Abstract: The invention provides a lighting device (104) and a luminaire (200). The lighting device comprises a light emitter (110) thermally connected to a heat sink (120). The lighting device further comprises a communication circuit (130) coupled to the heat sink for transmitting and/or receiving a communication signal. A first conductive part (122) of the heat sink comprises at least a first pole (142) of a dipole antenna (140) for transmitting and/or receiving the communication signal via the heat sink. This first pole of the dipole antenna may be induced via a primary radiator (160) to activate the gap (170).

Abstract: The present invention relates to a reflector for an antenna comprising a first reflector assembly and at least one second reflector assembly, the first reflector assembly having a first reflector structure adapted for a first antenna frequency band f1 and at least one second antenna frequency band f2; the at least one second reflector assembly having a second reflector structure adapted for the first antenna frequency band f1 and at least one third antenna frequency band f3; and wherein the first reflector assembly and the at least one second reflector assembly are electrically coupled so that the first reflector assembly and the at least one second reflector assembly together form a common reflector structure adapted for the first f1, at least one second f2 and at least one third f3 antenna frequency bands. Furthermore, the invention also relates to a multi band antenna comprising at least one such reflector.

Abstract: Embodiments are provided for an antenna element design with high aperture efficiency and stable gain across a frequency range. In an embodiment, the antenna element is obtained by placing a conductive layer on a dielectric substrate, forming a slot in the conductive layer, and forming two feed lines inside the dielectric substrate. A dielectric layer is placed on the dielectric substrate and over the conductive layer and the slot. A circular or elliptical conductive wall is formed inside the dielectric layer. A conductive element is also formed on the dielectric layer and over the slot. One or more second dielectric layers are placed on the dielectric layer and over the conductive element. A second circular or elliptical conductive wall is formed inside each second dielectric layer. A second conductive element is also formed on each second dielectric layer, over the conductive element.

Abstract: There is disclosed an antenna system for mobile handsets and other devices. The antenna system comprises a dielectric substrate having first and second opposed surfaces, a conductive track on the substrate, and a separate, directly driven antenna to drive the parasitic loop antenna formed by the conductive track. Two grounding points are provided adjacent to each other on the first surface of the substrate, with the arms of the conductive track extending in generally opposite directions from the grounding points. The conductive tracks then extend towards an edge of the dielectric substrate, before passing to the second surface of the dielectric substrate and then passing across the second surface of the dielectric substrate following a path generally following the path taken on the first surface of the dielectric substrate.

Abstract: A loop antenna is provided, which includes a first loop section, a second loop section and a third loop section. The first loop section surrounds and defines an empty area. The second loop section surrounds and connects the first loop section, and an annular groove is formed between the first loop section and the second loop section. The third loop section surrounds and connects the second loop section. The width of a gap between the third loop section and the second loop section is smaller than the width of the annular groove.

Abstract: A reconfigurable multi-output antenna (16) is disclosed comprising: one or more radiating elements (12, 14), at least two matching circuits (42, 44, 50, 52) coupled to the or each radiating element (12, 14) via e.g. a splitter (30, 32) or a duplexer; and wherein each matching circuit (42, 44, 50, 52) is associated with a separate port (38, 40, 46, 48) arranged to drive a separate resonant frequency so that the or each radiating element (12, 14) is operable to provide multiple outputs simultaneously. The resonant frequency of each output is independently controllable by each matching circuit, with good isolation with each other port, thereby offering very wide operating frequency range with simultaneous multi-independent output operations. Also described is a multi-output antenna control module for coupling to one or more radiating elements, an antenna structure and an antenna interface module. A reconfigurable multi-output antenna is disclosed comprising: one or more radiating.

Abstract: An antenna device which includes a coil conductor and a booster conductor. The coil conductor is defined by wound loop-shaped conductors and includes a first opening at a winding center and two ends connected to a feeding circuit. The booster conductor includes a coupling conductor portion and a frame-shaped radiation conductor portion. The coupling conductor portion includes a second opening overlapped at least partially by the first opening, is split in a portion thereof by a slit, and is electromagnetically coupled to the coil conductor. The frame-shaped radiation conductor portion includes a third opening and is connected to the coupling conductor portion.

Abstract: Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may include a dielectric carrier such as a foam carrier. The foam carrier may be formed from a material that can withstand elevated temperatures. Metal traces for antennas can be formed on the foam carrier by selectively activating areas on a powder coating with a laser and plating the laser-activated areas. Metal for the antennas may also be formed by attaching layers such as flexible printed circuit layers and metal foil layers to the foam carrier. Solder may be used to attach a coaxial cable or other transmission line, electrical components, and other electrical structures to the metal antenna structures on the foam carrier. The foam carrier may be formed from open cell or closed cell foam. The surface of the foam may be smoothed to facilitate formation of metal antenna structures.

Abstract: An electronic device includes a conducting element, a supporting element, and a multiband antenna is disclosed. The conducting element is connected to the ground of the electronic device by a high impedance connection. The supporting element has a supporting surface, and the supporting surface and the conducting element are perpendicular. The multiband antenna is disposed at the supporting surface and includes a radiating element, and the radiating element and the conducting element form a coupling capacitor.

Abstract: A diffractive device for fitting to a façade of a building, or to any other reflective wall, exposed to electromagnetic radiation emitted by a source located at a distance from the building, the device including a plurality of tubular resonant elements arranged on the façade of the building, where the resonant elements are arranged in a substantially parallel manner on the façade of the building in such a way as to form a diffraction grating and are oriented in a substantially perpendicular direction to the plane defined by the propagation vectors of the incident and reflected electromagnetic waves, each resonant element being configured to form an LC resonator capable of re-radiating a wave corresponding to the incident wave affected by a phase shift; the set of resonant elements being arranged in such a way that the incident wave is diffracted in a preferential direction.

