Abstract: According to various aspects, exemplary embodiments are provided of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes one or more tapered loop antenna elements.

Abstract: A chip package includes a plurality of layers including conductive planes connected by vias. The layers include a first portion having an antenna formed therein and a parallel-plate mode suppression mechanism to suppress parallel-plate mode excitation of the antenna. The parallel-plate mode suppression mechanism includes a reflector offset from an antenna ground plane and first grounded vias. A second portion has an interface for connecting to an integrated circuit device wherein the first portion and the second portion are separated by the parallel-plate mode suppression mechanism.

Abstract: A printed wiring board includes a circuit substrate on which sheets are laminated, a wireless IC element provided on the sheet, a radiator provided on the sheet, and a loop-shaped electrode defined by first planar conductors, via hole conductors, and one side of the radiator, coupled to the wireless IC element. The first planar conductors are coupled to the radiator and the second planar conductors by auxiliary electrodes.

Abstract: A broadband, low profile, ultra-thin and flexible, planar wire antenna includes an inverted triangular section and a horizontal bar section centered at the apex of the triangular section. Tab elements are provided on opposite ends of the bar section to increase the end effect of the antenna. Furthermore, 45 degree tabbed elements are joined to the top corners of the triangular section and extend in opposite directions therefrom. The tabbed elements added to the triangular section and to the bar section increase the overall electrical length of the antenna to simulate a physically larger size antenna.

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: Broadband slot-coupled stacked patch antenna elements are capable of continuous broadband operation between 1.71 GHz and 2.69 GHz. The broadband slot-coupled stacked patch antenna element includes a mid-band radiating patch, a high-band radiating patch, and a low-band resonator with coupling slots capable of resonating at low, mid, and high band frequencies. Additionally, a low-profile probe-fed patch element is provided for pattern enhancement of antenna arrays at high-band frequencies. This low-profile patch element features fan-shaped probes that have three degrees of tune-ability, namely a length, a width, and a spreading angle. Further aspects include 3-column and 4-column offset arrays of the broadband patch radiators and an interleaved array of the low-profile high-band patch radiators and the broadband radiating elements. A new type of azimuth beam forming network (ABFN) is also introduced for the beam forming of the 3-column and 4-column dual-beam arrays.

Abstract: A conical radiator coupled to an antenna patch disposed along a first end of the radiator, said patch disposed on an insulator. A ground plane is connected to the insulator and a radome is disposed opposite a second end of the radiator. The radome has a first region presenting a convex surface towards the radiator, and a second region presenting a concave surface towards the radiator. The first end of the conical radiator is the apex of the cone. A ground plane is included and a portion of the ground plane is a planar surface and another portion extends away from the planar portion towards the radome. Also disclosed is a method for forming a radiation pattern by shaping the radome to effectuate a predetermined radiation pattern using localized convex and concave surfaces positioned on the radome at different points in relation to the conical radiator.

Abstract: An antenna apparatus that includes a first antenna having a first feed point, a second antenna having a second feed point, and a first non-feed element grounded at a first ground point disposed at a first predetermined distance from the first feed point and the second feed point.

Abstract: A device includes a dielectric, wherein a front and a back of the dielectric for reflecting and transmitting an electromagnetic wave are defined by a first surface and a second surface, the first or second surface forming a half mirror, the first surface has a height that changes in spiral as leaving from the second surface, and the second surface has a height that changes in spiral as leaving from the first surface.

Abstract: An antenna, including a radiating element configured to have a fundamental resonance frequency being regarded as a first harmonic resonance frequency fo, and feed points positioned on the configured radiating element at selected multiple locations that correspond to where a multiple of the first harmonic resonance frequency have current maxima, wherein feeds at the feed points cooperate at an operating frequency of the antenna to constructively combine their respective antenna radiation patterns.

Abstract: The present invention refers to a reconfigurable antenna structure. The antenna structure comprises an active radiating structure comprising at least an active radiating element, a passive radiating structure comprising at least a passive radiating element, a ground plane structure comprising at least a ground plane element and at least a first circuitry element to selectively electrically connect/disconnect said passive radiating element with/from said ground plane element. The ground plane structure comprises regulating means of the current distribution along said ground plane structure, when said antenna structure emits/receives an electromagnetic radiation.

