| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 342374000 | With a switch | 72 |
| 20080252523 | Antenna apparatus capable of directivity control - The antenna apparatus includes first to fourth antenna elements successively arranged at regular angular intervals around the central point on the same plane and respectively having first to fourth feed points, and a phase shifter delaying the phase of the received electric wave approximately by 90 degrees. The unidirectivity of the antenna apparatus is controlled in four directions of 0 degree, 90 degrees, 180 degrees and 270 degrees by selectively connecting the first to fourth feed points, the phase shifter and a television receiver. Therefore, multipath interference in these directions can be suppressed. | 10-16-2008 |
| 20080258972 | Antenna System - Disclosed is an antenna system, including: an antenna which can switch directivity thereof when receiving an analog television broadcasting signal; a switching section to switch the directivity of the antenna; a measurement section to measure radio wave quality of the analog television broadcasting signal received by the antenna by analyzing the analog television broadcasting signal when the directivity of the antenna is switched by the switching section; a storage section to store data of radio wave quality in different directions measured by the measurement section for each channel; and a control section to control the switching section to switch the directivity of the antenna to one direction having a highest radio wave quality among the different directions corresponding to a desired channel when the desired channel is designated. | 10-23-2008 |
| 20080272962 | WIRELESS AREA NETWORK COMPLIANT SYSTEM AND METHOD USING A PHASE ARRAY ANTENNA - A wireless area network communication system comprising at least one phased array antenna frame, a phased array antenna circuit connected to the at least one phased array antenna frame wherein said phased array circuit and said at least one phased array antenna frame are adapted to transmit and receive wireless area network compliant signals from or to wireless area network devices. | 11-06-2008 |
| 20080291088 | Radar Apparatus - An array antenna includes a first end portion that has a first plurality of antennas arranged with a spacing d therebetween and a second end portion that has a second plurality of antennas arranged with the spacing d therebetween. In the array antenna, a spacing between respective antennas in both the first and second end portions and are closest to a central portion is set to 2d, which is a value obtained from multiplying 2, which is the number of the antennas constituting each of both end portions, by the spacing d for both end portions. The antennas in the antenna array are continuously selected as a transmitting antenna by switching, and continuously emit transmission signals. The antennas in the antenna array are also successively selected as a receiving antenna by switching. In this way, by switching between transmission and reception of the antennas of the antenna array, nine reception channels CH | 11-27-2008 |
| 20080316100 | Method and Apparatus For Antenna Diversity Selection - Signal reception apparatus comprising at least two antennas, receiver means having a first mode of operation for assessing the quality of received signals and a second mode of operation for processing received signals for identifying data carried therein, at least two signal paths connectable between the antennas and the receiver means and each capable of demodulating signals received by the antennas and switch means connected between the antennas and the signal paths, the apparatus having an assessment mode of operation in which each antenna is connected by the switch means to the receiver means via a single respective one of the signal paths and in which the receiver means operates in its first mode of operation to assess the quality of received signals from each antenna, and a normal mode of operation in which a single antenna is connected by the switch means to the receiver means via all of the signal paths and in which the receiver means operates in its second mode of operation for processing received signals for identifying data carried therein. | 12-25-2008 |
| 20080316101 | High power phased array antenna system and method with low power switching - A module having a first coupler for directing power from a source to first and second paths; a first amplifier disposed in the first path; a second amplifier disposed in the second path; and a second coupler for combining the outputs of the first and second amplifiers. In a more specific implementation, the module further includes a switch connected to the first coupler. The switch is a single-pole double throw switch. Each coupler is a 90-degree coupler that provides the combined energy output by each amplifier to a first or a second output port based on the position of the switch. The first coupler has first and second inputs, each input connected to a throw of the switch. The inclusion of a variable phase shifter allows for the module to be used to drive an element of a phased array antenna. For high power applications, multiple such inventive modules may be used to drive the elements of one or more phased arrays, pointed in different directions, to provide a desired coverage pattern. In this application, each module is adapted to switch energy at low power levels to drive one or more apertures at high power levels. The modules can also be configured as receive only or with circulators as transmit/receive modules. The inventive method provides a technique for switching power at high levels to and from phase array and other antennas and a technique for providing area coverage using multiple phase array antenna arrangements. | 12-25-2008 |
| 20090009392 | SHARED PHASED ARRAY CLUSTER BEAMFORMER - A shared beamformer flexibly allocates beams among clusters of beams produced by phased array antenna apertures that are deployed on a satellite (or other type of platform). By sharing the beamformer among the beam clusters, if one beam cluster is not providing useful coverage, the beams may be reallocated to one or more other beam clusters that are providing useful coverage. To share the beamformer among the beam clusters, a selector network is used to select which particular beam cluster (or clusters) is used for producing one or more narrow beams that are constrained to the coverage area of the beam cluster (or clusters). | 01-08-2009 |
| 20090015476 | VARIABLE DIRECTIVITY ANTENNA APARATUS - A variable directivity antenna apparatus ( | 01-15-2009 |
