Abstract: An antenna assembly includes a ground plane and an element coupled to the ground plane. The element has a center point, a first element portion extending away from the center point on a first side of the center point for a first distance in a first direction, bending at a first approximately 180 degree bend, extending towards the center point for a second distance in a second direction, bending at a second approximately 180 degree bend, and extending away from the center point for a third distance in the first direction. The element also has a second element portion provided on a second side of the center point opposite the first element portion on the first side of the center point, the second element portion being substantially a mirror image of the first element portion.

Abstract: A new type of multihole antenna which is mainly suitable for mobile communications or in general to any other application where the integration of telecom systems or applications in a single antenna is important. The antenna includes a radiating element which at least includes one hole. By means of this configuration, the antenna provides a broadband and multiband performance, and hence it features a similar behaviour through different frequency bands. Also, the antenna features a smaller size with respect to other prior art antennas operating at the same frequency.

Abstract: The present invention provides a contactless communication circuit having both a contactless communication card function and a contactless communication reader/writer function, which includes a capacitor section that forms a parallel-resonant circuit with a contactless communication antenna; and a capacitance switching section that makes a capacitance of the capacitor section effective in a mode of the contactless communication card function, and reduces the capacitance of the capacitor section in a mode of the contactless communication reader/writer function.

Abstract: The present invention relates to a device for adjusting the beam direction of a beam radiated from a stationary array of antenna elements. Antenna element feed points are coupled to a common source via a feed line structure having a source connection and feed connection terminals to be connected to the antenna element feed points, the feed line structure being at a distance from and in parallel to a fixed ground plane. A movable element is located adjacent to the feed line structure to change the signal phase of signal components being transferred between the source connection and the respective feed connection terminals. The movable element is movable for effecting a phase shift of the signal components to adjust the beam direction. The device is provided with a detection arrangement for detecting the absolute position of the movable element.

Abstract: Disclosed herein is a fractal antenna for a vehicle. First and second radiation elements are downwardly inclined from an apex ridge, and disposed opposite each other on the left and right sides inside a radome for protecting the antenna. First and second parasitic elements are formed in an inner space which is formed by the first and second radiation elements. Further, the first and second parasitic elements are disposed to be parallel to and spaced apart from the respective first and second radiation elements at regular intervals, are downwardly inclined from an apex ridge, and are disposed opposite each other on the left and right sides. The first and second radiation elements are respectively formed on part of the upper surface of a first substrate and part of the upper surface of a second substrate in patterns each having a predetermined shape.

Abstract: An antenna device for a portable radio communication device operable in at least a first and a second frequency band, includes first and second electrically conductive planar radiating elements. The first radiating element has a feeding portion connectable to a feed device of the portable radio communication device. The second radiating element includes a grounding portion connectable to ground. A controllable switch is arranged between the first and second radiating elements for selectively interconnecting and disconnecting the radiating elements. The state of the switch is controlled by means of a control voltage input. A first filter is arranged between the feeding portion and the control voltage input, to block radio frequency signals. By providing a high pass filter between the first and second radiating elements above a ground plane, quad-band operation is provided with high efficiency in a physically small antenna device.

Abstract: A dual function composite system includes a first electronic subsystem, a second electronic subsystem, and a composite member between the first and second electronic subsystems. The composite member includes plies of fabric, and resin impregnating the plies of fabric. At least one ply of the fabric includes signal transmission elements integrated therewith and interconnecting the first electronic subsystem with the second electronic subsystem.

Abstract: A radar apparatus including: a radar antenna array; and, a sensor for detecting a relative distortion of at least one portion of the radar antenna relative to at least one other portion of the radar antenna array.

Abstract: A horizontally polarized antenna array allows for the efficient distribution of RF energy into a communications environment through selectable antenna elements and redirectors that create a particular radiation pattern such as a substantially omnidirectional radiation pattern. In conjunction with a vertically polarized array, a particular high-gain wireless environment may be created such that one environment does not interfere with other nearby wireless environments and avoids interference created by those other environments. Lower gain patterns may also be created by using particular configurations of a horizontal and/or vertical antenna array. In a preferred embodiment, the antenna systems disclosed herein are utilized in a multiple-input, multiple-output (MIMO) wireless environment.

Abstract: An antenna is formed with a self-supporting structure (1), a dielectric structure (2), and a conducting structure (3), each structure being formed from at least one structural element (10; 21, 22; 31-34). The structural elements of the different structures (1, 2, 3) constitute a stack in which these elements (10; 21, 22; 31-34) are connected to each other, and the dielectric structure (2) is formed in the stack by nano-imprinting.

