Abstract: Antenna structures and methods of operating the same of an electronic device are described. One apparatus includes a circuit board and an antenna having a ground element disposed on the circuit board. A ground-extension bracket is coupled to the ground element and oriented orthogonally to the circuit board. The antenna further includes a radiating element disposed on the circuit board and oriented linearly with respect to the ground-extension bracket. The antenna, in response to a radio frequency (RF) signal, is configured to radiate electromagnetic energy in a radiation pattern at an angle of polarization with respect to a plane of the circuit board, where the angle of polarization is acute and angled towards the ground-extension bracket.

Abstract: A method for resonating a conductive structure as an antenna comprising: connecting a radio frequency (RF) resonator to a transceiver, wherein the RF resonator has a conductive layer; attaching the conductive layer of the resonator to the conductive structure at a given location; balancing the impedance of the transceiver with the impedance of the conductive structure at the given location; and receiving and radiating electromagnetic waves through the conductive structure at an operating frequency of the transceiver, wherein the conductive structure has a dimension of at least one-half wavelength of the operating frequency of the transceiver.

Abstract: Provided are an NFC antenna module and a portable terminal having the same, the NFC antenna module having a printed circuit board inserted in a radiation sheet thereof or a radiation field formed on the lower surface and at a side part of the portable terminal, thereby improving the antenna characteristics while solving the problem of mounting space shortage in a small-sized portable terminal. The provided NFC antenna module includes: a printed circuit board; a first radiation sheet, which has a first radiation pattern formed along the outer periphery of a central part and is connected to the printed circuit board; and an electromagnetic wave shielding sheet stacked on the printed circuit board and the first radiation sheet.

Abstract: Disclosed is a system and method of a switchable, oscillating near-field and far-field antenna that may be used in access control systems. A controller is coupled to a transceiver, wherein the transceiver comprises an antenna module that includes both a near-field antenna and a far-field antenna. The near-field antenna is a subset of the far-field antenna, and the controller is adapted to cause the antenna module to oscillate between a near-field configuration and a far-field configuration while, for example, scanning an RFID tag of a wireless asset and receiving one or more return signals from the RFID tag, in order to determine a location of the wireless asset based on the one or more return signals.

Abstract: A high directivity slot antenna is presented herein. A method can include receiving, through an aperture of an antenna, a first electromagnetic signal away from a direct path from a source of the first electromagnetic signal to an electrical element of the antenna—the aperture corresponding to a first opening of a central chamber included between portions of radio frequency absorbent material, and the electrical element corresponding to a second opening of the central chamber. Further, the method can include absorbing the first electromagnetic signal into a first portion of the portions of radio frequency absorbent material—the first portion comprising a baffle that is adjacent to a first segment of the radio frequency absorbent material, and the baffle comprising a metallic element that alters a radio frequency propagation of the first electromagnetic signal from the central chamber into the radio frequency absorbent material.

Abstract: The present invention relates to an integrated circuit package comprising at least one substrate, each substrate including at least one layer, at least one semiconductor die, at least one terminal, and an antenna located in the integrated circuit package, but not on said at least one semiconductor die. The conducting pattern comprises a curve having at least five sections or segments, at least three of the sections or segments being shorter than one-tenth of the longest free-space operating wavelength of the antenna, each of the five sections or segments forming a pair of angles with each adjacent segment or section, wherein the smaller angle of each of the four pairs of angles between sections or segments is less than 180° (i.e.

Abstract: A long-distance radio frequency anti-metal identification tag is provided. When a bottom surface of an insulating spacer plate is attached to the surface of a metal object and an electronic tag reading device is used to read a radio frequency identification chip on a second antenna. A resonant cavity is formed between a slot of a first antenna and the surface of the metal object through the isolation of the insulating spacer plate, such that the second antenna located at the position of the resonant cavity resonates with an electromagnetic wave signal reflected on the surface of the metal object by the first antenna. The electromagnetic wave signal is transmitted to the radio frequency identification chip, or the feedback signal of the radio frequency identification chip is transmitted out. The overall UHF electronic tag is resistant to a metal interference and has the performance of long-distance reading.

Abstract: A handheld electronic device may be provided that contains a conductive housing and other conductive elements. The conductive elements may form an antenna ground plane. One or more antennas for the handheld electronic device may be formed from the ground plane and one or more associated antenna resonating elements. Transceiver circuitry may be connected to the resonating elements by transmission lines such as coaxial cables. Ferrules may be crimped to the coaxial cables. A bracket with extending members may be crimped over the ferrules to ground the coaxial cables to the housing and other conductive elements in the ground plane. The ground plane may contain an antenna slot. A dock connector and flex circuit may overlap the slot in a way that does not affect the resonant frequency of the slot. Electrical components may be isolated from the antenna using isolation elements such as inductors and resistors.

Abstract: The present invention is a dual Ka-band, compact, high efficiency CP antenna cluster with dual band compact diplexers-polarizers that can be used as a basic building block for mobile satellite antenna arrays that require minimal dimensions and high efficiency.

Abstract: An electronic device may have buttons, a display, and a vibrator unit. Buttons may be included in electronic devices such as glass buttons, metal buttons, buttons that are assembled on printed circuit boards, and buttons that are partly formed from antenna structures. Button coatings may be used to improve the sliding performance of metal-on-metal buttons. A layer of polymer may be interposed between a button plate and a housing structure. A glass button member may have an underside on which a layer of patterned ink is formed. Elastomeric members may be used to reduce button rattle. Portions of a button may be provided with conductive features that form portions of an antenna.