Abstract: A basic antenna (2), designed to form a radiating element of an array antenna, includes, superimposed, a planar reflector (4), a probe (6), and an assembly (8) of the EBG type by default in the form of a cavity (16). The basic antenna (2) includes a wall enclosure (10) capable of reflecting the electromagnetic waves at the operating frequency or frequencies of the basic antenna (2), the wall enclosure (10) being an extension in a direction orthogonal to the planar reflector (4) and simultaneously surrounding only the probe (6), the cavity (16) and the structure (14). The one- or two-dimensional array antenna includes a plurality of joined basic antennas (2) arranged compactly.

Abstract: A dual-polarization omnidirectional antenna includes a reflecting base plate, a radiating oscillator, outputting coaxial cables, RF connectors, a metallic supporting pillar and a T-shaped probe. The radiating oscillator has an upper layer provided with a one-to-two feed dividing network and a lower layer provided with a round patch; the T-shaped probe is welded with the round patch. A mixing ring is arranged on the reflecting base plate; two RF connectors are respectively connected with a first port and a second port of the mixing ring; an inner conductor of a first outputting coaxial cable has a first end connected with the feed dividing network and a second end connected with a third port of the mixing ring; an inner conductor of another outputting coaxial cable has a first end connected with the T-shaped probe and a second end connected with a fourth port of the mixing ring.

Abstract: A substrate includes a dielectric plate and a conductive layer formed on both surfaces of the dielectric plate, and a first cutout is formed in the conductive layer on both surfaces of the substrate so as to extend inward from part of a first edge of the substrate. A first radiation electrode is connected to the conductive layer at a first point located on an outer peripheral line of the first cutout. A first reflector plate is disposed in a location further inward in the substrate from the first edge than the first point. The reflector plate is electrically connected to the conductive layer, and faces toward the first point. Thus an antenna device that is suited to miniaturization and that is capable of increasing directivity is provided.

Abstract: An RF feed element for an antenna system required to comply with a set of specified secondary pattern characteristics is designed by performing a quantitative optimization of the RF feed element directly with respect to the secondary pattern characteristics. The quantitative optimization may include pre-computing a plurality of partial secondary pattern complex field values. Each partial secondary pattern may be associated with an RF feed element modal beamlet. A value of at least one to-be-optimized feature is optimized by iteratively adjusting the value of the to-be-optimized feature(s) within an optimization loop that iteratively computes secondary pattern characteristics and compares them to the specified secondary pattern characteristics.

Abstract: An information storage medium, a managed product and a management system in which the possible communication distance of an IC tag for wireless communication can be improved and the reading direction limitation can be reduced are provided. The information storage medium includes a wireless IC tag in which information is stored, a sheet body including a first spacer, an auxiliary antenna and a second spacer, and an elongated member formed of a conductive material. The elongated member is provided to be opposite to the wireless IC tag with respect to the sheet body. As the elongated member, for example, a part of a tool such as a body portion of a screwdriver can be used.

Abstract: The present invention discloses a directional antenna for a multi-in multi-out or antenna beam switchable wireless communication system, including a substrate, at least one directional antenna, formed on the substrate, for generating a radiating pattern of a radiation plane according to a feeding signal, and a reflector, disposed in parallel to the radiation plane of the directional antenna, for reflecting the radiating pattern of the directional antenna, to increase a gain of the directional antenna corresponding to the radiation plane.

Abstract: Microwave antennas having optimized performance are provided. The microwave antennas include a primary reflector having effective foci arranged in a generally circular or elliptic range around a central axis thereof, and a matching component filling a hole at a bottom center portion thereof. The structural parameters of the microwave antenna are tuned by an aperture field analysis method to optimize the overall performance.

Abstract: A method is provided which includes: defining at least one radiofrequency performance objective to be produced on a selected coverage area on the ground; producing a rigid shell having a predefined profile; producing a reflecting flexible membrane; determining, by successive iterations, N optimum local deformations to be applied at N different points of the flexible membrane; producing N rigid supporting bars of different lengths corresponding to the optimum local deformations to be applied to the flexible membrane; and positioning and rigidly fixing the flexible membrane onto the rigid shell via the N supporting bars.

Abstract: An antenna includes a dielectric sheet and a conductive film. The dielectric sheet is folded into a plurality of fold segments and is configured to be compressed into a compressed state and to be expanded into an expanded state. The conductive film is disposed on a portion of the dielectric sheet. The conductive film has a pattern that defines a current path from the bottom of the dielectric sheet to the top of the dielectric sheet. The pattern is configured so that the each of the plurality of fold segments includes a portion of the pattern and so that the portion of the pattern on each fold segment is substantially non-juxtaposed with respect to the portion of the pattern on each adjacent fold segment when the dielectric sheet is fully compressed into the compressed state.

