Abstract: A case for a wireless tablet computer device includes a number of RF resonant loop elements and elongated RF director coupling strip elements mounted in the case and configured such that RF radiation is coupled from an internal antenna of the wireless device out of the device to the RF resonant and coupling elements. The case incorporates a cut-out section in a location leaving exposed a strip that covers an area proximate the internal antenna. The RF resonant loops and director coupling strip elements alternatively may be incorporated with the wireless tablet computer device itself.

Abstract: An apparatus transmits and/or receives radio waves in the UHF band and is configured for installation in an elastic structure. The apparatus includes at least one electronic component and an antenna embedded in the elastic structure. The antenna is connected to the electronic component and includes at least one filament configured to be plastically deformable and/or elastically deformable. The filament is helically wound to a predetermined antenna length (L) and defines an antenna winding turns density per cm of the antenna length. The antenna length (L) is between 4 cm and 10 cm and the antenna winding turns density lies in a range of 5 to 15 winding turns per cm of the antenna length.

Abstract: A terminal device includes a housing, a communication antenna, and an agglomerative meta-structure, wherein the agglomerative meta-structure comprises a first pattern layer connected in series between an input end and an output end of the agglomerative meta-structure, and a second pattern layer connected in parallel between the input end and the output end.

Abstract: An antenna system for mobile communication includes a transportation device and an antenna module installed on the transportation device. The antenna module has a first polarized antenna unit and a second polarized antenna unit. The polarized direction of first polarized antenna unit is perpendicular to the polarized direction of second polarized antenna unit, such that when the transportation device moves along a first direction, the first and the second polarized antenna units are coupling to each other, and each has an 8-shaped radiation pattern. The longitudinal direction of the radiation pattern of the first polarized antenna unit and the longitudinal direction of the radiation pattern of the second polarized antenna unit are parallel to a second direction, and the second direction is not parallel to the first direction. Thus, the instant disclosure provides the antenna system capable of restraining the multipath fading of mobile communication.

Abstract: An antenna device is provided. The antenna device includes a circuit board including a first side configured with a transmission unit, and a second side opposite to the first side; a main radiator disposed at the first side, electrically connected to the transmission unit, and having a major axis direction; a first parasitical radiator adjacent to the main radiator, and coaxially disposed in the major axis direction at the first side; and a second parasitical radiator coaxially disposed in the major axis direction at the second side.

Abstract: An assembly includes a self-contained, adjustable shrouding for a MIMO or SISO, or combination thereof, retransmission system enclosure. The enclosure ensures proper coverage areas of small to large facilities. The proper coverage is achieved through cake layer pie designs that previously often resulted in capacity and sector overlay issues. The antenna enclosure has a directional nature that allows for dividing stadiums, arenas, tracks, (or other large groups) into manageable smaller coverage areas through controlled directional zoning.

Abstract: An antenna includes a radiator and a reflector and has a radiation pattern that is based at least in part on a separation distance between the radiator and the reflector. The antenna includes a linkage configured to adjust the separation distance based at least in part on the altitude of the antenna. The resulting radiation pattern can be dynamically adjusted based on altitude of the antenna such that, while the antenna is aloft and the antenna is ground-facing, variations in geographic boundaries and intensity of the radiation received at ground level are at least partially compensated for by the dynamic adjustments to the radiation pattern.

Abstract: There is provided a magnetic composite sheet including: a magnetic layer including first and second magnetic pieces having different sizes; and a cover film formed on one surface or both surfaces of the magnetic layer, wherein, in a cross-section of the magnetic composite sheet taken in a direction parallel to a direction in which the magnetic layer and the cover film are laminated, when a length of the first magnetic piece in a vertical direction is a and a length thereof in a horizontal direction is b, and a length of the second magnetic piece in the vertical direction is a? and a length thereof in the horizontal direction is b?, b/a is greater than b?/a?(b/a>b?/a?).

Abstract: An antenna is disclosed as including at least one dipole connected with at least one shorted patch antenna, and at least two feeding sources.

Abstract: A multi-band antenna includes a base portion, a high-frequency radiating portion, a feeding portion and a low-frequency radiating portion. The base portion has a first transverse edge and a second transverse edge parallel to and opposite to the first transverse edge. The high-frequency radiating portion includes an inductance portion, a first extending portion, a second extending portion and a third extending portion. One side of a bottom of the feeding portion defines a feeding point. The low-frequency radiating portion has a bending portion, a coupling portion and an auxiliary portion. The base portion, the high-frequency radiating portion, the coupling portion and the auxiliary portion are coplanar. The base portion, the high-frequency radiating portion, the coupling portion and the auxiliary portion together with the bending portion are located in two perpendicular planes.

