Class / Patent application number | Description | Number of patent applications / Date published |
343837000 | Plural reflectors | 23 |
20100013729 | CHOKE REFLECTOR ANTENNA - An antenna comprising a network of arrayed radiating elements, a first reflective means comprising a flat central part upon which are disposed the radiating elements and longitudinally folded edges on either side of the array of elements, and at least one second reflective means which is a choke reflector disposed outside of the space separating the radiating elements of the reflector's folded edge. The second reflective means is separated from the first reflective means by a layer of dielectric material in order to connect it to the first reflective means by way of capacitive coupling | 01-21-2010 |
20100171677 | SATELLITE TRANSMISSION ANTENNA AND SATELLITE-BASED MOBILE TELECOMMUNIOCATION STATION - A satellite antenna for transmitting and receiving an electromagnetic signal has at least one parabolic reflector, a source arm, and a high-power amplifier, in which antenna the high-power amplifier includes a traveling wave tube on the source arm and a high-voltage power supply off the source arm and adapted to supply power to the tube. A satellite mobile telecommunications station includes such a satellite antenna and a storage structure into which the antenna is folded and in which the high-voltage power supply sits. | 07-08-2010 |
20100265150 | Antenna Assembly - An antenna assembly and a method of mounting such an assembly are disclosed. A first and a second assembly portion are joined together, wherein the assembly portions each comprise a elongated reflector body serving as a reflector for electromagnetic power radiated by the antenna assembly portion, and a set of antenna element receiving means located in a linear row along a longitudinal direction of the reflector body for respectively receiving an antenna element, and side portions along the long sides of the said reflector body. The assembly method comprises the step of fastening the first and second assembly portions to each other along a respective side portion of the said assembly portions so as to form a dual array antenna assembly. | 10-21-2010 |
20100302120 | Low Loss Variable Phase Reflect Array Using Dual Resonance Phase-Shifting Element - There is disclosed a reflect array including a dielectric substrate having a first surface and a second surface. The first surface may support an array of phase-shifting elements. The second surface may support a conductive layer. At least some of the phase-shifting elements may be dual resonance phase-shifting elements. | 12-02-2010 |
20100321270 | High Gain Multiple Planar Reflector Ultra-Wide Band (UWB) Antenna Structure - Multiple out-of-plane planar reflectors can be used to build a receive/transmit high-gain directional antenna. The driver portion and the first reflector of the antenna are formed within a metal layer of a PWB. A plurality of sets of reflector plates can be placed on the PWB, on a non-conductive low-dielectric constant material coating both opposing planar surfaces of the PWB, or on the opposing sidewalls of the product housing unit. The metal layer in the PWB is placed between the reflector plates. The plates can have either a parallel or non-parallel orientation to each another. This greatly increase the received power and thus increases the operating range of a low-power UWB system, as well as significantly improves wireless data transmission throughput. This antenna is applicable for USB communications systems. | 12-23-2010 |
20110095955 | FRACTAL ANTENNAS AND FRACTAL RESONATORS - An antenna includes at least one element whose physical shape is at least partially defined as a second or higher iteration deterministic fractal. The resultant fractal antenna does not rely upon an opening angle for performance, and may be fabricated as a dipole, a vertical, or a quad, among other configurations. The number of resonant frequencies for the fractal antenna increases with iteration number N and more such frequencies are present than in a prior art Euclidean antenna. Further, the resonant frequencies can include non-harmonically related frequencies. At the high frequencies associated with wireless and cellular telephone communications, a second or third iteration, preferably Minkowski fractal antenna is implemented on a printed circuit board that is small enough to fit within the telephone housing. | 04-28-2011 |
20110234467 | PLANAR BI-DIRECTIONAL RADIATION ANTENNA - A planar bi-directional radiation antenna including a substrate, a first reflecting element, an antenna body, a second reflecting element and a third reflecting element is provided. The first reflecting element is concaved inwards to form a first notch in a first surface. The antenna body is located inside the first notch, and is symmetrical to a predetermined direction with the first reflecting element. The second reflecting element is concaved inwards to form a second notch in a second surface. The configuration of the first notch and the second notch is correspondingly disposed along a vertical projection plane with respect to the substrate. The third reflecting element is opposite to the antenna body along the predetermined direction, and covers an opening of the first notch, so that the antenna generates two beams, wherein the two beams have an angle relative to the substrate, so as to achieve a bi-directional radiation effect. | 09-29-2011 |
20110309991 | HIGH EFFICIENCY ANTENNA HAVING COMPACT DIMENSIONS, PARTICULARLY FOR INSTALLATION ON A VEHICLE, SUCH AS AN AIRCRAFT OR A HIGH VELOCITY TRAIN OR A MOTOR VEHICLE - This invention is related to a high efficiency antenna having compact dimensions, particularly for installation on a vehicle, such as an aircraft or a high velocity train or a motor vehicle, comprising a main circular reflector, an illuminator or feed, centrally mounted with respect to said main reflector, and a sub-reflector, mounted on said illuminator by means of a positioning support member, said antenna being installed upon a positioning member adapted to carry out azimuth and elevation polarisation movements. | 12-22-2011 |