| 20090015477 | TRANSMITTING DEVICE - The number of driving circuits in signal transmission using plural antennas can be reduced. When a first antenna is driven, a CPU makes an LF driving circuit to output driving current, and sets a first switch to ON while setting a second switch and a third switch to OFF. By setting the first switch to ON, a connector terminal and GND are connected. Therefore, a closed circuit containing the LF driving circuit and the first antenna is constructed, and the first antenna is driven, whereby the signal of LF waves is output. The second switch and the third switch are set to OFF, so that a closed circuit containing the LF driving circuit and a second antenna is not constructed, and also a closed circuit containing a third antenna is not constructed. The second antenna and the third antenna are not driven. | 01-15-2009 |
| 20090021429 | LOW COST SHORT RANGE RADAR - A low cost radar system that employs monopulse beamforming to detect objects in the road-way both in elevation and azimuth. In one non-limiting embodiment, a beamforming receiver architecture includes a first beamforming device and a plurality of antennas coupled to the first beamforming device, and a second beamforming device and a plurality of antennas coupled to the second beamforming device. The first and second beamforming devices are oriented 90° relative to each other so that the receive beams provided by the first beamforming device detect objects in azimuth and the receive beams provided by the second beamforming device detect objects in elevation. A first switch is provided to selectively couple the sum pattern signal from the first and second beamforming devices to one output line, and a second switch is provided to selectively couple the difference pattern signals from the first and second beamforming devices to another output line. | 01-22-2009 |
| 20090033556 | SYNTHETIC APERTURE PERIMETER ARRAY RADAR - A perimeter antenna array for a radar, in particular a slope monitoring radar, formed from a pair of parallel linear arrays of receiver elements and a pair of parallel linear arrays of receiver elements, together forming a rectangle of receiver and transmitter elements. Signals are switched to the transmitter elements and received by the receiving elements. The signals are processed to obtain signals for virtual elements located equidistant between transmitting and receiving elements. The signals from the virtual elements are analysed to produce a radar image. | 02-05-2009 |
| 20090096673 | Printed wiring board and antenna unit - A printed wiring board is provided with a multidirectional antenna having plural directivities, and an antenna control circuit for selectively setting the multidirectional antenna for one of the directivities. The antenna control circuit is formed in a predetermined area on the printed wiring board, the antenna includes plural flat antenna elements of a predetermined length, and the antenna elements are formed on one of the opposite surfaces of the printed wiring board so as to extend radially outward from the predetermined area and connected to the antenna control circuit. | 04-16-2009 |
| 20090109092 | Antenna apparatus - An antenna apparatus is disclosed. The antenna apparatus has a first antenna, a second antenna, and a third antenna which have different directivity directions each other and are switched for a desired directivity direction. The first antenna is disposed on a substrate which is in parallel therewith. The second antenna is disposed on one principal surface of the substrate which is nearly perpendicular thereto. The third antenna is disposed on the other principal surface of the substrate which is nearly perpendicular thereto. | 04-30-2009 |
| 20090189812 | SYSTEM AND METHOD FOR MULTI-STAGE ANTENNA TRAINING OF BEAMFORMING VECTORS - A system and method for multi-stage antenna training of beamforming vectors is disclosed. In one embodiment, the method comprises a method of acquiring a beamforming pattern in a wireless communication system, the method comprising receiving a first plurality of signals having different transceiver sector patterns, measuring first indicators of link quality corresponding to the first plurality of signals, selecting at least one transceiver sector pattern based on the first indicators of link quality, receiving a second plurality of signals having different transceiver beam patterns, each transceiver beam pattern associated with the selected at least one transceiver sector pattern, measuring second indicators of link quality corresponding to the second plurality of signals, and selecting at least one transceiver beam pattern based on the second measures of link quality. | 07-30-2009 |
| 20090207077 | SWITCHED BEAM-FORMING APPARATUS AND METHOD USING MULTI-BEAM COMBINING SCHEME - Provided is a switched beam-forming apparatus which includes a beam-forming unit forming a plurality of beams using an array antenna, a beam selection adjusting unit measuring Quality of Service (QoS) values of each of a plurality of signals received through the plurality of beams, a beam selecting unit selecting at least two beams with high QoS from among the plurality of beams according to the results of the QoS measuring, and a beam combining unit combining the at least two beams selected by the beam selecting unit. | 08-20-2009 |
| 20090278742 | Antenna Selection with Frequency-Hopped Sounding Reference Signals - The embodiments of the invention describe a method for antenna selection in a wireless communication network. The network includes a transceiver having a set of antennas. The transceiver is configured to transmit a frequency-hopped sounding reference signal (SRS) over a subband from a subset of antennas at a time. The transceiver transmits the frequency-hopped SRS from subsets of antennas in the set of antennas substantially alternately. In response to the transmitting, the transceiver receives information indicative of an optimal subset of antennas and transmits data from the optimal subset of antennas. | 11-12-2009 |
| 20100039324 | APPARATUS AND METHOD FOR PHASE FRONTS BASED ON SUPERLUMINAL POLARIZATION CURRENT - An apparatus and method for a radiation source involving phase fronts emanating from an accelerated, oscillating polarization current whose distribution pattern moves superluminally (that is, faster than light in vacuo). Theoretical predictions and experimental measurements using an existing prototype superluminal source show that the phase fronts from such a source can be made to be very complex. Consequently, it will be very difficult for an aircraft imaged by such a radiation to detect where this radiation has come from. Moreover, the complexity of the phase fronts makes it almost impossible for electronics on an aircraft to synthesize a rogue reflection. A simple directional antenna and timing system should, on the other hand, be sufficient for the radar operators to locate the aircraft, given knowledge of their own source's speed and modulation pattern. | 02-18-2010 |
