Abstract: A multiple-reflector antenna for telecommunications satellites including a shaft, to which are attached at least two sub-reflectors, rotating in relation to a load-bearing structure, and a motor including a rotor able to drive the shaft in rotation, and a stator attached to the load-bearing structure, wherein the multiple-reflector antenna also includes two bearings enabling the shaft to rotate in relation to the load-bearing structure, a torsionally rigid mechanical filter placed between the shaft and the rotor, enabling the rotor to transmit the rotational movement to the shaft, and able to dampen the stresses generated by the shaft on the motor, and locking means able to hold the angular position of the shaft in relation to the load-bearing structure.

Abstract: There is disclosed an antenna arrangement having a parasitic conductive loop (1) and at least one active radiating element (9). The conductive loop (1) comprises first and second electrically conductive passive radiating elements (2, 3) each with first and second ends. The first ends of the passive radiating elements are each connected to ground, and the second ends of the radiating elements are each connected respectively to mutually discrete metalized surface regions (8) of a dielectric block (7). The at least one active radiating element (9) is not conductively connected to the passive radiating elements (2, 3). The passive radiating elements (2, 3) are configured to be fed parasitically by the at least one active radiating element (9). The antenna arrangement has excellent resistance to detuning and can be located in different regions of a PCB substrate without significantly affecting performance. Further, the antenna is small in size and may be arranged for dual band operation.

Abstract: A communication terminal apparatus and wireless communication device include comprising a first antenna having a first feed point, and a second antenna including a slit antenna and having a second feed point, the second antenna being spaced apart from the first antenna. The slit antenna includes a first conductive plate, a second conductive plate disposed substantially parallel to the first conductive plate, and a short-circuiting structure electrically connected between the first conductive plate and the second conductive plate so as to electrically short the first conductive plate to the second conductive plate.

Abstract: A 3D package device of a photonic integrated chip matching circuit, comprising: a first carrier substrate; a first microwave transmission line array formed by evaporation on the top surface of the first carrier substrate to provide bias voltages and high-frequency modulation signals to the photonic integrated chip; a second carrier substrate formed perpendicularly to the first carrier substrate or to have a certain angle with respect to the first carrier substrate, so as to constitute a 3D structure; a second microwave transmission line array formed by evaporation on the bottom surface of the second carrier substrate to match electrodes of the first microwave transmission line array, the second microwave transmission line array being soldered or sintered with the electrodes of the first microwave transmission line array; an electrode array formed by evaporation on a side surface or two opposite side surfaces of the second carrier substrate; and a microwave circuit.

Abstract: An antenna module is provided. The antenna module includes a first ground element, a body, a radiator and a parasitic element. The body is electrically connected to the first ground element. The radiator is connected to the body, wherein the radiator includes an extending portion, a bending portion and a terminal portion, and the bending portion is connected to the extending portion, and the terminal portion is connected to the bending portion. The parasitic element includes a parasitic extending portion and a parasitic conductive portion, wherein the parasitic extending portion is connected to the parasitic conductive portion, and the terminal portion and the parasitic extending portion is located on a same straight line, and the terminal portion is separated from the parasitic extending portion.

Abstract: Some embodiments herein relate to a transmitter. The transmitter includes an integrated circuit (IC) package including a first antenna configured to radiate a first electromagnetic signal therefrom. A printed circuit board (PCB) substrate includes a waveguide configured to receive the first electromagnetic signal and to generate a waveguide signal based thereon. A second antenna can be electrically coupled to the waveguide and can radiate a second electromagnetic signal that corresponds to the waveguide signal. Other devices and methods are also disclosed.

Abstract: A broadband antenna can include a parabolic dish having a diameter D and a radius of curvature that establishes a focal point for the parabolic dish. A tapered slot feed having a feed point can be positioned above the parabolic dish so that its effective radiation point is spaced a distance F from the center of the dish, where F is the focal length of the dish. With this configuration, feed point for the tapered slot feed can be coincident with parabolic dish focal point. The tapered slot feed can include two elements that form an exponentially tapered slot, which establishes a phase center for the tapered slot feed. A conductive bar can interconnect the two elements, in order to minimize the phase center variation during broadband operation.

Abstract: Electronic devices may be provided with antennas. An antenna may be formed from conductive antenna structures that include a frequency-dependent distributed capacitor. The antenna may include an antenna ground and an antenna resonating element that are separated by a gap. A low pass filter circuit may bridge the gap. The antenna resonating element may have antenna resonating element conductive structures that serve as first and second electrodes for the distributed capacitor. The second electrode may have first and second conductive elements coupled by a filter. The filter may be a low pass filter implemented using an inductor. The inductor may have a first terminal coupled to the first conductive element and a second terminal coupled to the second conductive element. A first antenna feed terminal may be coupled to the first conductive element and a second antenna feed terminal may be coupled to the antenna ground.

Abstract: Antenna array arrangement for a multi band antenna, comprising a plurality of first dual band antenna elements adapted for transmitting/receiving in a lower antenna frequency band and in a higher antenna frequency band, a plurality of first single band antenna elements adapted for transmitting/receiving in the higher antenna frequency band, the first dual band antenna elements and the first single band antenna elements being arranged in a row, wherein at least two first single band antenna elements are arranged adjacent to each other. Furthermore, the invention also relates to a multi band antenna comprising at least one such antenna array arrangement.

