Abstract: A multiband antenna includes a base board, a feed member, a first grounding connector, a second grounding connector, a first radio member, a second radio member, a third radio member and a fourth radio member. The feed member, the first grounding connector and the second grounding connector are all electronically connected to the base board. The first radio member is electronically connected to the feed member and the first grounding connector. The second radio member is electronically connected to the first radio member. The third radio member is electronically connected to the first radio member. The fourth radio member is electronically connected to the second grounding connector. In use, the multiband antenna sends/receives wireless signals in different working frequencies by the radio members.

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: Gimbal power systems and methods are operable to provide power to a device attached to the gimbal. An exemplary embodiment is configured to rotate a rotational member of the gimbal system about an axis, wherein a stator of a rotary power transformer affixed to the rotational member rotates about the axis, and wherein an end of an electrical connection coupled to a power connector of a rotor winding of the rotary power transformer remains substantially stationary as the stator of the rotary power transformer rotates about the axis.

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: A dual polarized variable beam tilt antenna having a superior Sector Power Ratio (SPR). The antenna may have slant 45 degree dipole radiating elements including directors, and may be disposed on a plurality of tilted element trays to orient an antenna boresight downtilt. The directors may be disposed above or about the respective dipole radiating elements. The antenna has a beam front-to-side ratio exceeding 20 dB, a horizontal beam front-to-back ratio exceeding 40 dB, a high-roll off, and is operable over an expanded frequency range.

Abstract: When first and second housings are in an open state, first and second switches are electrically opened, and thus, a first antenna element and a ground conductor operate as a first dipole antenna, and a second antenna element and the ground conductor operate as a second dipole antenna with isolation from the first dipole antenna by the slit. When the first and second housings are in the closed state, the first and second switches are electrically closed, and thus, the first antenna element operates as a first inverted F antenna on the ground conductor, and the second antenna element operates as a second inverted F antenna on the ground conductor with isolation from the first inverted F antenna by the slit.

Abstract: An antenna device included in a radio apparatus having a printed board includes a ground conductor provided in the printed board, a first sub-element, a second sub-element and a short circuit element. The first sub-element is formed as an area having a first side and a second side crossing each other. The first side faces a side of the ground conductor. The first sub-element has a feed portion around a crossing of the first side and the second side. The second sub-element is formed to branch off from the first sub-element around an end of the second side being farther from the crossing, to be open-ended and to be directed at least partially in a direction opposite a direction from the crossing to an end of the first side opposite the crossing. The short circuit element short-circuits one of the first sub-element and the second sub-element with the ground conductor.

Abstract: A multi-band antenna includes a grounding portion (300), a number of radiating members and a short-circuit portion (200). The short-circuit portion comprises a first short-circuit piece (210) connecting with the grounding portion and located in a first plane, a third short-circuit piece (230) located in a third plane and connecting with the radiating members, and a second short-circuit piece (220) connecting the first short-circuit piece with the third short-circuit piece and located in a second plane, with the first and third short-circuit pieces disposed on the same side of the second short-circuit piece. The radiating members comprises a first radiating member (110, 140) in the third plane and a second radiating member (120, 140) extending towards the first plane.

Abstract: A composite dipole array assembly can have a composite dipole array defined by a plurality of antenna elements and a plurality of non-linear element electrically interconnecting pair of the antenna elements. A reflector can be configured to reflect electromagnetic energy toward the antenna elements. A lens can be configured to focus electromagnetic energy upon the antenna elements. In this manner, the efficiency of the composite dipole array is enhanced.

Abstract: A multi-band antenna includes a grounding element, a first antenna connected to the grounding element, a second antenna connected to the grounding element and a coupling radiating arm extending from the grounding element. The grounding element extends along a lengthwise direction and includes first and second lengthwise sides. The first antenna includes a first connecting element extending from the grounding element and a first radiating element electrically connected to the first connecting element. The second antenna includes a second connecting element extending from the grounding element and a second radiating element electrically connected to the second connecting element. The first radiating element includes a first radiating portion extending from the first connecting element in both a longitudinal direction and a transverse direction and a second radiating portion substantially being leptosomatic.

Abstract: A coupling device is formed by a continuous conductive path having a central section and two extremity sections, the central section forming at least a small spiral for inductive coupling with the transponder device, the extremities sections forming each one large spiral for inductive coupling with the reader device, wherein the small spiral shows a larger pitch than the ones of the large spirals, and wherein the two extremities of the continuous path are loose such that the coupling device forms an open circuit. The pitches of the large spirals are chosen such as that the interturn stray capacitances is important and that the large spirals have mainly a capacitive behavior. And the pitch of the small spiral is chosen such as that the interturn stray capacitances are negligible, and that the small spiral has mainly an inductive behavior.

