Abstract: An antenna structure includes a first antenna, a second antenna, a radio frequency (“RF”) circuit, and a controller. The first antenna includes a first radiating portion and a first feeding portion. The second antenna includes a second radiating portion and a second feeding portion. The second radiating portion is positioned in a first plane that is substantially parallel to a second plane in which the first radiating portion is positioned. The RF circuit is configured to output a first current signal to the first feeding portion and a second current signal to the second feeding portion. The controller is configured to control the RF circuit to adjust phases of the first current signal and the second current signal.

Abstract: An antenna including a conductive loop having a first top surface portion, the conductive loop having a first edge portion interrupted by a gap defining a feed point, a conductive strip having a second top surface, the conductive loop lying in a plane defined by the second top surface, the conductive strip having a second edge portion extending between first and second opposing distal ends, the second edge portion being spaced from the first edge portion, and the second edge portion extending along the first edge portion at a substantially constant distance from the first edge portion, and wherein the conductive strip is electrically isolated from the conductive loop and is structurally configured and positioned relative to the conductive loop to adjust an input impedance of the conductive loop.

Abstract: A dual-mode feed network for an antenna array or combination antenna is provided. Two transmission line structures propagate signals according to two different electromagnetic propagation modes, such as TE, TM, TEM and quasi TEM modes. The two transmission line structures are operatively coupled to different components of the antenna array. One transmission line structure may be a stripline or microstrip, and the other transmission line structure may be a waveguide such as a Substrate Integrated Waveguide. Both transmission line structures may branch to reach multiple elements of the antenna array. The transmission lines may share common features, for example by embedding the stripline within the waveguide.

Abstract: The present invention relates to a folded dipole antenna comprising a magnetic material comprising a hexagonal Z-type ferrite and/or a hexagonal Y-type ferrite as a main component in which a radiation element and a reflection element each having a folded dipole structure are disposed, and an RF tag comprising the folded dipole antenna and an IC chip connected to the folded dipole antenna. The RF tag according to the present invention has a smaller size than that of the conventional RF tags and is not susceptible to adverse influence from ambient environments, and can be operated at an UHF band or surrounding frequency bands thereof.

Abstract: The invention relates to an antenna assembly having a microchip, a first antenna portion of a conducting material supported by a substrate and a second portion of the conducting material wrapped around the substrate, first antenna portion and microchip. Both antenna portions are connected to the microchip and said antenna portions overlap in order to form a capacitance. The antenna assembly may be employed in a construction for an RFID chip for long ranges.

Abstract: A multiband switchable antenna structure includes a feeding element, a first radiation element, a second radiation element, circuit branches, and a switch circuit. A first end of the feeding element is a feeding point. A first end of the first radiation element is coupled to a second end of the feeding element. A second end of the first radiation element is open. A first end of the second radiation element is coupled to the second end of the feeding element. The circuit branches have different impedance values. The switch circuit selects one of the circuit branches as a matching branch according to a control signal. A second end of the second radiation element is coupled through the matching branch to a ground voltage.

Abstract: The antenna board of the present invention includes: a dielectric board where a plurality of dielectric layers are laminated, a ground conductor layer, a strip conductor, a first patch conductor, a second patch conductor, a third patch conductor, and a penetration conductor. The first patch conductor, the second patch conductor, and the third patch conductor are electrically independent of each other. The penetration conductor includes at least two penetration conductors aligned adjacent to each other in the extending direction of the strip conductor.

Abstract: Metal housing walls may form an antenna cavity. Antenna structures may be formed from metal traces mounted on a carrier in the antenna cavity. The antenna structures may form an array of antennas such as an array of planar inverted-F antennas. The housing may have an inner cavity wall such as a circular inner cavity wall. The planar inverted-F antennas may lie between the inner cavity wall and the metal walls of the housing. Each planar inverted-F antenna may have an associated parasitic antenna resonating element. The planar inverted-F antennas may be configured to resonate in upper and lower frequency bands. The parasitic elements may each extend inwardly from the metal walls and may broaden the frequency response of the planar inverted-F antennas in the lower frequency band. Parasitic elements may be used to isolate antennas from each other.

Abstract: An antenna, a portable electronic device incorporating an antenna and a method of operation are provided to enable both wide and multiple frequency band response. The antenna may include a feeding arm and a parasitic element. The feeding arm may include a conductive loop antenna and a conductive excitation arm portion. The loop antenna portion may extend from a first end that is configured to be grounded to a second end that is configured to be driven by radio frequency circuitry. The excitation arm may be coupled at a first end to the loop antenna portion and extend outwardly therefrom to an open end. The parasitic element may extend from a first end is configured to be grounded to a second end that is open. The parasitic element may extend along opposite sides of the excitation arm portion so as to be coupled thereto.

Abstract: An antenna system for a wearable electronic device includes a first conductive surface constructed from a segment of outer housing of the wearable electronic device. The first conductive surface spans a first axis through the wearable electronic device. The antenna system also includes a second conductive surface that spans the first axis. The second conductive surface is constructed from a set of contacting metal components that are internal to the wearable electronic device. The first and second conductive surfaces are separated by a space. The antenna system also has a contact element having a feeding element that connects the first conductive surface to the second conductive surface along a plane that is normal to the first conductive surface.