Abstract: A system and methods for RF (Radio Frequency) penetration imaging of one or more objects in a medium, the system comprising: a generation and reception unit configured to generate and receive RF signals; an antenna array configured to transmit/receive the RF signals, the antenna array comprises a plurality of antennas: and a processor in communication with said antenna array, said processor is configured to analyze said RF signals and estimate the distance between the antenna array and the object, and in addition the relative orientation between the antenna array and the medium surface.

Abstract: An antenna and a communications device are presented. The antenna includes a radiating patch configured to transmit and receive a radio frequency signal; a radiating patch reference ground, disposed opposite the radiating patch; a first transmission line configured to transmit the radio frequency signal; a transmission line reference ground, disposed opposite the first transmission line; a first connection portion, connected to the first transmission line, and disposed opposite the radiating patch reference ground; and a first feed portion, including a first transmission line feed portion and two first radiation feed portions, where the two first radiation feed portions are connected to the radiating patch and are configured to receive a radio frequency signal of the radiating patch or transfer a radio frequency signal to the radiating patch; the first transmission line feed portion is connected to the first transmission line using the first connection portion.

Abstract: An electronic device is provided including a housing including a first plate, a second plate facing the first plate, and a side member between the first and second plate, a radio frequency (RF) circuit, a processor, a ground member, a first electric path connected between a first port of the RF circuit and a first point of a first conductive portion of the side member, a second electric path connected between a second port of the RF circuit and a first point of a second conductive portion of the side member, a third electric path connected between a second point of the first conductive portion and the ground member, a fourth electric path connected between a second point of the second conductive portion and the ground member, and a fifth electric path connected between one point of the second electric path and one point of the third electric path.

Abstract: One embodiment of a communication module can comprise: a first antenna printed on a substrate and provided in a plate shape; a second antenna spaced from the first antenna, printed on the substrate, and provided in a plate shape; a third antenna coupled to the substrate, provided in a three-dimensional shape, and transmitting or receiving a radio wave of a frequency band which is the same as or similar to that of the first antenna; a fourth antenna coupled to the substrate, provided in a three-dimensional shape, and transmitting or receiving a radio wave of a frequency band which is the same as or similar to that of the second antenna; and an integrated circuit electrically connected to the first to fourth antennas, mounted on the substrate, applying currents to the first to fourth antennas, and processing a transmitted or received signal.

Abstract: A transformer of the symmetric-asymmetric type includes comprising a primary inductive circuit and a secondary inductive circuit formed in a same plane by respective interleaved and stacked metal tracks. A first crossing region includes a pair of connection plates facing one another, with each connection plate having a rectangular shape that is wider than the metal tracks, and diagonally connected to tracks of the secondary inductive circuit.

Abstract: A co-frequency full-duplex antenna structure includes a receiving antenna, a transmitting antenna for transmitting a signal of a predetermined wavelength, and a signal reflection apparatus for reflecting the signal transmitted by the transmitting antenna, so as to realize that a path difference between a reflected signal formed when the signal transmitted by the transmitting antenna reaches the receiving antenna after being reflected and a direct signal formed when the signal transmitted by the transmitting antenna directly reaches the receiving antenna is an odd number of times as much as one half of the predetermined wavelength.

Abstract: A method of calibrating a phased array including an array of antenna elements, RF communication circuits each of which is electrically coupled to a different corresponding antenna element within the array of antenna elements, and a signal feed network that electrically couples a first signal line to second signal lines, wherein each second signal line is electrically coupled to a different corresponding RF communication circuit among the RF communication circuits, the method involving: performing a first phase of a calibration operation, the first phase of the calibration operation involving calibrating the signal feed network independent of the RF communication circuits; and performing a second phase of the calibration operation, the second phase of the calibration operation involving calibrating, independent of the signal feed network, each of the RF communication circuits until all RF communication circuits among the RF communication circuits are calibrated.

Abstract: A mobile computing device antenna according to one example includes a folded monopole element, a ground plane coupled to the folded monopole element by an antenna feed, a parasitic element that couples the folded monopole element to the ground plane, and a metal frame that encompasses the folded monopole element, the ground plane, and the parasitic element, where the metal frame is coupled to the ground plane by a plurality of ground points.

Abstract: There is provided an apparatus comprising a plurality of arrays; each array comprising a plurality of antenna elements, adjacent antenna elements of the array spaced at a first distance from one another and wherein the plurality of arrays are spaced from one other at a second distance, wherein the second distance is greater than the first difference.

Abstract: An antenna assembly is formed in a multilayer printed circuit board (PCB) for transceiving in a millimeter wave (mmWave) frequency band. A ground plane is formed on at least a portion of a planar surface of the multilayer PCB. Two metal components are physically attached to the multilayer PCB and electrically coupled to the ground plane. A monopole antenna is positioned vertically through one or more layers of the multilayer PCB. The antenna is positioned proximate to one lateral side of the multilayer PCB, and aligned between the two metal components. Vertical stubs are formed through the multilayer PCB, vertically aligned with the monopole antenna, and spaced to a side of the monopole antenna opposite to the one lateral side of the multilayer PCB. Each vertical stub is electrically grounded to the ground plane. The two metal components and the vertical stubs shape beam directivity of the monopole antenna.