Abstract: A monopole antenna includes a base board having a first side and a second side, a grounding element attached on the first side of the base board, a coupling element attached on the first side of the base board and being spaced apart from the grounding element, and a radiating element connected to the coupling element and exposed out the base board.

Abstract: A small-size wide-band antenna (103) includes a radiation element formed on a dielectric substrate (1) and a coaxial cable (2) as power supply unit for supplying dipole potential to the radiating element. The radiation element includes a ground potential unit to which ground potential is supplied via an external conductor (4) of the coaxial cable and an opposite-pole potential unit to which a potential forming a pair with the ground potential is supplied via a center conductor (3) of the coaxial cable. The ground potential unit includes a pair of conductors (13,14) formed in a tapered shape on the front and rear surfaces of the dielectric substrate and mutually capacitively coupled. The opposite-pole potential unit includes a pair of conductors (31,32) formed in a tapered shape on the front and rear surfaces of the dielectric substrate and mutually capacitively coupled. Each of the ground potential unit and opposite-pole potential unit has a power supply point at a tapered apex of the conductor (13,31).

Abstract: A compact continuous ground plane system is provided. In one embodiment, the invention relates to an assembly for forming a continuous ground plane for an antenna having at least two elements configured to move relative to one another, the ground assembly including a first element having a housing, a plunger disposed within the housing, a second element, a wear plate coupled to the second element, and a spring disposed between the plunger and the housing, the spring configured to urge the plunger toward the wear plate, where the plunger is configured to be moved within the housing and to make electrical contact with the wear plate.

Abstract: An antenna is provided for GNSS and other applications and includes an adjustable-height vertical support PCB mounted on a ground plane and mounting a crossed-dipole radiating arm element assembly. The gain pattern of the antenna can be varied by constructing the vertical support PCB with different heights or adjusting the height and gain pattern in the field. Vehicles with significant pitch and roll can be provided with low-horizon tracking capability by providing a high-profile antenna configuration. Alternatively, low-profile configurations provide steeper gain pattern rolloff at the horizon for maximal multipath rejection and high accuracy. The droop angles of the radiating arm elements are also adjustable for varying the gain pattern and beamwidth. A matching and phasing network is connected to the radiating arm elements and provides a relatively constant input impedance for the various antenna configurations.

Abstract: The dual-band antenna is provided. The dual-band antenna includes an impedance matching control element, a first connection part, a first radiation element, a second radiation element, and a ground element. The first radiation element operates in a first frequency band, is connected to the impedance matching control element, and extends along a first direction having an obtuse angle with respect to a longitudinal direction of the first connection part. The second radiation element operates in a second frequency band. The ground element is electrically connected to the impedance matching control element and the second radiation element.

Abstract: A deployable lens is provided for an antenna. The lens comprises an array of metallic lens elements formed on a plurality of planar sections of a dielectric substrate, each lens element comprising a first end-fire element directed towards a feed side of the lens, a second end-fire element directed towards a non-feed side of the lens and a section of transmission line for coupling signals between the first and second end-fire elements. The section of transmission line, preferably in the form of a slot-line transmission line, is integrated with the end-fire elements and is of a length determined according to the position of the lens element within the aperture of the lens as deployed. An antenna is also provided comprising a deployable lens according to the present invention.

Abstract: A system for mounting a wireless antenna and equipment to a stealth communication tower in coastal areas and inland waterways, camouflaged as a sailboat. The Cellboat is retrofitted to securely and discreetly store wireless transceiver equipment, and an antenna is attached at the top of the mast. Access doors are disposed in the side of the Cellboat to provide access to the equipment for maintenance purposes. The Cellboat is stored at drydock, allowing for access and protection from flooding of the equipment. Alternatively, when the Cellboat is deployed in the water, the access doors will be located on the top deck of the Cellboat.

Abstract: The planar antenna apparatus may include a planar, electrically conductive, patch antenna element having a geometric shape defining an outer perimeter, and a pair of spaced apart signal feedpoints along the outer perimeter of the planar, electrically conductive, patch antenna element and separated by a distance of one quarter of the outer perimeter to impart a traveling wave current distribution. The outer perimeter of the planar, electrically conductive, patch antenna element may be equal to about one operating wavelength thereof. The apparatus may provide dual circular or dual linear polarization. The planar patch element may relate to a full wave loop antenna as a compliment.

Abstract: An antenna assembly is formed on a rectangular polyhedron support that has two sections projecting away from opposite sides of an electrically non-conductive substrate. An electrically conductive stripe wraps around the support and comprises a plurality of segments on different surfaces of the support. A conductive patch is located on two surfaces of the support to provide impedance matching between the antenna and a radio frequency circuit. By placing sections of the antenna assembly on both sides of the substrate and wrapping the conductive stripe around those sections, the space required to accommodate the antenna assembly within a housing of a communication device is reduced, as compared to some prior antenna designs.