| 20100052988 | Radio Frequency Positioning System and Method - A radio frequency (RF) positioning system for positioning an RF device on a surface is provided. The RF positioning system utilizes the property of the RF device generating a response signal upon receiving an RF signal to perform positioning. The RF positioning system includes an antenna set, a switch unit, an RF module and micro-controller unit (MCU). The antenna set has a plurality of antennas in different sizes. The RF module is coupled to the switch unit. The MCU, coupled to the switch unit and the RF module, controls the switch unit to select one antenna from the antenna set and controls the RF module to generate the RF signal. The MCU further estimates a distance between the RF device and the RF positioning system according to whether the RF positioning system receives the response signal through the selected antenna. | 03-04-2010 |
| 20100127932 | Method of calibrating an active antenna and active antenna - A method of calibrating an active antenna and an active antenna is disclosed, wherein the active antenna is designed to be used in a base transceiver station for mobile communication. Firstly, at least one receiver of the active antenna is correlated to a calibration signal. Secondly, a received phase pattern is analyzed. Then, the active antenna is adjusted until all receivers receive substantially in equiphase. Finally, a beam forming function and a phase pattern are applied as forward adjustment to the active antenna. | 05-27-2010 |
| 20100156722 | METHOD AND APPARATUS FOR CONTROLLING RADIATION DIRECTION OF SMALL SECTOR ANTENNA - Disclosed are an apparatus and method for controlling a radiation direction of a small sector antenna, used for a small wireless transmission device having limited power and calculation capabilities, capable of operating at a low power consumption with the necessity of simple calculation capabilities or without the necessity of even a few calculation capabilities. The apparatus for controlling a radiation direction of a small sector antenna includes a plurality of capacitance blocks including a plurality of capacitors each having one end commonly connected to corresponding parasitic elements and having a different capacitance. Capacitors having a capacitance corresponding to a radiation direction are selectively connected to corresponding parasitic elements through a plurality of switching units and a controller, thereby simplifying controlling and reducing power consumption for controlling the radiation direction. | 06-24-2010 |
| 20100182199 | APPARATUS AND SENSOR FOR ADJUSTING SENSOR VERTICAL ALIGNMENT - Provided are a sensor capable of adjusting vertical alignment and a sensor vertical alignment adjusting apparatus using the same. The sensor has a structure with a plurality of switchable transmitting and receiving antennas so as to be able to adjust the vertical alignment, or a structure with a tilting motor for adjusting a radiating or receiving angle. The sensor vertical alignment adjusting apparatus using such a sensor corrects vertical misalignment of the sensor by determining whether or not the vertical misalignment of the sensor occurs, variably switching one from among the plurality of transmitting or receiving antennas of the sensor or controlling the tilting motor, and adjusting the radiating angle of the sensor signal or the receiving angle of a reflected wave of the sensor signal. | 07-22-2010 |
| 20100214170 | ASYMMETRICALLY THINNED ACTIVE ARRAY TR MODULE AND ANTENNA ARCHITECTURE - An asymmetrically thinned transmit/receive (TR) module and antenna architecture is provided. In one embodiment, the invention relates to an active antenna assembly including at least one multi-channel transmit/receive (TR) module for reducing power consumption, the antenna assembly including the at least one TR module including a first phase shifter, a first switch coupled to the first phase shifter, the first switch configured to switch between a transmit circuit and a receive circuit, the transmit circuit including a plurality of first power amplifiers coupled to the first switch, the receive circuit including a low noise amplifier coupled to the first switch and to a plurality of second switches, where each of the plurality of second switches is configured to switch between one of the plurality of first power amplifiers and the low noise amplifier. | 08-26-2010 |
| 20100214171 | LOW COST MULTI-CHANNEL THINNED TR MODULE ARCHITECTURE - A low cost multi-channel thinned transmit/receive (TR) module architecture is provided. In one embodiment, the invention relates to an active antenna assembly including at least one multi-channel TR module for reducing power consumption, the antenna assembly including the at least one TR module including a first phase shifter, a first switch coupled to the first phase shifter, the first switch configured to switch between a transmit circuit and a receive circuit, the transmit circuit including a first power amplifier coupled to the first switch and to a plurality of second phase shifters, and a plurality of second power amplifiers, each second power amplifier coupled to one of the second phase shifters, the receive circuit including a low noise amplifier coupled to the first switch and to a plurality of third phase shifters, and a plurality of second switches, each second switch configured to switch between one of the second power amplifiers and one of the third phase shifters. | 08-26-2010 |
| 20100259447 | WIRELESS POWER TRANSMISSION SYSTEM AND METHOD - A wireless power transmission system including at least one source of electromagnetic radiation, a plurality of wireless power receivers that receive radiated electromagnetic energy, a beacon collocated with each wireless power receiver, wherein the beacon generates and radiates a pilot signal when the beacon is in an active state, and an array of transmitting antennas connected to the source of electromagnetic radiation that radiates the electromagnetic radiation in the direction of the beacon in the active state. The electromagnetic radiation can be electronically steered from one wireless power receiver to another by activating and deactivating the beacons collocated with each wireless power receiver. | 10-14-2010 |
