lumped elements provide adjustable radiation fields by adjustably coupling scattering elements along a wave-propagating structure. In some approaches, the surface scattering antenna is a multi-layer printed circuit board assembly, and the lumped elements are surface-mount components placed on an upper surface of the printed circuit board assembly. In some approaches, the scattering elements are adjusted by adjusting bias voltages for the lumped elements. In some approaches, the lumped elements include diodes or transistors.

Abstract: In accordance with one or more embodiments, a method includes receiving a first wireless signal via a feed point on an antenna body, wherein the antenna body includes a dielectric core having a reflective surface configured as a dish reflector; reflecting the first wireless signal via the reflective surface to an aperture of the antenna body; and radiating the first wireless signal from the aperture.

Abstract: The present disclosure relates to a reconfigurable patch antenna, which includes a substrate, a ground plane formed on a bottom surface of the substrate or within the substrate, a primary patch, an extension patch, and switching components. The primary patch and the extension patch are formed on a top surface of the substrate and are placed parallel to each other. Herein, a gap is formed between the primary patch and the first extension patch. The switching components are formed across the gap, electrically coupled to both the primary patch and the extension patch, and configured to connect the primary patch to the extension patch or disconnect the primary patch from the extension patch.

Abstract: An antenna array includes: an electrically conductive member having an electrically conductive surface in which a plurality of slots are open; a plurality of electrically-conductive ridge pairs on the electrically conductive surface, each pair protruding from edges of the central portion of a corresponding one of the plurality of slots. As viewed along a direction that the central portion of each slot extends, at least a portion of the first gap between the first ridge pair and at least a portion of the second gap between the second ridge pair overlap each other, with no other intervening electrically-conductive member therebetween; or at least a portion of the first ridge pair and at least a portion of the second ridge pair overlap each other, with no other intervening electrically-conductive member therebetween.

Abstract: Methods and apparatuses are disclosed for a free space segment tester (FSST). In one example, an apparatus includes a frame, a first horn antenna, a second horn antenna, a controller, and an analyzer. The frame has a platform to support a thin film transistor (TFT) segment of a flat panel antenna. The first horn antenna transmits microwave energy to the TFT segment and receives reflected energy from the TFT segment. The second horn antenna receives microwave energy transmitted through the TFT segment. The controller is coupled to the TFT segment and provides at least one stimulus or condition to the TFT segment. The analyzer measures a characteristic of the TFT segment using the first horn antenna and the second horn antenna. Examples of a measured characteristic includes a measured microwave frequency response, transmission response, or reflection response for the TFT segment.

Abstract: A foldable and expandable antenna reflector, and method of making and using the same are disclosed. The antenna reflector includes a reflector and a support structure where the support structure includes a hub assembly; a hub tower extending from the hub assembly; a plurality of drive strut assemblies that are connected to the hub assembly; and a plurality of rib assemblies connected to the hub tower and to the plurality of drive strut assemblies. Each rib assembly has a multi-piece rib hinge assembly so that each drive strut assembly is pivotably connected to one of the rib hinge assemblies and applies a force to expand the rib assembly in response to the hub assembly applying a force to at least one of the drive strut assemblies to thereby fold or expand the antenna reflector from a first folded configuration to a second expanded configuration.

Abstract: A wireless communication device is provided that includes a flat plate-shaped conductor, an RFIC element including first and second input/output terminals, a loop antenna, and a connection conductor that connects the loop antenna to the flat plate-shaped conductor. The loop antenna includes a first conductor portion disposed along the flat plate-shaped conductor and connected to the first input/output terminal, a second conductor portion disposed along the flat plate-shaped conductor and connected to the second input/output terminal, a third conductor portion extending from the first conductor portion away from the flat plate-shaped conductor, a fourth conductor portion extending from the second conductor portion away from the flat plate-shaped conductor, and a fifth conductor portion connecting the third conductor portion and the fourth conductor portion. Moreover, the connection conductor connects the second conductor portion and the flat plate-shaped conductor.

Abstract: Exemplary embodiments are disclosed of HDTV antenna assemblies. In an exemplary embodiment, a high definition television antenna assembly generally includes a first antenna element and a second antenna element. The first antenna element has a generally annular shape with an opening. The second antenna element includes first and second arms spaced apart from the first antenna element. The first and second arms extend at least partially along portions of the first antenna element. The first and second antenna elements may be electromagnetically coupled without a direct ohmic connection between the first and second antenna elements.