Abstract: A structure includes a first conductor plane; a plurality of second conductor planes, at least a portion thereof being provided facing the first conductor plane; a transmission line that is provided with at least a portion thereof facing one conductor plane of the first conductor plane and the second conductor plane, and that is disposed on an opposite side of the other conductor plane with respect to the one conductor plane; and a first conductor connecting portion that electrically connects the transmission line with the other conductor plane, and a unit structure that includes at least the second conductor plane, the transmission line, and the first conductor connecting portion is repeatedly disposed.

Abstract: An antenna for wideband operation comprises a planar loop element having a total-length-to-width ratio below about 50:1. In one embodiment, a plurality of planar loop elements are arranged in a Yagi array having a single active element. The dimensions of the elements are chosen to achieve substantially resistive impedance over greater than a thirty percent bandwidth and a minimum gain of 6.5 dB over isotropic response.

Abstract: The invention concerns a radio antenna for a space satellite, including a reflector and means of support of this reflector. The reflector includes a front skin able to reflect radio waves, a rigid rear structure supported by the means of support, and a layer of elastic material interposed between said front skin and said rigid rear structure, able to dampen the vibrations of the front skin.

Abstract: An antenna for enhancing characteristic of a beam with reducing PIMD is disclosed. The antenna includes a reflection plate, at least one first choke member disposed on one side of the reflection plate, an insulated member disposed between the reflection plate and the first choke member, thereby separating the first choke member from the reflection plate, wherein the insulated member is an insulator, and a connection member configured to connect electrically the first choke member to the reflection plate through the insulated member, wherein the connection member is a conductor.

Abstract: An electrically-shortened Yagi antenna includes a boom, a first electrically-shortened end element mounted on the boom, a second electrically-shortened end element mounted on the boom; and an electrically-shortened driven element mounted on the boom and electrically shortened less than the first and second electrically-shortened end elements.

Abstract: Exemplary embodiments, the present disclosure are related to an antenna system including radiating elements and reflectors. The reflectors can be disposed with respect to the radiating elements to reflect radiation from the radiating elements to generate a coverage area that exceeds the coverage area generated by the radiating elements without the reflectors.

Abstract: An embedded antenna is disclosed. The embedded antenna comprises a coaxial cable and a grounding connecting part. The coaxial cable comprises a center conductor, an insulating layer and an outer sheath. The center conductor comprises a signal transmission part and a radiating part. The radiating part electrically connects the signal transmission part and provides a resonance frequency. The insulating layer covers the signal transmission part and the radiating part. The outer sheath covers the signal transmission part but not the radiating part. The grounding connecting part electrically connects the system grounding part and the outer sheath.

Abstract: A GPS antenna is provided with a reflective conductor portion. Thereby, an electromagnetic wave radiated from an antenna conductor portion in a predetermined direction can be grounded electrically, and thus radiation of the electromagnetic wave in a direction (arbitrary direction) opposite to the predetermined direction can be enhanced. As a result, the directivity of the electromagnetic wave in the arbitrary direction can be enhanced to improve the positioning accuracy.

Abstract: According to one aspect of the present invention, an antenna reflector apparatus provided comprises a shell body, a reflector indentation, and an antenna. The reflector indentation embedded in the shell body comprises a first indentation opening and a second indentation opening opposite to the first indentation opening. The first indentation opening is on the first surface of the shell body; the second indentation opening is on the second surface of the shell body. And the first indentation opening penetrates the shell body and connects to the second indentation opening. The antenna is located besides the second indentation opening of the reflector indentation. The area of the first indentation opening of the reflector indentation is larger than the area of the second indentation opening.

Abstract: A radiator in which power is fed through a slot of a reflection plate and which can be manufactured in a simple manner and an antenna including the same are disclosed. The antenna includes a reflection plate and a radiator. The radiator includes feed sections disposed on a first surface of the reflection plate, first and second radiation elements extending perpendicular to the feed section or inclined towards the reflection plate, and first and second base plates configured to support the balanced parallel strip feed sections. Here, the first and second base plates are capacitively coupled to the reflection plate.

Abstract: A MIMO antenna includes first and second radiating elements and a conductive neutralization line. Each of the first and second radiating elements includes a straight portion connected to a serpentine portion. The straight and serpentine portions are configured to resonate in at least two spaced apart RF frequency ranges in response to the straight portion being electrically excited through a RF feed. The conductive neutralization line conducts resonant currents between the first and second radiating elements and has a conductive length that is configured to phase shift the conducted resonant currents to cause at least partial cancellation of currents in the first and second radiating elements which are generated by wireless RF signals received by the first and second radiating elements from each other.