| 20110001667 | Antenna Control Device, Reception Device, And Antenna Control Method - A reception device includes: a variable-directivity antenna; an antenna amplifier which amplifies a signal inputted from the variable-directivity antenna; a regulator which supplies DC power to the antenna amplifier; a full wave rectification unit which supplies the DC power to the regulator; a signal line; a DC power source; and a switching unit which switches connection with the DC power source. DC voltage is applied to the DC power source by the signal line so as to control the directivity of the variable-directivity antenna. Moreover, the DC power is supplied to the regulator via the full wave rectification unit. When the connection of the switching unit is switched, the DC voltage supplied to the variable-directivity antenna is reversed between positive and negative voltage but the DC voltage supplied to the regulator is not reversed. | 01-06-2011 |
| 20110032151 | Monostatic Multi-beam Radar Sensor, as Well as Method - A monostatic multi-beam radar sensor includes a group antenna and a mixer system made up of a plurality of transfer mixers connected to antenna elements of the group antenna. A first number of the transfer mixers is switched to isolation mode and a second number of the transfer mixers is switched to transfer mode in order to realize different directional characteristics for the transmit and receive operation. | 02-10-2011 |
| 20110140965 | BEAM-FORMING ANTENNA WITH AMPLITUDE-CONTROLLED ANTENNA ELEMENTS - A beam-forming antenna for transmission and/or reception of an electromagnetic signal having a given wavelength in a surrounding medium includes a transmission line electromagnetically coupled to an array of individually controllable antenna elements, each of which is oscillated by the signal with a controllable amplitude. The oscillation amplitude of each of the individual antenna elements is controlled by a switch. The antenna elements are arranged in various shapes such as a parabolic arc, a circular arc, a cylindrical surface or a conic surface. The antenna elements have various spacing such as uniform, parabolic, circular, or raised cosine. | 06-16-2011 |
| 20110205120 | Monopulse Beamformer for Electronically Switched Antennas - A method and system for monopulse beamforming for electronically switched antennas is presented. Inputs of selected antenna elements from a phased array antenna are summed into subsets of elements which are then combined into sum and delta beams. 2:1 switches in a shoelace arrangement allow the combination of signals from half of the selected aperture first at common phase and then at pi phase difference to from the sum and delta beams. The method allows for reduced weight, controls, and processing when compared to prior art. | 08-25-2011 |
| 20110260919 | Directional Antenna and Methods Thereof - A device includes, in one embodiment, first and second patch antennas. The first patch antenna is disposed at a dielectric substrate, and defines a first principle plane. The second patch antenna is disposed at the dielectric substrate, and defines a second principle plane, an orientation of the second principle plane being different from an orientation of the first principle plane. A switch is coupled to the first patch antenna and to the second patch antenna, the switch to select between operation of the first patch antenna and operation of the second patch antenna. | 10-27-2011 |
| 20120032849 | Multi-Orientation Phased Antenna Array and Associated Method - According to one embodiment, an antenna apparatus includes first and second antenna arrays configured in a support structure. Each antenna array has multiple antenna elements that transmit and/or receive electro-magnetic radiation. The elements of the first antenna array are oriented in a boresight direction that is different from the boresight direction in which the elements of the second antenna array are oriented. A plurality of switches alternatively couples the first antenna elements or the second antenna elements to a signal distribution circuit. | 02-09-2012 |
| 20120062422 | Smart Antenna System - The present invention discloses a smart antenna system for a portable device. The smart antenna system includes a plurality of directional antennas, disposed at a plurality of positions of the portable device, having a plurality of directional radiation patterns corresponding to a plurality of areas; wherein all of the plurality of directional radiation patterns substantially form an omni directional radiation pattern. | 03-15-2012 |
| 20120062423 | PORTABLE DEVICE WITH SMART ANTENNA - A portable device with smart antenna is disclosed, which includes an antenna array comprising a plurality of antennas, each antenna capable of receiving and/or transmitting signals, a phase and amplitude control unit coupled to the antenna array for controlling amplitude and phase of the plurality of the signals so as to dynamically control radiation pattern of the array antenna system, and a wireless network unit coupled to the phase and amplitude control unit for processing the signals. | 03-15-2012 |
| 20120062424 | ELECTRONIC DEVICE AND CONTROL METHOD THEREOF - An electronic device including a first antenna, a second antenna, a first sensor, a signal processing module and an antenna control module is provided. The first antenna has a function of transmitting a wireless signal and is disposed on a first side of the electronic device. The second antenna is disposed on a second side of the electronic device. The first sensor detects whether a first object is around the first antenna and generates a first sensing signal according to a detecting result. The signal processing module generates a first control signal according to the first sensing signal. The antenna control module switches the function of transmitting the wireless signal from the first antenna to the second antenna. | 03-15-2012 |
| 20120086603 | METHOD AND APPARATUS FOR ADJUSTING HORIZONTAL BEAM OF OMNI-DIRECTIONS ANTENNA - A horizontal beam adjusting method and apparatus for an omni-directional antenna are provided. The horizontal beam adjusting apparatus may generate a switch control signal according to an inclination of the omni-directional antenna, and adjust a radiation direction of the omni-directional antenna according to the switch control signal. Accordingly, the adjusted radiation direction may have horizontal omni-directionality with respect to a ground surface. | 04-12-2012 |
| 20120086604 | Compact Multi-Element Antenna With Phase Shift - A phased array antenna system includes a first radiation element that is made of a material and has a length selected to resonate at a desired frequency. A phase-shift element is coupled to one end of the first radiation element. A second radiation element is coupled to the end of the phase-shift element opposite the first radiation element, so that a radio signal passes through the first radiation element through the phase-shift element and through the second radiation element, the second radiation element is made of a material and has a length selected to resonate such that the first and second radiation elements cooperate to form a desired beam pattern from the antenna system. | 04-12-2012 |