Abstract: There is disclosed a loop antenna for mobile handsets and other devices. The antenna comprises a dielectric substrate (23) having first and second opposed surfaces and a conductive track (24) formed on the substrate (23). A feed point (26) and a grounding point (25) are provided adjacent to each other on the first surface of the substrate (23), with the conductive track (24) extending in generally opposite directions from the feed point (26) and grounding point (25) respectively and winding around the substrate (23) to the second surface and passing along a path generally opposite to the path taken on the first surface of the dielectric substrate (23). The conductive tracks (24) then connect to respective sides of a conductive arrangement (27) that extends into a central part of a loop formed by the conductive track (24) on the second surface of the dielectric substrate (23). The conductive arrangement (27) comprises both inductive and capacitive elements.

Abstract: A radiator for a base station antenna is disclosed. The disclosed radiator includes a feed part and a multiple number of radiation elements configured to receive feed signals provided from the feed part, where each of the radiation elements comprises a first conductive part, which is fed with a + signal from the feed part, and a second conductive part, which is fed with a ? signal from the feed part, and where a first expanding part that gradually increases in horizontal width along a direction of increasing distance from the first conductive part is joined to an end of the first conductive part, and a second expanding part that gradually increases in horizontal width along a direction of increasing distance from the second conductive part is joined to an end of the second conductive part.

Abstract: An implantable medical device (IMD) and methods of fabricating the same are provided. An IMD can include a housing and a cofire ceramic module (CCM) coupled to the housing. The CCM can include an antenna cofire-integrated in the CCM. The antenna can include a plate composed of conductive material, and conductive antenna elements that are annular substrates having perimeters substantially coextensive with the perimeter of the plate. The antenna can also include interconnections. A first set of interconnections can be coupled between the plate and one of the conductive antenna elements, and a second set of interconnections can be coupled between the conductive antenna elements. The antenna can also include a feed line conductively coupled to the plate. In some embodiments, the feed line can be substantially serpentine-shaped to adjust impedance in the CCM.

Abstract: A method and system for increasing the performance of an automotive plate antenna system are provided. A carbon loaded material is used to enhance performance of the plate antenna. The method and resulting systems have a first metallic plate of the antenna arranged and secured on a planar surface of the carbon loaded material. The method realizes an antenna system with reduced size and weight without a reduction in performance.

Abstract: An antenna device includes a retaining seat, a first polarized antenna module, and a second polarized antenna module, both disposed on the retaining seat. The first polarized antenna module has a dual-band monopole antenna. The second polarized antenna module has a carrying frame disposed on the retaining seat, two dual-band dipole antennas in a coplanar arrangement formed on the carrying frame, and a splitter installed on the carrying frame. Each dual-band dipole antenna defines a longitudinal axis and has a feeding and a grounding segment arranged in the longitudinal axis. The longitudinal axes of the dual-band dipole antennas are perpendicular to each other. The polarized direction of the dual-band dipole antennas is perpendicular to the polarized direction of the dual-band monopole antenna. The splitter is electrically connected to the feeding segments for separating a current respectively into the feeding segments by a phase difference of 90 degrees.

Abstract: A wireless electronic device includes a printed circuit board (PCB) with first, second, and third conductive layers separated from one another by dielectric layers. A stripline is included in the first conductive layer. Two highband dipole antenna strips are included in the second conductive layer and/or two lowband dipole antenna strips are included in the third conductive layer. The wireless electronic device may be configured to resonate at a lowband resonant frequency corresponding to the two lowband dipole antenna strips and resonate at a highband resonant frequency corresponding to the two highband dipole antenna strips when excited by a signal transmitted and/or received though the stripline.

Abstract: An antenna includes a core and is intended to be integrated into a rubber compound for a tire. The antenna further includes an electromagnetic-signal conduction layer, which is made of copper and coats the core, and a chemical isolation layer, which coats the conduction layer and is intended to chemically isolate the rubber compound from an object coated by the isolation layer.

Abstract: A NFC antenna assembly and a mobile communication device are provided. The NFC antenna assembly including: a shell, a connecting device and an antenna circuit, the connecting device includes a female connector and a male connector configured to connect with the female connector via a snap-fit connection, and the antenna circuit formed on the shell and the male connector and defining first and second ends which are adapted to electrically connect with the female connector via the male connector.

Abstract: An antenna with proximity sensor function is disclosed, the antenna includes at least one parasitic element coupled to a filter circuit and a proximity sensing circuit for sensing a load on the parasitic element to determine capacitive loading characteristics for sensing user loading of the device. By sensing the user loading or mode of the device, the antenna can be reconfigured with beam steering or frequency shifting adjustments.

Abstract: A nonplanar antenna embedded package structure and a method of manufacturing the same are introduced. The structure includes a nonplanar antenna component. The nonplanar antenna component comprises an antenna substrate, metal wiring, through-hole, and metal bump. The substrate surface covers the metal wiring. The through-hole penetrates the substrate from the antenna substrate bottom side but does not penetrate the metal wiring, and does not affect its appearance. The metal bump is implanted in the through-hole from the antenna substrate bottom side to join the metal wiring. An electronic component having a copper cable is provided. An end of the copper cable protrudes from the electronic component and is inserted into the through-hole of the antenna component to join the metal bump, thereby forming the nonplanar antenna embedded package structure characterized by: preventing the antenna metal wiring from exposing, and reducing interference otherwise arising from antenna resonance frequency and noise.