Abstract: An antenna which is laid out efficiently while ensuring a predetermined antenna directivity. An antenna area is formed on a corner of a substrate. An antenna conductor is formed in the antenna area, and is shaped so that a bend is formed between its ground end and its open end. A first ground area is formed on the substrate near the ground end of the antenna conductor, and is connected to the ground end. A second ground area is formed on the substrate near the open end of the antenna conductor. A feed unit feeds electricity to the antenna conductor.

Abstract: A broadband dual polarization antenna comprises a first metal reflective plane, for reflecting radio signals, to enhance the gain of the broadband dual polarization antenna; a first radiation portion, disposed on the first metal reflective plane with a first gap to the first metal reflective plane; a second radiation portion, disposed on the first radiation portion with a second gap to the first radiation portion; and a supporting element, for supporting and isolating the first metal reflective plane, the first radiation portion and the second radiation portion.

Abstract: Disclosure is related to an omnidirectional antenna. Structurally the antenna includes multiple antenna units which are oppositely disposed around the edges of a grounded substrate. The antenna is able to handle at least two bands of electromagnetic signals. The body of each antenna unit includes a radiating member which is extended from an inverse-F portion type structure at the upper half of the body. A downward-protrudent feeding member is formed at the middle portion of the radiating member. A connecting member electrically connected to the substrate is formed at the lower half of the body, and associated with the radiating member. At least two upward-protrudent grounding members are formed onto the connecting member. The grounding members are jointly grounded with the substrate. It is noted that the feeding member is extended in the midst of the two grounding members. The opposite antenna units are mutually served be reflectors.

Abstract: A device for transmitting radio waves comprises an item of transmitting equipment for a telecommunications antenna, a membrane for thermally protecting the reflector, and means for attaching the thermal protection membrane to the item of equipment. The thermal protection membrane is furnished with a plurality of elastic tensioners designed to keep the thermal protection membrane stretched between a first active face of the item of transmitting equipment and space, irrespective of the thermal expansions of the membrane. The item of transmitting equipment occurs in a predetermined temperature range when the attachment means attach the membrane to the item of transmitting equipment.

Abstract: An antenna comprising a first dual delta loop element including a first and a second electromagnetic wave (EM) radiating loop element formed along one axis, where the first and second electromagnetic wave loop elements can be implemented in a delta loop configuration, connected in parallel, and fed in phase. A second dual delta loop element can include a third and a fourth EM radiating loop element formed along an orthogonal axis in the same plane as the first loop. The third and fourth EM loop elements can be implemented in a delta loop configuration, connected in parallel, and fed in phase, where the first dual delta loop element and said second dual delta loop element are disposed in the same plane, having superimposed centers of mass, orthogonal to one another, with related symmetry axis being at ninety degree angle with respect to one another.

Abstract: A feed element is configured to include a first antenna element having a first width, a dual-band forming inductor, and a second antenna element having a second width wider than the first width, where the first antenna element, the dual-band forming inductor, and a second antenna element are connected in series. The inductor is formed in a meander shape which has a trapezoidal envelope external shape to have a width formed to widen from the first width of a portion connected to the first antenna element toward a portion connected to the second antenna element. Cut portions each having a rectangular shape are further formed at corner portions of another ends of the parasitic elements, respectively.

Abstract: A satellite antenna adapter comprising a bottom plate comprising a top surface and a bottom surface, a reflector mounting plate coupled to the bottom plate. The bottom surface of the bottom plate is constructed to removably couple to a tripod. The top surface of the bottom plate is constructed to removably couple to a satellite antenna feed. The reflector mounting plate is constructed to removably couple to a satellite reflector and is substantially perpendicular to the top surface of the bottom plate.

Abstract: A microwave system comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus directed towards the radiator. The circuit board is physically integrated within the feed mechanism of the center fed parabolic reflector and the radio transceiver is configured to provide OSI layer support.

Abstract: A mobile wireless terminal includes a housing, a cover removably attached to the housing, and an antenna device disposed inside the housing. The antenna device includes a first antenna element that is disposed inside the housing and serves as a feed element, a plate that provides a ground plane for the first antenna element, and a second antenna element that is formed on one surface of the cover so as to face the first antenna element with the cover being attached to the housing and capacitively couple to the first antenna element and that serves as a parasitic element.