| 20120162010 | REFLECTARRAY ANTENNA SYSTEM - The reflectarray includes a plurality of cells integrated in a PCB and externally illuminated by an input signal from a feeding source at a frequency f | 06-28-2012 |
| 20120194386 | CONICAL SWITCHED BEAM ANTENNA METHOD AND APPARATUS - A switched beam antenna system is provided. The antenna system includes a plurality of feed elements arranged radially about a center point. A feed switch provides equidistant signal paths between each antenna element and a transceiver. The production of an antenna beam in a desired direction is achieved by controlling a switch to selectively operate a feed element associated with a beam coverage area that encompasses the desired steering angle. | 08-02-2012 |
| 20120262337 | SINGLE-ANTENNA VEHICLE TRANSPONDER - Embodiments of the present invention relate to a vehicle transponder comprising an antenna and a power directing means, the power directing means having a first port, a second port and a third port. In various embodiments, the power directing means is arranged to direct power from the first port to the second port and/or the third port. The transponder further comprises a modulator, which comprises a first port, a second port and a third port, where the second port of the power directing means is connected to the first port of the modulator. | 10-18-2012 |
| 20120313819 | Active Antenna and Electronic Device - An active antenna with a wide bandwidth coverage is disclosed. The active antenna comprises a radiator, comprising at least two feeding points corresponding to two modes, a switch control circuit, for generating a switch control signal, and an active switch circuit, for switching to be coupled to one of the at least two feeding points. | 12-13-2012 |
| 20130063306 | Compact Multi-Element Antenna With Phase Shift - A phased array antenna system includes a first radiation element that is made of a material and has a length selected to resonate at a desired frequency. A phase-shift element is coupled to one end of the first radiation element. A second radiation element is coupled to the end of the phase-shift element opposite the first radiation element, so that a radio signal passes through the first radiation element through the phase-shift element and through the second radiation element, the second radiation element is made of a material and has a length selected to resonate such that the first and second radiation elements cooperate to form a desired beam pattern from the antenna system. | 03-14-2013 |
| 20130069826 | SWITCHED BEAM SMART ANTENNA APPARATUS AND RELATED WIRELESS COMMUNICATION CIRCUIT - A switched beam smart antenna apparatus is disclosed including: a first, a second, a third, a fourth, a fifth, a sixth, a seventh, and an eighth beam adjusting elements; a first, a second, a third, and a fourth beam control modules; a first, a second, a third, and a fourth radiation strips positioned within an area surrounded by the first to eighth beam adjusting elements; and a radiation strip control module for selecting either the first and second radiation strips or the third and fourth radiation strips to transmit signals. When the first beam control module conducts the first and second beam adjusting elements, the third beam control module does not conduct the fifth and sixth beam adjusting elements. When the second beam control module conducts the third and fourth beam adjusting elements, the fourth beam control module does not conduct the seventh and eighth beam adjusting elements. | 03-21-2013 |
| 20130076567 | DUAL ANTENNA TRANSFER SWITCH SYSTEM, METHOD AND APPARATUS - A system, methods, and apparatus for dual antenna transfer switching are disclosed. In an example embodiment, a dual antenna system includes antennas, antenna control units, a transfer switch, and a modem. For example, the transfer switch may transfer a connection between antennas based on changing satellite visibility, upon entering a preprogrammed blockage zone or an unexpected loss of satellite visibility. The transfer switch may receive GPS data from an external GPS unit and/or the antenna control units and buffer the GPS data to a modem. The transfer switch may provide a modem receive-lock signal to retarget a line of sight. The transfer switch may transfer the connection between the antennas based on satellite visibility including signal reception quality and/or a modem receive-lock status. The transfer switch may, based on a difference in antenna uplink transmission power, attenuate a higher power antenna to be balanced with a lower power antenna. | 03-28-2013 |
| 20130127667 | IMAGING SYSTEM - An imaging system ( | 05-23-2013 |
| 20130141281 | CONTROL VEHICLE FOR A ROAD TOLL SYSTEM - A control vehicle for a road toll system on the basis of vehicle-mounted onboard units which can be polled via DSRC radio communications, with the control vehicle comprising at least one DRSC transceiver with at least two antenna systems, which are distributed with a mutual distance over the longitudinal direction of the control vehicle, for polling a passing on-board unit. | 06-06-2013 |
| 20130169482 | METHOD FOR SYNTHESIZING AN ELECTRO-MAGNETIC PULSE IN THE TME DOMAIN, AND APPARATUS FOR THE IRRADIATION OF SUCH AN ELECTRO-MAGNETIC PULSE - The present invention concerns a method for the formation of a desired electromagnetic pulse by using an array of antennae in the time domain, and a relevant modular apparatus for the transmission of electromagnetic pulses, wherein each module is provided with means adapted to realize a programmed synchronization of the array. | 07-04-2013 |
| 20130201060 | METHODS AND APPARATUS FOR BEAM STEERING USING STEERABLE BEAM ANTENNAS WITH SWITCHED PARASITIC ELEMENTS - An antenna is described. The antenna includes a planar circular structure. The antenna also includes a radiating element located at the center of the planar circular structure. The antenna further includes one or more parasitic elements located on a contour around the radiating element. The parasitic elements are aligned in parallel direction with the radiating element. The parasitic elements protrude from the planar circular structure. The antenna includes switches separating each of the one or more parasitic elements from ground. A switch in a first position creates a short between a parasitic element and ground. A switch in a second position creates an open circuit between the parasitic element and ground. | 08-08-2013 |