Abstract: An apparatus for providing data communication and power to a device located in a room having a power outlet is disclosed. The power outlet may be a standard AC outlet, for example. The apparatus includes a cable extending from the device and having a plug comprising a plug body. Prongs extend from the plug body and couple to the power outlet to receive power. A first near field communication antenna is carried by the plug body. A communication module has a second near field communication antenna and is located in the room in proximity to the plug. At least one of the first near field communication antenna and the second near field communication antenna communicates data wirelessly to the other of the first near field communication antenna and the second near field communication antenna.

Abstract: A Global Navigation Satellite System (GNSS) electronic circuit is described that uses an antenna and a fractal ground plane conductor or a fractal counterpoise. Some embodiments of the electronic circuit include a first ground plane conductor portion on a first electronic substrate, and a second ground plane conductor portion on a second electronic substrate. The second ground plane conductor portion is shaped to include at least one fractal pattern. The fractal pattern of the second ground plane conductor portion makes the ground plane seem electrically larger than it is. The fractal ground plane conductor portion minimizes the reception of GNSS satellite signals below the antenna, and improves the reception of signals from low elevation GNSS satellites above the horizon.

Abstract: A dual-polarized antenna array includes at least one Balanced Antipodal Vivaldi Antenna (BAVA) element pair. A particular pair of the at least one BAVA element pair includes a first BAVA and a second BAVA. A substrate of the first BAVA forms a notched portion along a center axis of the first BAVA. A substrate of the second BAVA forms a notched portion along a center axis of the second BAVA. Each BAVA of the particular BAVA element pair includes a plurality of conductors. The notched portion of the substrate of the first BAVA is received by the notched portion of the substrate of the second BAVA, and the notched portion of the substrate of the second BAVA is received by the notched portion of the substrate of the first BAVA. The substrate of the first BAVA is in an orthogonal orientation relative to the substrate of the second BAVA.

Abstract: A portable terminal is provided. The portable terminal includes a main housing, a sub housing, a mainboard, and an electric connector. The main housing has a first antenna radiator. The sub housing is separable from the main housing and has a second antenna radiator. The mainboard is disposed in the main housing and processes a radio signal. The electric connector is disposed in the main housing. When the sub housing and the main housing are separated from each other, the electric connector electrically connects the mainboard with the first antenna radiator of the main housing. When the sub housing and the main housing are coupled, the electric connector electrically connects the mainboard with the second antenna radiator of the sub housing.

Abstract: The present invention refers to a triple-band antenna array for cellular base stations operating at a first frequency band and at a second frequency band within a first frequency range, and also at a third frequency band within a second frequency range. Said triple-band antenna array comprises a first set of radiating elements operating at the first frequency band, a second set of radiating elements operating at the second frequency band, a third set of radiating elements operating at both the third and the first frequency bands, and a fourth set of radiating elements operating at both the third and the second frequency bands. The radiating elements are arranged in such a way that at least some of the radiating elements of the first set are interlaced with at least some of the radiating elements of the third set, and at least some of the radiating elements of the second set are interlaced with at least some of the radiating elements of said fourth set.

Abstract: An antenna module includes a grounding element, first and second radiating conductors, and a decoupling unit. The grounding element has first and second grounding ends. The first radiating conductor includes a first feed-in end that is adjacent spacedly to the first grounding end and that is configured to be fed with a first RF signal. The second radiating conductor includes a second feed-in end that is adjacent spacedly to the second grounding end and that is configured to be fed with a second RF signal. The decoupling unit is connected electrically between a portion of the first radiating conductor and a portion of the second radiating conductor that are proximate to each other, and is one of a decoupling capacitor and a decoupling inductor.

Abstract: A handheld device including a ground plane, a first antenna element and a second antenna element is provided. The ground plane includes a short edge and a first long edge adjacent to each other to form a first corner. The first antenna element is opposite to the short edge of the ground plane. The second antenna element is opposite to the first long edge of the ground plane and includes a first radiation portion. An end of the first radiation portion is electrically connected to the first long edge and adjacent to the first corner. The handheld device uses the second antenna element to adjust an equivalent ground plane length of the first antenna element.

Abstract: An antenna for receiving a transmitted signal with signal receiving components including a housing disposed about signal-receiving components. The housing includes a first housing portion forming a first side of the housing, the first housing portion including first and second opposing edge portions, third edge portion extending between the first and second opposing edge portions, and a second housing portion forming a second side of the housing, the second housing portion including fourth and fifth opposing edge portions, and a sixth edge portion extending between the fourth and fifth opposing edge portions, wherein the first housing portion is configured to be coupled to the second housing portion in such a manner that the first and fourth edge portions engage, the second and fifth edge portions engage, and the third and sixth edge portions cooperatively form an elongated groove configured to receive a signal line.

Abstract: A method and portable device provide multi-band, multi-antenna signal communication in a portable device having wireless communication capability. A portable device comprises a single loop multi-feed (SLM) antenna system which includes a continuous conductive ring located along and adjacent to a first device periphery area. The SLM antenna system also comprises multiple communication feeds each respectively coupled to one of multiple transceivers and to the conductive ring. The SLM antenna system includes multiple ground connection points each of which is coupled to a ground plane. Each ground connection point is selectively positioned at a corresponding location on the continuous conductive ring in order to configure, within the SLM antenna system, multiple corresponding antenna elements.

Abstract: A bar antenna comprises: a bar core configured to connect at least two of core pieces in series, a bobbin covering at least a portion of the bar core, a winding wound in a predetermined range of the bobbin, and a case having the bar core and the bobbin disposed therein, wherein the bar core and the bobbin are sealed by filling in the case with a potting material, and the bar core is configured to be bendable with respect to a predetermined external force at a connection portion of the at least two of core pieces.