Abstract: A fringe-effect vault antenna includes a communications vault having a non-conductive cover disposed substantially at ground level. An antenna element is positioned in the communications vault. A metallic reflector has an edge, positioned substantially parallel to the ground, where the metallic reflector and the edge are configured to cause an edge diffraction, or “fringe-effect” upon the RF fields of the antenna to cause those RF fields to diffract in a direction toward the ground.

Abstract: An antenna module is provided for transmitting a wireless signal. The antenna module includes a reflective superstrate, an antenna substrate, a feed conductor, a ground layer and a reflective pattern. The reflective superstrate includes a third surface and a fourth surface, wherein the third surface is opposite to the fourth surface. The antenna substrate includes a first surface and a second surface, wherein the first surface is opposite to the second surface. A feed conductor is disposed on the first surface. The ground layer is disposed on the second surface. The reflective pattern is formed on the third surface and faces the feed conductor, wherein a reflection gap d is formed between the reflective pattern and the ground layer, and the wireless signal has a wavelength ?, and the reflection gap d is between ?/20 and ?/80.

Abstract: An antenna array (1000) includes a horizontal ground layer (40) having a central hole (401), a radiation layer parallel to the ground layer, and a coaxial cable (5) assembled to the ground layer. The cable includes a central conductor (51), an insulated layer (53) coated on the central conductor, and a grounding coat (52) coated on the insulated layer. The central conductor extends through the central hole from a bottom side of the ground layer and keeping insulated from the ground layer. The radiation layer includes a number of radiation units (30) which are coplanar with each other and parallel to the ground layer. Each radiation unit has a nail (301) extending downwardly towards the ground layer. The nail resonates with the central conductor when the antenna array is transmitting or receiving radio frequency signals.

Abstract: A rotational antenna includes a stationary feed which is disposed in a substantially vertical orientation. A parabolic dish is rotationally mounted about the stationary feed in a state of being tipped with respect to the stationary, substantially vertically oriented feed. The rotational parabolic antenna may alternatively be provided with a rotating radio frequency (RF) and acoustic feed. Other embodiments are disclosed.

Abstract: A behind-the-ear wireless device includes a main body casing including a wireless circuit housed therein and an audio transmission unit having a function of transmitting sound to an ear. The main body casing and the audio transmission unit are integrally connected to each other, whereby the wireless device can be fitted to the ear. An antenna element having a length of about half wave length is disposed in a hollow of the sound tube. A parasitic element having a length of about a half wave length is disposed in the main body casing.

Abstract: The present invention provides a substrate-embedded antenna and an antenna array constituted by said antennas. An antenna of the present invention comprises a plurality of substrates, a metal fill and a feed line. Each of the substrates has at least one through-hole. The metal fill is placed within each through-hole, and each metal fill placed therein connects one another to form a columnar metal conductor which acts as a radiating body of the antenna. The feed line is electrically coupled to the metal conductor to input and output electrical signals. A plurality of said antennas may constitute an antenna array.

Abstract: One or more input signals are used to generate a Pseudo noise generator and re-inject the signal to obtain a more efficient method of control of a receiver using adaptive antenna array technology. The antenna array automatically adjusts its direction to the optimum using information obtained from the input signal by the receiving antenna elements. The input signals may be stored in memory for retrieval, comparison and then used to optimize reception. The difference between the outputs of the memorized signals and the reference signal is used as an error signal.

Abstract: A microwave motion sensor including a patch antenna having a plurality of microwave radiating elements for transmitting and receiving a microwave signal where each microwave radiating element is of the antenna in an array configuration. A reflector is disposed above the antenna for downward shaping the radiating signal, where the microwave radiating elements together with the reflector provide a radiation pattern where a main beam is transmitted in a direction orthogonal to a surface of said antenna and a sided lobe transmitted downward in amplitude below the microwave motion sensor.

Abstract: The subject disclosure relates to solar energy collection and use in communications systems and to enhancements thereof. In an aspect, dual function antennas are disclosed that can simultaneously function as an antenna and as a solar energy collection system. In further aspects, disclosed embodiments can focus incident solar radiation to increase output voltage of conventional solar cells. Measured and simulated results demonstrate various aspects of the subject disclosure.

Abstract: This multi-antenna apparatus includes a first antenna element and a second antenna element, and an ungrounded passive antenna element arranged between the first antenna element and the second antenna element, wherein the passive antenna element has a first opposing portion opposed to the first antenna element, a second opposing portion opposed to the second antenna element and a coupling portion coupling the first opposing portion and the second opposing portion with each other.