A multilayer electronic component includes a body and a coil. The body includes a plurality of sheets each containing magnetic powder particles. The coil includes an uppermost coil pattern disposed on a top surface of an uppermost sheet among the plurality of sheets, a lowermost coil pattern disposed on a bottom surface of a lowermost sheet among the plurality of sheets, and side coil patterns disposed on edges of central sheets disposed between the uppermost sheet and the lowermost sheet in a central portion of the body. The magnetic powder particles have shape anisotropy, and a major axes of the magnetic powder particles are aligned with each other within the body. A multilayer chip antenna can include the multilayer electronic component.

A universal ceiling antenna mount may include a plate having a first side and a second side. The plate may include at least one antenna adapter hole, at least one mounting post attached to the second side of the plate, and at least one stem having a top open end and a bottom open end. The bottom open end of the stems may attach to the second side of the plate over the antenna adapter holes. A top plate having at least one hole and at least one mounting hole may sandwich a ceiling tile with the second side of the plate and be secured. At least one coaxial antenna cable may be connected to a top side of mount. At least one antenna may be connected to a bottom side of the mount.

An antenna device is to be installed in a vehicle. The antenna device includes a first element; a second element; and a feeding part. An angle formed between an electric field plane generated at the first element and the second element and a direction of a long side of the vehicle is within a range of ±45 degrees.

An appliance, such as an oven, includes a housing having an internal compartment and an RF antenna. At least a portion of the housing comprises an electrically conductive portion. The antenna includes an active component and a connection to the electrically conductive portion, which serves as a ground plane of the antenna. The housing may include a door assembly having a window that includes the electrically conductive portion in the form of a transparent conductive layer. The door assembly may be detachable and the connection to the antenna may be made by way of capacitive coupling. In an alternative arrangement, the housing includes a light fixture for illuminating the internal compartment, wherein the active component of the antenna is disposed in the light fixture.

The present invention relates to an RF tag comprising a magnetic antenna for transmitting and receiving information using an electromagnetic induction method, and an IC mounted to the magnetic antenna, wherein the magnetic antenna comprises a magnetic core and a plurality of coils formed on the magnetic core; the coils each have an inductance L1 satisfying the specific relational formula, and are connected in parallel to each other in an electric circuit and disposed in series on the magnetic core; and a combined inductance L0 of the magnetic antenna satisfies the specific relational formula. The RF tag of the present invention is used as a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity.

An antenna having a passive antenna element that is integrated in a wireless communication chassis, is naturally in resonance, and is galvanically coupled to ground, and a passive indirect antenna element feed that is non-galvanically coupled to the antenna element. If the chassis is foldable, a parasitic element may be located opposite an antenna element feed when the foldable chassis is in at least one of a closed mode and a tablet mode.

An antenna assembly includes a looped but open metallic antenna and a flat ceramic antenna within the loop of the metallic antenna. The metallic antenna includes a first end portion and a second end portion at two ends. The ceramic antenna is surrounded by the metallic antenna. The first end portion is connected to the ceramic antenna and the second end is a free end, and the output power of wireless signals thusly radiated is increased at given frequencies.

Various systems and methods for radiating RF transmissions outside of a portable electronic device with a conductive case. In an embodiment, this solution includes a conductive enclosure, a circuit board within the conductive enclosure, at least one non-conductive gap between the circuit board and the conductive enclosure, and a radio frequency (RF) connection between the circuit board and the conductive enclosure. The combination of enclosure and gaps can excite certain radiation modes at high frequency bands, such as a cavity-backed lambda-long slot radiation mode.

Disclosed is a mobile terminal which comprises a GPS antenna, a back cover and a main board. The GPS antenna comprises a metallic radiation layer and a metallic grounding layer configured on a surface of the back cover, the metallic radiation layer and the metallic grounding layer are separated by insulating materials, the main board is provided with a feed wire and a ground wire; the metallic radiation layer is provided with a feed portion, the feed portion is connected to the feed wire which is on the main board, the feed portion serves as a radiation body of the GPS antenna, the metallic grounding layer is provided with a grounding portion, the grounding portion is connected to the ground wire which is on the main board, the grounding portion is used for grounding the GPS antenna, and the grounding portion is connected to the ground wire of the main board via a plurality of points of contact.

Techniques and mechanisms to provide satellite communication functionality with an antenna assembly. In an embodiment, a communication device includes an antenna panel (comprising one or more holographic antenna elements), a housing and hardware interfaces which facilitate operation of the communication device has a module of the antenna display. A cross-sectional profile of the housing may conform to a polygon other than any rectangle. A configuration of the housing and hardware interfaces may facilitate the formation of an antenna assembly arrangement other than that of any rectilinear array. In another embodiment, communication devices of the antenna assembly each conform to a triangle or a hexagon.