Abstract: An antenna and a communications device are disclosed. The antenna includes: multiple feeders, a microstrip antenna array, and at least one energy attenuation circuit; the microstrip antenna array includes multiple array elements, where each of the multiple array elements is connected to a cable feeding port by using one of the multiple feeders; each of the at least one energy attenuation circuit is located at a feeder, where the feeder is one of the multiple feeders and is connected to an array element, and the array element is located at a periphery of the multiple array elements; and the energy attenuation circuit includes a resistor, where the resistor is grounded, and the resistor consumes a part of energy in the feeder when the resistor is grounded.

Abstract: Disclosed is a display module that includes at least one antenna, for use in an electronic device. The display module includes a display panel, and a magnetic sheet disposed under the display panel. The at least one antenna is disposed above the magnetic sheet. The magnetic sheet may serve to prevent degradation of electronic device performance by preventing the generation of eddy currents on a nearby metal part of the device.

Abstract: Disclosed systems and methods include a multiple-in-multiple-out (“MIMO”) antenna array, wherein the arrangement of antenna elements provide relatively good angular resolution for RADAR while reducing the presence of grating lobes. Transmitter and receiver antenna elements can be spaced such as to improve performance with reduced cost. In some embodiments, the transmitter and/or receiver antenna elements can be spaced at unit distances of a half-wavelength +/?10% or +/?25%. In some embodiments, the first receiver antenna element is at a four-unit distance from a second receiver antenna element, a third receiver antenna element at a one-unit distance from the second receiver antenna element, and a fourth receiver antenna element at a two-unit distance from the third receiver antenna element.

Abstract: An electronically steerable antenna with dual polarization is provided, as well as a method for steering such an antenna. An example antenna may include a driven patch element having dual polarity for radiating or receiving a first beam with a first polarization and radiating or receiving a second beam with a second polarization. The antenna includes a parasitic patch element separated from the driven patch element and in a parasitic coupling arrangement to the driven patch element, as well as first and second tuning elements linked to the parasitic patch element to control first and second terminating impedances of the parasitic patch element, respectively. The first terminating impedance at least partly determines a direction of the first beam, and the second terminating impedance at least partly determines a direction of the second beam.

Abstract: An antenna pane is presented. The antenna pane has features that include an inner pane having an internal surface, an antenna structure made of an electrically conductive paste that is printed and fired into the internal surface of the inner pane, and a dielectric carrier element that is connected to the internal surface of the inner pane via an external surface of the dielectric carrier element. In one aspect, an internal surface of the dielectric carrier element has an electrically conductive base plate that is arranged in a region of an orthogonal projection of the antenna structure relative to the inner panel.

Abstract: An antenna array includes multiple array modules. Each array module includes at least on antenna element including a horn antenna coupled to a polarizer, and a two-piece waveguide filter. The two-piece waveguide filter includes a folded-back waveguide coupled to the horn antenna at one end and to a circuit layer at the other end. The horn antenna includes a multi-mode horn antenna. The two-piece waveguide filter includes a first piece and a second piece that are separately molded. A footprint of the two-piece waveguide filter is within a footprint of an aperture of the horn antenna.

Abstract: An antenna includes a feeding element and at least one non-feeding element. A vertical distance between each non-feeding element and the feeding element falls within a specified threshold, each non-feeding element includes a first conductor that is grounded, a regulator circuit, and a control switch disposed on the first conductor and configured to control the regulator circuit, where the regulator circuit is configured to regulate a current path length of the non-feeding element. The non-feeding element forms a reflector when the regulator circuit is enabled, or the non-feeding element forms a director when the regulator circuit is disabled. A design in which the reflector and the director are compatible is used such that a combination of one feeding element, M directors and N reflectors is implemented for the antenna to achieve a high directive gain and interference suppression capability.

Abstract: An electronic device may be provided with wireless circuitry that includes a phased antenna array. The array may include first, second, and third rings of antennas on a dielectric substrate that cover respective first, second, and third communications bands greater than 10 GHz. The second ring of antennas may surround the first ring of antennas. The third ring of antennas may be formed over the second ring of antennas. Parasitic elements may be formed over the first ring of antennas to broaden the bandwidth of the first ring of antennas. Beam steering circuitry may be coupled to the rings of antennas. Control circuitry may control the beam steering circuitry to steer a beam of wireless signals in one or more of the first, second, and third communications bands. The array may exhibit relatively uniform antenna gain regardless of the direction in which the beam is steered.