Abstract: A microstrip patch antenna including a ground plane base, an L-shaped feed structure and a laminate structure is disclosed herein. A matching network is formed by a clearance member of the laminate structure around a pin and a stub of the L-shaped feed structure on the bottom surface in which the clearance member around the pin effectively decreases shunt inductance and reduces a series capacitance at a feed point to enable a 50 ohm wideband operation.

Abstract: The present invention provides a mobile broadband device, and relates to the field of communications technologies. The mobile broadband device includes a casing, a Printed Circuit Board Assembly (PCBA), and an antenna. The antenna and the PCBA are both set in the casing, and the PCBA can be slidably pulled out or retracted back along the casing. The antenna is fixedly set on an inner side of the casing and forms a hollow space for accommodating the retracted PCBA, there is a contact point set on the antenna, and the contact point is electrically connected to a feed point of the PCBA. With the mobile broadband device, the antenna does not individually occupy part of space in the casing without affecting the performance of the antenna; therefore, the volume and length of the mobile broadband device are effectively reduced, and the portability of the mobile broadband device is effectively improved.

Abstract: A semiconductor package integrated with conformal shield and antenna is provided. The semiconductor package includes a semiconductor element, an electromagnetic interference shielding element, a dielectric structure, an antenna element and an antenna signal feeding element. The electromagnetic interference shielding element includes an electromagnetic interference shielding film and a grounding element, wherein the electromagnetic interference shielding film covers the semiconductor element and the grounding element is electrically connected to the electromagnetic interference shielding layer and a grounding segment of the semiconductor element. The dielectric structure covers a part of the electromagnetic interference shielding element and has an upper surface. The antenna element is formed adjacent to the upper surface of the dielectric structure. The antenna signal feeding element passing through the dielectric structure electrically connects the antenna element and the semiconductor element.

Abstract: An antenna assembly for a mobile wireless communication device has a support with a first surface and a second surface between which a third surface and a fourth surface extend. A conductive ground plane is formed on the second surface. An antenna includes an electrically conductive patch located on the first surface, and first and second electrically conductive legs and an electrically conductive stripe all abutting the patch. In one version the first and second legs and the strip are all on the third surface. In another version the first and second legs are on the third surface and the strip is on the fourth surface that is orthogonal to the third surface. A first signal port is adapted to apply a first signal to the first leg and a second signal port is adapted to apply a second signal to the third leg.

Abstract: Electronic device structures may be tested using a radio-frequency test system. The radio-frequency test system may include radio-frequency test equipment and an associated test fixture. The radio-frequency test equipment may be used in generating and measuring radio-frequency signals. The test fixture may contain adjustable structures that allow the positions of radio-frequency test probes to be adjusted. The test system may be configured to position radio-frequency probes in the test fixture so that some probe contacts form electrical connections with conductive antenna structures. The radio-frequency probes may contain other contacts that are positioned to form electrical connections with conductive electronic device housing structures. During radio-frequency testing, the test equipment in the test system may apply radio-frequency test signals to the device structures under test using the test probes. Corresponding radio-frequency test signals may be measured by the test equipment.

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: A monopole slot antenna structure including a dielectric substrate, a monopole slot antenna and a feed element is provided. The monopole slot antenna is disposed on one side of the dielectric substrate and has a slot including a first slot section, a tuning slot section and a second slot section. One end of the first slot section is located at one edge of the monopole slot antenna with the other end of the first slot section being extended towards internal portions of the monopole slot antenna and being connected to the tuning slot section. One end of the second slot section is connected to the tuning slot section with the other end of the second slot section being extended away from the first slot section. The feed element is disposed correspondingly to the second slot section, and excites the monopole slot antenna to generate two operating frequency bands.

Abstract: An electronic device includes: a circuit substrate; and an antenna element installed on the circuit substrate, wherein the antenna element is installed at a position apart from an end of the circuit substrate by a given offset so that distribution variation of irradiation characteristics of the antenna element within a horizontal surface is reduced both in cases where the electronic device in which the antenna element is installed is set in portrait orientation and in landscape orientation.

Abstract: An assembly includes a wire antenna including at least on conductive turn, a first fibrous substrate on which the antenna extend. The first substrate comprises at least one coated paper including a fibrous base containing at least 30 mass % of natural fibers in the fibrous mass. The antenna is connected to a face of the flexible substrate. The paper includes on that face at least one surface layer containing at least one mineral load and a coating binder. The fibrous base may contain at least 40 mass %, preferably 50 mass %, more preferably 60 mass % and ideally at least 70 mass % of natural fibers, with preferably a lower proportion of long natural fibers relative to short ones when the fibrous mass includes synthetic fibers, in particular between 5 and 25% of synthetic fibers.

Abstract: An UHF RFID antenna for attached on any high conductive object is disclosed. The antenna radiation body has a first copper foil mounted thereon a backside surface of a FR4 glass fiber served as a ground plane, a second copper foil mounted thereon a front surface of the FR4 glass fiber as a main radiation plane. The main radiation plane contains two etched slits spaced each other. Each etched slit has a shape like a blade with a long handle. The two etched slits are mirror symmetry and a trench formed to connect the two etched slits for a RFID tag seated thereon so that There are short circuit microstrip and a feed-in microstrip are generated.

Abstract: A circuit board panel includes a plurality of circuit boards (PCB). One or more antenna boards (615) are formed in spare areas about the plurality of circuit boards (PCB). Antenna boards may also be coupled to circuitry on the circuit boards in a detachable manner.