A broadband quadruple helical circularly-polarized antenna for receiving GNSS signals comprises an excitation circuit and a set of quadruple spiral elements. Each quadruple spiral element consists of four conductors. Each conductor is a one spiral turn of the quadruple spiral element. Said conductors have equal winding angle. The winding angle of all conductors does not change in the same quadruple spiral element. Conductors of neighboring (longitudinally) quadruple spiral elements have different winding angles. The antenna provides a sharp drop in AP at angles near the horizon and a small AP level in the lower hemisphere.

The present invention relates to a resonant frequency tunable antenna, and may provide a resonant frequency tunable antenna which comprises: a first ground part; a power supply part connected in the longitudinal direction of the antenna from the first power supply part; and a second ground part connected in the longitudinal direction of the antenna from the power supply part, wherein the second ground part is a variable ground part, the second ground part and the power supply part are connected by a switch, and the switch is connected to a common terminal which is grounded, so that the second ground part and the power supply part are linked and controlled.

An antenna and an electronic device are disclosed, which relates to an antenna. The antenna component includes an antenna body, two feed circuits, and at least one ground circuit. The two feed circuits are connected to the antenna body through respective feed points. The at least one ground circuit is connected to the antenna body through respective one of ground points, and at least one of the ground points is located between the two feed points.

An antenna arrangement is provided. The antenna arrangement includes a first antenna element and a second antenna element. An inductance coil is coupled to the first antenna element and the second antenna element.

A flat antenna for satellite communication includes a radiating board. The radiating board includes at least one radiating line, and an adapter configured to modify the delay of the fields transmitted or received by the radiating line. The adapter includes a horn mobile in rotation between the two metal plates containing a sensor array. The horn is also mobile in rotation between at least one coaxial cable connected between at least one sensor of the network and the radiating line. The length of the coaxial cable is suitable for introducing a delay required to focus the wave radiated by the radiating line.

A flat antenna for satellite communication includes a radiating board. The radiating board includes at least one radiating line, and an adapter configured to modify the delay of the fields transmitted or received by the radiating line. The adapter includes a horn mobile in rotation between the two metal plates, and a multilayer power supply circuit. The first layer of the multilayer power supply circuit is formed at least one metal plate containing an array of slot sensors and the last layer of the multilayer power supply circuit is provided with at least one coupling slot connected to the radiating line. The first layer and the last layer is linked by at least one transmission line. The length of the transmission line is suitable for introducing a delay required to focus the wave radiated by the radiating line.

Disclosed herein is a method and system for using ferrite cores to suppress harmonic radiation with microstrip patch antennas. In certain embodiments, the ferrites cores exemplified herein significantly suppressed second and third harmonic radiation generated by RF components coupled to the microstrip patch antenna.

A folded planar antenna device for radio frequency identification (RFID) reading is provided. The folded planar antenna device includes an RFID chip, a conductor member comprising a binocular-shaped slot; and a substrate. The conductor member is mounted on the substrate and the substrate is connected to the RFID chip through the binocular-shaped slot. The folded planar antenna device can be mounted on different objects, such as metal, meat, or liquid container, without being completely de-tuned.

A waveguide device includes a first electrically conductive member having a first electrically conductive surface; a second electrically conductive member having a second electrically conductive surface which opposes the first electrically conductive surface; and a ridge-shaped waveguide member on the second electrically conductive member. The second electrically conductive member has a throughhole which splits the waveguide member into first and second ridges. The first and second ridges each have an electrically conductive end face, the end faces opposing each other via the throughhole. The opposing end faces and the throughhole together define a hollow waveguide. The hollow waveguide is connected to a first waveguide extending between the waveguide face of the first ridge and the first electrically conductive surface, and to a second waveguide extending between the waveguide face of the second ridge and the second electrically conductive surface.

A tracking antenna system for discrete radio frequency spectrums includes a reflector, a pedestal supporting the reflector, a radome assembly enclosing both, a first feed for gathering radio waves within a first of discrete RF spectrums that is removably disposed in front of the reflector at the focal point, a first RF module operably connected to the first feed for converting the first gathered radio waves to first electronic signals, a feed mount for removably supporting the first feed and configured to removably support a second feed for gathering radio waves within a second of discrete RF spectrums, and a module mount for removably supporting the first RF module and configured to removably support a second RF module for converting the second radio waves to second electronic signals. A method of using the tracking antenna system adaptable for discrete radio frequency spectrums is also disclosed.