Abstract: A portable communication apparatus includes a first antenna radiator, a second antenna radiator, a first feeding point, a second feeding point, and a matching circuit. The first antenna radiator is used for radiating a high-frequency band signal. The second antenna radiator is used for radiating a low-frequency band signal. The first feeding point is coupled to the first antenna radiator and is utilized for processing feed-in or feed-out of the signal of first antenna radiator. The second feeding point is coupled to the second antenna radiator and is utilized for processing feed-in or feed-out of the signal of second antenna radiator. The first feeding point is separate from the second feeding point. The matching circuit is coupled to the first and second feeding points, and used for impedance matching with the first antenna radiator and the second antenna radiator.

Abstract: A radiator is provided with a looped radiation conductor, a capacitor, an inductor, a feed point on the radiation conductor, and a dielectric block provided in a portion where the radiation conductor and the ground conductor are close to each other. At a low-band resonance frequency, a current flows through a path extending along an inner perimeter of the loop of the radiation conductor and including the inductor and the capacitor. At a high-band resonance frequency, a current flows through a path including a section extending along an outer perimeter of the loop of the radiation conductor, including the capacitor but not including the inductor, and extending between the feed point and the inductor, and a parallel resonant circuit is formed from: a capacitance between the radiation conductor and the ground conductor between which the dielectric block is provided; and an inductance of the radiation conductor.

Abstract: A communication device including a ground element, an antenna element and a switching unit is provided. The antenna element is substantially a loop antenna and includes a first part, a second part and a third part. The second part includes (N?1) bends for forming N connection sections. The third part includes (P?1) bends for forming P ground sections. The N connection sections are connected in series between a first end of a first ground section and the first part. A second end of an ith ground section is electrically connected to a first end of an (i+1)th ground section, i is an integer and 1?i?(P?1). A second end of a Pth ground section is electrically connected to the ground element, and a (P?1)th ground section includes at least one ground point. The switching unit is electrically connected between the at least one ground point and the ground element.

Abstract: An antenna arrangement for transmitting signals has improved directional characteristics and a higher antenna gain, is simple to produce, and is robust and cost-effective. The antenna arrangement has a plurality of planes, and a plurality of individual antennas are arranged in each plane.

Abstract: This invention refers to an antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has the shape of an open loop. The invention further refers to an antenna structure for a wireless device, such as a light switch or a wrist sensor or wristwatch, comprising an open loop ground plane having a first end portion and a second end portion, the open loop ground plane defining an opening between the first end portion and the second end portion; and an antenna component positioned within the opening defined between the first end portion and the second end portion and overlapping at least one of the first end portion or the second end portion. Further the invention refers to a corresponding wireless device and to a method for integrating such an antenna structure in a wireless device.

Abstract: An antenna includes a base, a ground layer printed on the base, a first antenna portion, a second antenna portion, and an isolation slot defined in the grounded layer. The isolation slot is arranged between the first antenna portion and the second antenna portion to reduce the interference between the first antenna portion and the second antenna portion.

Abstract: An apparatus and method for modifying an electromagnetic beam. A metamaterial structure is positioned relative to a transmitting device such that an electromagnetic beam transmitted by the transmitting device passes through the metamaterial structure. The electromagnetic beam has a wavefront with a Gaussian intensity profile. The wavefront of the electromagnetic beam is modified as the electromagnetic beam passes through the metamaterial structure such that the Gaussian intensity profile of the wavefront is changed to a Bessel intensity profile.

Abstract: A resonant circuit and an antenna device achieve a low resonance frequency without increasing a coil size, and improve communication performance. In the resonant circuit, two coil-shaped conductors are arranged so as to be opposed to each other with a dielectric sheet interposed therebetween. The two coil-shaped conductors are, at the opposed portions thereof, coupled with a capacitance interposed therebetween, and wound so that electric currents flowing through the respective conductors trend in the same direction in a planar view. The opposed area in at least a portion of the outermost windings and/or innermost windings of the coil-shaped conductors is larger as compared with the opposed area in any other winding, and the respective ends of the conductors define power feeding units.

Abstract: A system and method are disclosed which may comprise a composite resonating antenna structure which may comprise: a first substrate comprising a first portion of a flexible substrate comprising a first conductive layer forming a first resonating element on the first portion of a flexible substrate; a second substrate connected to a second portion of the flexible substrate to form a transition, with the first portion of the flexible substrate and the second substrate generally orthogonal to each other; and a second conductive layer attached to a third substrate, the second conductive layer shaped to include a ground plane section and a signal transmission line carrying microwave frequency signals including a center frequency; wherein the first resonating element radiates a frequency equal to the center frequency based on first portion of the flexible substrate and the third substrate being generally orthogonal to each other.

Abstract: Implementations for exciting two or more modes via modal decomposition of a pulse by a wave launcher are generally disclosed.