20120075156 | VARIABLE DIRECTIONAL ANTENNA DEVICE - 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. | 03-29-2012 |
20120235874 | DEPLOYABLE REFLECTARRAY ANTENNA - A deployable reflectarray antenna includes a plurality of reflectarray antenna panels each having one edge connected to be folded and unfolded. Each reflectarray antenna panel includes a membrane having reflecting elements and a support frame. The support frame includes outer frames surrounding edges of the membrane, and a plurality of reinforcing members disposed in a vertical direction between the outer frames in a length direction. | 09-20-2012 |
20140191919 | Broadband Dual Polarization Antenna - 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. | 07-10-2014 |
20140218255 | DUAL RECEIVER/TRANSMITTER RADIO DEVICES WITH CHOKE - Wireless radio apparatuses for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals having dual receivers and transmitters. Radio devices and systems may include a pair of reflectors separated by an isolation choke boundary. The device may be configured to operate in any appropriate band (e.g., a 5 GHz band, a 24 GHz band, etc.) and may simultaneously transmit and receive with minimal crosstalk. The isolation choke boundary may have ridges that extend between the first and second parabolic reflectors to a height that may be tuned to the band. The isolation choke boundary provides greater than 10 dB isolation between the first and the second parabolic reflectors may be in a fixed configuration relative to each other so that they are aligned to send/receive in parallel. The two reflectors may be formed of a single housing, with fixed parallel alignment. | 08-07-2014 |
20140218256 | ANTENNA DEVICE - An antenna device includes a reflector which forms an offset antenna with a portion of a rotational paraboloid being cut out, and a primary radiator which radiates a beam having an elliptical cone shape to an aperture plane of the reflector. A reflector contour of the aperture plane of the reflector is formed in an elliptical shape along an isolux line of an elliptical beam radiated from the primary radiator. Accordingly, a loss due to spillover of the reflector is compensated for in a space in which the reflector contour of the present embodiment protrudes from a general reflector contour having a virtual elliptical shape formed to be perpendicular to an axis of a beam incident on an aperture plane of the reflector. In a space in which the general reflector contour protrudes from the reflector contour of the present embodiment, degradation of illuminance efficiency of the reflector is compensated. | 08-07-2014 |
20140266955 | SYSTEMS AND METHODS FOR RECONFIGURABLE FACETED REFLECTOR ANTENNAS - Systems and methods are disclosed herein for a reconfigurable faceted reflector for producing a plurality of antenna patterns. The reconfigurable reflector includes a backing structure, a plurality of adjusting mechanisms mounted to the backing structure, and a plurality of reflector facets. Each of the plurality of reflector facets is coupled to a respective one of the plurality of adjusting mechanisms for adjusting the position of the reflector facet with which it is coupled. The reflector facets are arranged to produce a first antenna pattern of the plurality of antenna patterns. By adjusting the plurality of adjusting mechanisms, the position of each of the reflector facets coupled to the respective one of the plurality of adjusting mechanisms is adjusted so that the reflector facets are arranged to produce a second antenna pattern of the plurality of antenna patterns. | 09-18-2014 |
20140266956 | WIDE ANGLE PLANAR ANTENNA ASSEMBLY - 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. | 09-18-2014 |
20140285391 | LOW-BAND REFLECTOR FOR DUAL BAND DIRECTIONAL ANTENNA - A dual band directional antenna with low frequency band reflectors that form desired antenna patterns in a low frequency band while remaining transparent to a higher frequency band. As a result of such frequency transparency, pattern changes in the lower frequency bands do not affect patterns in the higher band frequencies. | 09-25-2014 |
20140368397 | ANTENNA DEVICE - 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. | 12-18-2014 |
20150077304 | Low Profile High Efficiency Multi-Band Reflector Antennas - An antenna comprising a reflector have a center-fed shaped axially displaced elliptical (ADE) configuration with either an elliptical aperture or a truncated elliptical aperture is described. | 03-19-2015 |
20150130677 | UHF-RFID ANTENNA FOR POINT OF SALES APPLICATION - A UHF-RFID antenna having a central segmented loop surrounded by passive dipole structures provides shaping of the electric and magnetic fields to reduce the number of false positive reads by a UHF-RFID reader at a point of sale. | 05-14-2015 |
20150295298 | Dielectric Waveguide Integrated Into a Flexible Substrate - A digital system has a dielectric core waveguide that is formed within a multilayer substrate. The dielectric waveguide has a longitudinal dielectric core member formed in the core layer having two adjacent longitudinal sides each separated from the core layer by a corresponding slot portion formed in the core layer The dielectric core member has the first dielectric constant value. A cladding surrounds the dielectric core member formed by a top layer and the bottom layer infilling the slot portions of the core layer. The cladding has a dielectric constant value that is lower than the first dielectric constant value. | 10-15-2015 |
20150349429 | DUAL REFLECTOR ANTENNA WITH HYBRID SUBREFLECTOR - The present invention relates to a dual reflector antenna with a hybrid subreflector, and more particularly, to a dual reflector antenna with a subreflector having a structure in which an ellipse and a hyperbola are combined. An exemplary embodiment of the present invention provides a dual reflector antenna including: a main reflector; and a hybrid subreflector which faces the main reflector and has a first structure and a second structure which are combined therein. | 12-03-2015 |
20160181701 | ANTENNA HAVING A REFLECTOR FOR IMPROVED EFFICIENCY, GAIN, AND DIRECTIVITY | 06-23-2016 |
20160197394 | Deployable Reflectarray Antenna Structure | 07-07-2016 |