| 20130214974 | ANTENNA BEAM SCAN MODULE, AND COMMUNICATION APPARATUS USING THE SAME - Signals are maintained to be in phase at beam input ports of a Rotman lens antenna, and thus scanning at non-step antenna beam angles can be realized without increasing the number of input beams. The present invention provides an antenna beam scan module including: a Rotman lens that has plural beam ports and plural antenna ports; plural antenna elements; relative phase detectors that detect a relative phase difference between the signals input to the adjacent beam ports; phase shifters that offset the relative phase difference between the signals supplied to the adjacent beam ports on the basis of the relative phase difference detected by the relative phase detectors; and switches that select routes of the signals supplied to the beam ports through variable amplifiers, wherein the phase shifters are arranged on alternate routes through which the signals are supplied to the plural beam ports. | 08-22-2013 |
| 20130222184 | RECEIVE ONLY SMART GROUND-TERMINAL ANTENNA FOR GEOSTATIONARY SATELLITES IN SLIGHTLY INCLINED ORBITS - A receive-only smart antenna with a directional-point command capability for communication with geostationary satellites, allowing autonomous detection of received signals in order to allow steerage of multiple beams. An array feed is used to illuminate a parabolic reflector, with each feed element of the smart antenna associated with a unique beam-pointing direction. As the receiver switches to different feed elements, the far-field beam is scanned, making it possible to track a geostationary satellite in slightly inclined orbits, eliminating the need for mechanical tracking mechanisms while maintaining high antenna gain in the direction of the satellite. The receive-only smart antenna also features capabilities for forming multiple simultaneous beams supporting operations of multiple geo-satellites closely space in slightly inclined orbits. The designs can support orthogonal beams for enhanced bandwidth capacity via multiple beams with excellent spatial isolation. In addition, the use of toroidal reflectors with multiple linear array feeds spaced in the azimuth direction enables multi-beam operation, allowing multiple geostationary satellites spaced up to ±15 beam-widths of the terminal in azimuth, to be tracked simultaneously and independently. | 08-29-2013 |
| 20130234890 | CONFORMAL ARRAY ANTENNA - Aspects of the disclosure provide an antenna array system. The antenna array system includes a plurality of antenna elements and phase-shift switching circuitry. The plurality of antenna elements are organized in an array and configured to form a non-planar shaped antenna array surface. Each of the plurality of antenna elements is switchable to one of a plurality of phase shift states. The phase-shift switching circuitry is configured to switch each of the plurality of antenna elements to one of the plurality of phase shift states based on phase control signals. In an example, the phase-shift switching circuitry switches a first set of antenna elements to a first phase shift state and switches at least a second set of antenna elements to a second phase shift state to steer an antenna beam in a direction. | 09-12-2013 |
| 20130285854 | RECEIVING UNIT DRIVING CONTROL METHOD, RECEIVING DEVICE AND ELECTRONIC APPARATUS - An RF receiving circuit unit that receives a GPS satellite signal from a GPS satellite is intermittently driven by a first driving control of intermittently driving the RF receiving circuit unit with a first intermittent driving pattern and a multistage driving control of intermittently driving the RF receiving circuit unit with a multistage intermittent driving pattern in which a driving period in the first intermittent driving pattern is set to a second intermittent driving pattern of which an intermittent cycle is shorter than that of the first intermittent driving pattern. | 10-31-2013 |
| 20130307727 | DEVICES, METHODS, AND SYSTEMS FOR ANTENNA SWITCHING BASED ON LOOK-BACK - This disclosure provides systems, methods, and apparatus for antenna switching for simultaneous communication. An can include a plurality of antennas including a first antenna and a second antenna. The apparatus can further includes a plurality of receive circuits including a first receive circuit. The apparatus can further include a controller configured to determine one or more performance characteristics of the first antenna at a first time. The controller is further configured to determine a difference between the one or more performance characteristics of the first antenna at the first time and one or more performance characteristics of the first antenna at an earlier time. The controller is further configured to selectively switch the first receive circuit from receiving wireless communications via the first antenna to receive wireless communications via the second antenna if the difference is larger than a threshold. Other aspects, embodiments, and features are also claimed and described. | 11-21-2013 |
| 20130307728 | MOBILE RADIO ANTENNA COMPRISING A MULTI BEAM FORMING DEVICE - A mobile radio antenna comprises a multi beam forming device which comprises a drivable drive element having a drive shaft and at least two output shafts. Each output shaft is substantially parallel to the drive shaft. At least one output gear is rotationally fixed to the output shaft. At least two phase shifters are each operatively connected to a respective output shaft via a respective drive device. A changeover device enables the drive element to be operatively connected selectively to at least one of the output gears. | 11-21-2013 |
| 20130342398 | ANTENNA SYSTEM FOR RECEIVING AND TRANSMITTING WIRELESS SIGNALS - An antenna system includes an antenna and N integrated passive components (IPCs). A first end of each IPC of the N IPCs is directly coupled to the antenna for receiving signals of a band corresponding to the IPC and filtering signals of bands corresponding to other IPCs of the N IPCs. The antenna system can prevent signals of various bands from interfering with each other, reduces parasitic effect, and further improves nonlinear distortion. | 12-26-2013 |
| 20140009338 | ANTENNA APPARATUS AND METHOD FOR CONTROLLING ANTENNA ARRAY - An antenna apparatus and a method for controlling an antenna array are provided. The method includes the following steps. A plurality of selectable antenna configurations is provided for a directional service. One of the antenna configurations is selected for an antenna element of the antenna array according to a service criterion. The antenna apparatus includes an antenna array, a controller, and a switching unit. The antenna array includes a plurality of antenna elements. The controller is adapted to generate a control signal based on selecting one of a plurality of antenna configurations according to a service criterion for an antenna element to provide a directional service. The switching unit is adapted to configure each of the antenna elements according to the control signal. | 01-09-2014 |
