Abstract: An antenna apparatus utilizing bulk acoustic wave (BAW) resonances to transfer dynamic strain across multiple layers, which include piezoelectric layers coupled to magnetostrictive material layers. In at least one embodiment, a piezoelectric layer is coupled to a magnetostrictive layer to which another layer having similar acoustic properties as the piezoelectric layer is coupled as an inertial buffer. These multiple layers comprise a strain media to provide a vertical multiferroic coupling which couples electric field, magnetic field, and mechanical fields. Electrodes are coupled to excite one of the piezoelectric layers for injecting acoustic waves into the structure from which electromagnetic radiation is generated out of the plane.

Abstract: To provide an information communication device including an antenna that can singly transmit and receive both of vertically polarized waves and horizontally polarized waves with a sufficient strength. The information communication device includes a casing and the antenna disposed within the casing. The antenna includes a plate-shaped planar portion having a feeding point. The planar portion includes a conductive portion extending in a direction of obliquely intersecting a bottom surface of the casing, and a ground portion connected to one end of the conductive portion.

Abstract: The present disclosure relates to an antenna system for wireless communication of data. In one implementation, the system includes at least four horn antennas. Each horn antenna may have a three-layered cavity, and each layer may be filled with dielectric. The system may further include two microstrip line networks. The microstrip networks may be between two adjacent layered portions and configured to communicate with the horn antennas.

Abstract: An antenna system is integrated into a cover or accessory and adapted to couple to an antenna in a host device to improve transmission and reception of signals. The antenna system can be passive or active, with the active antenna system designed to amplify coupled signals on the integrated antenna elements in the cover or accessory. Single or multiple frequency bands can be improved with the integrated antenna system, and multiple antennas in the host device can be coupled to and improved. The antenna system can couple to the existing antennas in the host device by capacitive coupling, i.e. no physical contact required, or a connector can be designed into the cover or accessory containing the integrated antenna system that makes contact to electrical ground of the host device or power supply signals or other control signals.

Abstract: An antenna array configuration is provided with h-plane splitters between ends of a feeding network and radiating elements e.g. horns, thereby to reduce the distance between the centers of the horns to less than one wavelength which results in a better side lobe level. A method of manufacturing upper and lower plates together constituting an antenna is also provided, typically making each plate in a single operation, by dividing the feeding network's waveguides at the center where there are no cross currents so as not to disturb propagation in the feeding network. The radiating elements, h-plane splitters and upper half of the feeding network may be fabricated in one plate without undercuts hence simplifying manufacture of the plate which may for example be formed using a simple molding machine or a 3 axis-CNC machine.

Abstract: A multi-antenna includes a ground plane; a first feeding point; a second feeding point that is different from the first feeding point; a first feed element that is connected to the first feeding point; a second feed element that is connected to the second feeding point, a cancellation electric current being generated in the second feed element; and a radiating element that functions as a radiation conductor when power is supplied by establishing electromagnetic field coupling with the first feed element and the second feed element.

Abstract: An electronic device is described that is configurable to be transitioned from a first operating mode having a first form factor to a second operating mode having a second form factor. The electronic device includes a first device portion and a second device portion that is connected to the first device portion. The first device portion includes an RF antenna. The second device portion includes an antenna adaptation element. The antenna adaptation element is positioned more closely to the RF antenna in the second operating mode than in the first operating mode. The antenna adaptation element is configured to, in the second operating mode, passively counteract or mitigate a shifting of a resonant frequency of the RF antenna that would otherwise occur as a result of the electronic device being transitioned from the first operating mode to the second operating mode.

Abstract: One embodiment provides a device, including: an antenna; a main memory storing code; a processor operatively coupled to the antenna and which executes the code stored in the main memory, wherein the code stored in the main memory includes code which is executed to communicate via the antenna; and a device cover that includes a material having a pattern of conductive fibers and non-conductive fibers; the material including an antenna area; wherein the pattern in the antenna area includes more non-conductive fibers than conductive fibers. Other aspects are described and claimed.

Abstract: An antenna (e.g., circularly polarized (CP) planar aperture antenna) is presented herein. An antenna can include an opening cavity and a patch section within a perimeter of the opening cavity. The patch section can have crossed patch in a windmill shape. The opening cavity can have a windmill shape. The patch section can be fed differentially via grounded co-planar waveguide (GCPW). The antenna can be formed in a single layer substrate and can be 180° rotationally symmetric about its center. A height of the opening cavity can be quarter-wavelength at operating frequency and a diameter of the opening cavity can be larger than one wavelength at operating frequency.

Abstract: A device includes a first antenna and a second antenna. The first antenna may be configured to transmit or receive through an aperture provided by the device. The second antenna may include an array of a plurality of antenna elements configured to transmit or receive through the aperture. The plurality of antenna elements may overlap at least a portion of the first antenna.