A slot array antenna includes: a first conductive member having a first conductive surface and a plurality of slots therein, the slots being arrayed in a first direction and in a second direction which intersects the first direction; a second conductive member having a second conductive surface which opposes the first conductive surface; a plurality of waveguide members arrayed between the first and second conductive members along a direction which intersects the first direction, each waveguide member having an conductive waveguide face which extends along the first direction so as to oppose at least one of the slots; and an artificial magnetic conductor in a subregion which is within a region between the first and second conductive members but outside of a subregion containing the waveguide members. Neither an electric wall nor an artificial magnetic conductor exists in a space between two adjacent waveguide faces among the waveguide members.

An antenna device includes: an antenna array configured to radiate or receive an electromagnetic wave signal; a feed network configured to connect the antenna array and a signal multiplexer; at least one signal multiplexer configured to divide one path of a signal from the feed network into at least two paths of a signal, or combine at least two paths of a signal to one path of a signal and transmit the one path of a signal to the feed network; and at least two interface modules connected to an active module and configured to receive a signal sent from the passive module or the active module, or send a signal to the active module. The antenna device can be used for sharing the antenna array and other parts in the active antenna systems.

A surface scattering antenna with a tightly-coupled or tightly-connected array of radiators provides an adjustable antenna with broadband instantaneous bandwidth.

A slot array antenna includes: an electrically conductive member having an electrically conductive surface and slots therein, the slots being arrayed in a first direction which extends along the conductive surface; a waveguide member having an electrically conductive waveguide face which opposes the slots and extends along the first direction; and an artificial magnetic conductor extending on both sides of the waveguide member. At least one of the conductive member and the waveguide member includes dents on the conductive surface and/or the waveguide face, the dents each serving to broaden a spacing between the conductive surface and the waveguide face relative to any adjacent site. The dents include a first, second, and third dents which are adjacent to one another and consecutively follow along the first direction. A distance between centers of the first and second dents is different from a distance between centers of the second and third dents.

An antenna array includes a plurality of patch antennas including a plurality of layers. Each of the plurality of layers are separated by a distance and each support a portion of the plurality of patch antennas. A plurality of connectors are each associated with one of the plurality of layers and supply a signal for transmission by the associated layer. A feed network on each of the plurality of layers provides a connection between a connector associated with the layer and the portion of the patch antennas located on the layer. Each layer transmits a signal having a different orthogonal function applied thereto that multiplexes each of the signals having a different orthogonal function applied thereto onto a single transmission beam. A parabolic reflector reflects the single transmission beam from the plurality of layers of the antenna array.

A device comprising a plurality of metallic conical radiators, said conical radiators substantially hollow having a vertex end and a base end, a first cylindrical portion disposed annularly about the base end of the conical portion, a metallic second cylindrical portion coupled to the vertex of the conical portion, said cylindrical portion having a threaded aperture, and an antenna feed coupled to the threaded aperture. The device may have patches disposed on a substrate as a one or multi-dimensional array. An RF feed may be coupled to the radiators.

Embedded connectivity is one of the latest technological trends that has been enthusiastically embraced by the automotive industry. As the modern car becomes increasingly connected, the number of vehicle radio services for aviation, infotainment, ADAS...

Amber from the Cretaceous period trapped a leaf-footed bug with extremely long and wide antennae, which may have helped disguise the insect or confuse predators

Rudolf L. Cheung, 57, a resident of Massachusetts, pleaded guilty today in federal court in the District of Columba to conspiracy to violate the Arms Export Control Act in connection with the unlawful export of 55 military antennae from the United States to Singapore and Hong Kong.

Amin Ravan, a citizen of Iran, and his Iran-based company, IC Market Iran, have been charged in an indictment unsealed today with conspiracy to defraud the United States, smuggling, and violating the Arms Export Control Act in connection with the unlawful export of 55 military antennas from the United States to Singapore and Hong Kong.

Antenna matching in IoT and low power devices

OTA characterization of phased array antennas and antenna in package (AIP)

Fault identification in single elements of antenna arrays by scanning in near-field range and applying the near-field to far-field transformation method.

A huge mobile phone antenna smashed into the roof of a Coles supermarket overnight as parts of Australia battle wild weather from an Antarctic cold front. 

IEEE / Institute of Electrical and Electronics Engineers Incorporated

IEEE / Institute of Electrical and Electronics Engineers Incorporated

IEEE / Institute of Electrical and Electronics Engineers Incorporated

IEEE / Institute of Electrical and Electronics Engineers Incorporated

IEEE / Institute of Electrical and Electronics Engineers Incorporated

IEEE / Institute of Electrical and Electronics Engineers Incorporated