| 20140077997 | SYSTEMS AND METHODS OF CONTROLLING ANTENNA RADIATION PATTERNS - In a particular embodiment, a method of controlling a radiation pattern includes selecting a signal processing characteristic to vary based on a radiation pattern to be emitted by an antenna array of a wireless device, wherein the antenna array includes a plurality of antennas, wherein the signal processing characteristic provides a target resultant radiation pattern, and wherein the signal processing characteristic is applies to less than all elements of the antenna array, and varying the signal processing characteristic across time, frequency, or a combination thereof. | 03-20-2014 |
| 20140125523 | Compact directional Receiving antenna and method - The present invention is a compact directional receiving antenna and method for providing same utilizing true-time-delay methods to achieve a wide pattern bandwidth in a compact size. In one embodiment, two right-triangular-shaped loops are positioned symmetrically in a vertical plane and about a vertical axis so that they share a common apex. In another embodiment, two pairs of loops are positioned in an orthogonal manner about a vertical axis to form an electronically rotatable antenna array. In yet another embodiment, a single loop is provided with a pair of spaced couplers. | 05-08-2014 |
| 20140139373 | MULTIPATH SWITCHING SYSTEM HAVING ADJUSTABLE PHASE SHIFT ARRAY - A multipath switching system comprising of an adjustable phase shift array includes, an adjustable phase shift array module and a control module. The adjustable phase shift array module receives a radio-frequency (RF) signal, and includes at least one RF switch, at least one coupler and at least one phase shifter. The at least one RF switch, the at least one coupler and the at least one phase shifter form a number of transmission paths. The transmission paths respectively produce the processed transmission RF signals corresponding to different phase shifts to an antenna array. The control module controls the at least one RF switch and the at least one phase shifter of the adjustable phase shift array module, so that the antenna array radiates a wireless signal whose direction is corresponding to a predetermined angle in space polar coordinates. | 05-22-2014 |
| 20140159958 | Beam Forming Antenna Array - A wireless access point device comprising a microcontroller unit, a transceiver coupled to the microcontroller unit, and a beam forming antenna coupled to the transceiver, wherein the beam forming antenna comprises a reflector, a switch, and two or more antenna elements substantially adjacent to the reflector and each coupled to the switch. Included is a beam forming method comprising identifying one or more target users, determining an antenna configuration, activating one or more antenna elements each comprising a reflector, thereby focusing an antenna radio frequency pattern towards the target users, and communicating with the target users, thereby transmitting data to the target users or receiving data from the target users. | 06-12-2014 |
| 20140176366 | POSITIONING REFERENCE SIGNAL (PRS) GENERATION FOR MULTIPLE TRANSMIT ANTENNA SYSTEMS - A method of providing Observed Time Difference of Arrival (OTDOA) assistance information to a mobile station is disclosed. In some embodiments, the OTDOA assistance information may comprise Positioning Reference Signal (PRS) assistance information including antenna switching assistance information for at least one cell. In one embodiment, the method may be implemented on a location server for the cell. | 06-26-2014 |
| 20140203968 | MICROSTRIP ANTENNA TRANSCEIVER - A microstrip antenna transceiver with switchable polarization, used in a satellite signal reception device, includes a base board, having a first surface and a second surface; a ground metal plate, disposed on the first surface of the base board; an antenna module, disposed on the ground metal plate, having a radiating metal patch, a vertically polarized feeding hole and a horizontally polarized feeding hole; a first switch, set on the second surface of the base board; a second switch, set on the second surface of the base board; a first microstrip wire, electrically connected between the vertically polarized feeding hole of the antenna module and the first switch; and a second microstrip wire, electrically connected between the horizontally polarized feeding hole of the antenna module and the second switch. | 07-24-2014 |
| 20140218237 | Electronically Steerable Antenna Using Reconfigurable Power Divider Based on Cylindrical Electromagnetic Band Gap (CEBG) Structure - A low complexity/cost beamsteering antenna includes a central line feed affixed to a radial waveguide structure, radiating elements positioned along the circumference of the radial waveguide structure, and a plurality of active elements interspersed along the surface of the radial waveguide structure between the central line feed and the radiating elements. The active elements may comprise PIN diodes or microelectromechanical system (MEMS) components, and may be selectively activated/deactivated by DC switches in order to direct the propagation of an RF signal over the radial waveguide structure in a manner similar to a power divider. As a result, the RF signal may be funneled to selected radiating elements, thereby effectively directionally aiming the main lobe of the emitted radiation pattern to beamsteer the wireless transmission. | 08-07-2014 |
| 20140266902 | SINGLE-PACKAGE PHASED ARRAY MODULE WITH INTERLEAVED SUB-ARRAYS - Embodiments of the present disclosure are directed to a single-package communications device that includes an antenna module with a plurality of independently selectable arrays of antenna elements. The antenna elements of the different arrays may send and/or receive data signals over different ranges of signal angles. The communications device may further include a switch module to separately activate the individual arrays. In some embodiments, a radio frequency (RF) communications module may be included in the package of the communications device. In some embodiments, the RF communications module may be configured to communicate over a millimeter-wave (mm-wave) network using the plurality of arrays of antenna elements. | 09-18-2014 |
| 20140327579 | ANGLE OF ARRIVAL LOCATION SENSING WITH ANTENNA ARRAY - In one embodiment, an apparatus includes a plurality of antennas, a receiver in communication with said plurality of antennas for receiving one or more packets in a block based modulation environment, a switch interposed between a portion of the antennas and the receiver for switching between the antennas, and a processor for calculating angle of arrival for use in identifying a location of a mobile device transmitting the one or more packets. | 11-06-2014 |