Abstract: An antenna array, especially for use with a radio frequency identification reader, includes a ground plane and a pair of concentric, first and second, circular elements mounted at an elevation relative to the ground plane. First ports are arranged along the perimeter of the first element, and second ports are arranged along the perimeter of the second element. Each port conveys radio frequency signals in an operating band of frequencies. Each perimeter is substantially equal to an odd multiple of one-half of a guided wavelength at a center frequency of the respective operating band. Each adjacent pair of first ports, or adjacent pair of second ports, is successively spaced apart by a spacing constituting a whole multiple of one-half of the guided wavelength at the center frequency of the respective operating band. A polarized patch antenna may be positioned within the circular elements.

Abstract: A mobile terminal including a display unit including a window glass and a display module; a front case and a rear case configured to support the display unit; an antenna including a first coil formed on an edge region of a rear surface of the window glass or formed on an edge region of a front surface of the front case, a second coil formed at a height different from that of the first coil in a thickness direction of the mobile terminal, and a conductive hole configured to electrically connect the first coil and the second coil; a battery configured to supply power to the mobile terminal; and a battery cover positioned on a back side of the display unit and including a metal.

Abstract: A pattern antenna, with excellent broadband antenna characteristics, that is formed in a small area is provided. The pattern antenna includes a substrate, a first ground portion formed on a first surface of the substrate, an antenna element portion, a protruding and short-circuiting portion, and a second ground portion. The antenna element portion includes a conductor pattern in which a plurality of bent portions are formed. The conductor pattern is formed on the first surface of the substrate and is electrically connected to the first ground portion. The protruding and short-circuiting portion includes a taper portion with a tapered shape, a protruding portion, and an extended portion extended toward a side opposite to a feed point as viewed in planar view. The second ground portion, with no contact with the taper portion, with such a shape that sandwiches at least a part of a tapered section of the taper portion as viewed in planar view.

Abstract: An antenna device including: a core formed by magnetic material; a terminal attachment unit arranged on one end side of the core; a coil which is arranged on the outer circumferential side of the core and concurrently, which is formed by winding a conductive wire; a plurality of terminal members which are mounted on the terminal attachment unit and concurrently, each of which is electrically connected with a terminal of the conductive wire or an electronic component at any position thereof; a connector connecting unit provided with a connector hole into which an external connector is inserted; and a partition unit partitioning the terminal attachment unit and the connector connecting unit, wherein a terminal hole is provided at the partition unit, and at least two or more of the terminal members are plugged-in into the terminal hole and concurrently, are mounted in a state of protruding toward the connector hole.

Abstract: An antenna assembly includes: a base; a first rod coupled to the base; an outer frame coupled to the first rod, the outer frame being rotatable around the first rod; a first antenna having a first end coupled to a first position of an inner surface of the curvy frame, and a second end coupled to a second position of the inner surface of the outer frame, the first antenna being rotatable around a pivot extending from the first position to the second position; and a second antenna having a first end coupled to a third position of the inner surface of the outer frame, and a second end exposed to an inner space surrounded by the outer frame.

Abstract: A handheld electronic device is provided. The handheld electronic device includes a front cover forming the front of the handheld electronic device, a back cover forming the back of the handheld electronic device, a side member at least partially surrounding a space between the front cover and the back cover, a display module, housed in the space, with a screen area exposed through the front cover, and a ground plate housed in the space. At least part of the side member and/or the back cover includes a conductive material. The handheld electronic device includes first and second connection terminals electrically connected to the at least part. The at least part forms at least part of an antenna of the handheld electronic device, and comprises first and second areas which are spaced apart from each other. The first area is electrically connected to the second area and the first connection terminal.

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: A method and system for detecting whether the position of a user's hand gripping a mobile communication device chassis affects an external antenna is provided. A sectioned metal band about a periphery of a mobile communication device has a radiating antenna in at least one metal section. The radiating antenna section is bounded on both sides by electrically floating metal sections. Each of the electrically floating metal sections is bounded on the side distal from the antenna section by a ground metal section. Each metal section separated from an adjacent metal section by an insulating gap. Embodiments measure a differential capacitance between the antenna section and the floating metal section and measure a single and capacitance between the floating metal section and the grounded section to determine whether a user's hand is bridging one or more of the insulating gaps.

Abstract: The present invention discloses a Z-shaped dual ring winding type NFC antenna, comprising a ferrite core which is formed by superposing a plurality of plate-like ferrite units, a first coil and a second coil. The first coil is wounded on the outer surface of the ferrite core in a Z shape, and the second coil is spirally wound along the vertical Z axis direction. The lower end of the ferrite core is connected with an antenna insulating layer. The lower end face of the antenna insulating layer is connected with external electrodes that include a first external electrode and a second external electrode. The head end of the first coil is connected with the first external electrode, and the tail end is connected with the head end of the first coil through a connecting conductor. The tail end of the second coil is connected with the second external electrode.

Abstract: An electronic device is provided that includes a circuit board and an antenna fed from the circuit board. The antenna includes a plurality of conductive components. Each of the plurality of conductive components is disposed on a portion of a respective one of a plurality of electronic components of the electronic device. The plurality of conductive components are connected by at least one connection component.