Abstract: A wireless device includes a ground plane with at least two portions. On each of the at least two portions at least one connecting means is provided. The two connecting means are connected with an electric component for connecting the at least two portions of the ground plane. The ground plane is partially covered with an insulating material and the connecting means are given by a part of the ground plane which is not covered by any insulating material.

Abstract: A circuit board for wireless communications includes communication circuitry for modulating and/or demodulating a radio frequency (RF) signal and an antenna apparatus for transmitting and receiving the RF signal, the antenna apparatus having selectable antenna elements located near one or more peripheries of the circuit board. A first antenna element produces a first directional radiation pattern; a second antenna element produces a second directional radiation pattern offset from the first radiation pattern. The antenna elements may include one or more reflectors configured to provide gain and broaden the frequency response of the antenna element. A switching network couples one or more of the selectable elements to the communication circuitry and provides impedance matching regardless of which or how many of the antenna elements are selected.

Abstract: A method and apparatus for stacked waveguide horns using dual polarity feeds oriented in quadrature have been disclosed.

Abstract: Methods and systems for reducing AM/PM and AM/AM distortion are disclosed and may comprise selectively coupling and impedance matching one of a plurality of tunable antennas to a single programmable output stage comprising a single power amplifier on a chip in a transmitter. A programmable matching circuit comprising adjustable inductance and capacitance may be used to impedance match the antenna to the output stage. The selected tunable antenna may be coupled to the output stage utilizing a programmable switch array, which may comprise at least one integrated transistor, for example. The tunable antennas may be designed to operate in different frequency bands and to be tuned within one or more frequency bands. The programmable matching circuit may be integrated on the chip or external to the chip. The matching circuit capacitance may be integrated on-chip, and the inductance may be located off-chip.

Abstract: Advanced RF therapeutic antenna probes, their systems and usage methods are disclosed. The therapeutic antenna probe comprising an RF power transmitting cable by which a dipole antenna assembly is formed and a sheath that includes the dipole antenna assembly therein. The RF power transmitting means comprises at least a central conductor, a cylindrical dielectric insulator formed around the central conductor and an outer conductor all of which are formed to be the dipole antenna assembly. A dipole antenna which is a member of the dipole antenna assembly is composed of the first and second electrodes which are formed by a part and another part of the outer conductor, respectively, and electrically connected to the one central conductor and an isolating means which is formed between the first and the second electrodes. The sheath is made of a hard material for at least a head element having a sharp edge.

Abstract: The present invention relates to management of information relating to medical fluids, containers therefore, and medical fluid administration devices for administering such medical fluids to patients. Data tags (e.g., RFID tags) are generally associated with containers of the invention and may be electromagnetically read from and/or written to using an electromagnetic device, for example, that may be associated with a medical fluid administration device of the invention.

Abstract: An example apparatus comprises an electromagnetic source, such as an antenna, a metamaterial lens, and a reflector. The antenna is located proximate the metamaterial lens, for example supported by the metamaterial lens, and the antenna is operable to generate radiation when the antenna is energized. The reflector is positioned so as to reflect the radiation through the metamaterial lens. The reflector may have a generally concave reflective surface, for example having a parabolic or spherical cross-section. The metamaterial lens may have an area similar to that of the aperture of the reflector. In some examples, the antenna is located proximate a focal point of the reflector, so that a generally parallel beam is obtained after reflection from the reflector.

Abstract: A mounting device for an antenna device and its method for mounting, and removing the antenna utilizes a dock unit and a base unit. In addition to providing a mounting mechanism, the capture or mounting of the device incorporates a storage feature for the antenna cable to make it transportable. The apparatus provides a means for connecting an antenna to a housing, storing a cable in the housing, and capturing the housing to a docking mechanism while allowing for easy removal of the antenna, and cable storage feature.

Abstract: A plurality of antennas are arranged on the fringe of a monitor supported by a device body such that the antennas are located in a floating manner from a display surface and the central axis of these directional patterns is disposed in a vertical direction to the display surface; these antennas are enclosed within the outer frame; and further electroconductive members reflecting electric waves are located away from the antennas, to thus establish a virtual GND plane to be formed on the rear of an antenna.

Abstract: A phased array antenna apparatus has a plurality of circuit portions which are each coupled to a respective antenna element. Capillary pressure of a cooling fluid within a wick in a loop is utilized to urge the fluid to travel around the loop, the wick being disposed in the region of the circuitry. In a variation, there are plural wicks in respective evaporators, and cooling fluid is distributed among the evaporators through a series of T-junctions. In another variation, cooling fluid is distributed to a plurality of evaporators in a sequence corresponding to a progressive increase in the respective amounts of heat accepted by the evaporators from structure being cooled.