| 20140368384 | Millimeter-wave system with beam direction by switching sources - Various embodiments of a millimeter-wave wireless point-to-point or point-to-multipoint communication system which enables determining preferred directions of transmissions, and transmitting in such preferred directions without routing radio-frequency signals. The system comprises a millimeter-wave focusing element, multiple millimeter-wave antennas, and multiple radio-frequency-integrated circuits (“RFICs”). In various embodiments, preferred directions are determined, and millimeter-wave beams are transmitted in the preferred directions. | 12-18-2014 |
| 20140368385 | Systems and methods for forming, directing, and narrowing communication beams - Various embodiments of a communication system operative to form, direct, and narrow communication beams using an array of electromagnetic radiators and a beam-narrowing architecture. A beam-width of an electromagnetic beam is narrowed, thereby increasing the concentration of electromagnetic energy in the beam and achieving a significant antenna gain. In various embodiments, the direction of an electromagnetic beam may be altered to improve communication between a transmitter and a receiver. In various embodiments, the system is a millimeter-wave system with a millimeter-wave array and millimeter-wave beams. | 12-18-2014 |
| 20150295309 | CONFIGURABLE ANTENNA ASSEMBLY - An antenna assembly may include a first ground plane, a second ground plane that may be switched between grounding and non-grounding states, and first and second antenna layers. Each of the first and second antenna layers may include a plurality of pixels interconnected by a plurality of phase change material (PCM) switches. The PCM switches are configured to be selectively switched between phases to provide a plurality of antenna patterns within the first and second antenna layers. | 10-15-2015 |
| 20150311588 | COMMUNICATION DEVICE AND METHOD FOR DESIGNING MULTI-ANTENNA SYSTEM THEREOF - The disclosure provides a communication device. The communication device includes a ground conductor portion and a multi-antenna system. The multi-antenna system includes at least a first and a second resonant portion, each of which is disposed on the corresponding radiating edge of the ground conductor portion. Each of the resonant portions may have a loop resonant structure or may have an open-slot resonant structure, and has a resonant path. The electrically coupling portion makes the length of the resonant path less than or equal to 0.18 times the wavelength of the lowest operating frequency of the multi-antenna system, and thereby excites the corresponding radiating edge and forms a strong surface current distribution, and generates an effective radiating energy and at least one resonant mode, in which the effective radiating energy has a corresponding strongest radiation direction. | 10-29-2015 |
| 20150333413 | A Reconfigurable Antenna System - The invention relates to a reconfigurable antenna system ( | 11-19-2015 |
| 20150340762 | METHOD AND SYSTEM FOR SWITCHOVER REDUCTION IN ANTENNAS TRACKING SATELLITES - A method for reducing expected switchovers in antennas tracking at least one satellite. The method predicts an operation of a predetermined number of subsets of antennas during a simulated time interval. The subsets are derived from at least three antennas. Each of the at least three antennas has a field of view and is operative to selectively receive signals from and selectively transmit signals to a satellite in the respective field of view. The method determines, based on the predicted operation, an expected number of switchovers for each of the subsets during the simulated time interval. The method selects a selected subset from the subsets for communicating with the satellite. The selection of the selected subset is based on the expected number of switchovers. | 11-26-2015 |
| 20150357711 | ELECTRONICALLY-CONTROLLED STEERABLE BEAM ANTENNA WITH SUPPRESSED PARASITIC SCATTERING - An electronically-controlled steerable beam antenna with suppressed parasitic scattering includes a feed line defining an axis x; and first and second arrays of electronically-controlled switchable scatters distributed along the axis x, each of the scatterers in the first and second arrays being switchable between a high state and a low state to scatter an electromagnetic wave propagating through the transmission line so as to form a steerable antenna beam. Each of the scatters of the second array is configured to be 180°-phase-shifted relative to a corresponding scatter of the first array. The switchable scatterers of the first and second arrays are configured into high states and low states relative to each other so as to suppress parasitic scattering of the electromagnetic wave without suppressing the steerable antenna beam. | 12-10-2015 |
| 20160190685 | INTEGRATED ANTENNA BEAM STEERING SYSTEM - The disclosure concerns a beam steering antenna system that can be integrated into a portion of a mobile device, such as a ring conductor that encompasses the device or traverses a portion of the periphery of the mobile device. The single port antenna is capable of generating multiple radiation modes which possess different radiation pattern characteristics. An offset parasitic is implemented to couple to the main radiating element and alter the current distribution to affect a change in radiation mode. The coupling typically occurs at a coupling region designed into the conductive ring used as the antenna in a wireless device. | 06-30-2016 |
| 20160190686 | BEAM TRACKING METHOD, APPARATUS, AND SYSTEM - The present invention relates to the field of communications technologies, and discloses a beam tracking method, apparatus, and system, so as to ensure rapid discovery and to switch from an optimal link to a backup link in time, or switch from a backup link to an optimal link, thereby effectively improving a throughput of a system link. The beam tracking method includes: transmitting, by a beam tracking initiator, a beam tracking request to a beam tracking responder; receiving, by the beam tracking initiator, an enhanced beam tracking training auxiliary sequence transmitted, according to the enhanced beam tracking request, by the beam tracking responder; and when it is determined according to a reception detection result of the enhanced beam tracking training auxiliary sequence that it is necessary to switch to a backup beam link, transmitting, by the beam tracking initiator, first link switching information to the beam tracking responder. | 06-30-2016 |
