Entries |
Document | Title | Date |
20090027269 | EMERGENCY BEACON - An emergency beacon includes a housing fitted with a connector for connecting the beacon to an antenna that is external to the housing. Inside the housing, the beacon includes an incident sensor, a transmitter, a detection and control member connected to the sensor and transmitter and arranged to trigger operation of the transmitter when an incident is detected. The beacon further includes, inside the housing, an incorporated antenna, a changeover switch interposed between the transmitter and the connector and also interposed between the transmitter and the incorporated antenna, and a sensitive member sensitive to the electromagnetic power conveyed towards the connector and to the electromagnetic power returned by the connector. The sensitive member is connected to the control member which is connected to the changeover switch and is programmed to deliver the signals from the transmitter to the external or incorporated antenna, depending on the state of the sensitive member. | 01-29-2009 |
20090128411 | RADIO WAVE ARRIVAL STATE ESTIMATION SYSTEM, RADIO WAVE ARRIVAL STATE ESTIMATION METHOD, AND PROGRAM - It is possible to accurately estimate propagation considering diffraction without significantly increasing the operation processing amount. A radio wave propagation characteristic estimation system in a radio communication system includes: non-diffracted wave estimation means for estimating propagation characteristic of a radio wave reaching from a predetermined transmission point in a limited evaluation area to a plurality of reception points in the evaluation area and estimating a component other than diffracted wave among the radio wave component reaching from the transmission point to the reception points; diffracted wave estimation means for estimating only a diffracted wave component among the radio components reaching from the transmission point to the respective reception points; and total radio wave component calculation means for calculating total radio wave propagation characteristic in the respective reception points considering the estimated result in the non-diffracted wave estimation means and the estimation result of the diffracted wave estimation means. | 05-21-2009 |
20090160708 | RADAR APPARATUS AND INTERFERENCE DETECTION METHOD - A radar apparatus having a transmit antenna which transmits a transmit wave, a receive antenna which receives a receive wave including a reflected wave reflected on a target of the transmit wave; and an interference detection unit which judges that interference has occurred, when, of the receive waves received by the receive antenna, an average value of received power corresponding to a large distance from the radar apparatus is a threshold value or more. | 06-25-2009 |
20090160709 | METHODS AND SYSTEMS FOR PROVIDING ENHANCED POSITION LOCATION IN WIRELESS COMMUNICATIONS - Embodiments disclosed herein relate to methods and systems for providing improved position-location (e.g., time-of-arrival) measurement and enhanced position location in wireless communication systems. In an embodiment, an access point may replace information (e.g., data) transmission by a “known” transmission (or “reference transmission”) at a predetermined time known to access terminals in the corresponding sectors. The access terminals may use the received reference transmission to perform a position-location measurement, and report back the measured information. The access point may also send a reference transmission on demand, e.g., in response to a request from an access terminal in need for a location-based service. | 06-25-2009 |
20090174602 | DVOR MONITOR DEVICE, AND DVOR MONITOR METHOD - A monitor antenna receives radio waves transmitted from a Doppler very high frequency omnidirectional radio range (DVOR) device and includes a carrier signal and a subcarrier signal, orthogonal detectors shift a phase of a signal of each subcarrier component by a phase difference equivalent to a prescribed distance away from the DVOR apparatus relative to a signal of a carrier component, and a combiner combines signals of the carrier component and the subcarrier component to output the combined signal to a DVOR demodulator. | 07-09-2009 |
20090284417 | Arrangement and Method for the Wireless Transmission of Phase-Critical Signals when the Length of the Transmission is Variable - A method and apparatus for wireless transmission of electrically complex or phase-critical signals includes a device for measuring the length of a transmission route to a moving platform, and a device for transmitting complex measuring or reference signals. According to the invention, components of the device for transmitting the signals are arranged adjacent components of the device for measuring the length of the transmission route, so that changes of the length of the transmission route are the same for both devices. | 11-19-2009 |
20100164806 | TARGET AND CLUTTER ADAPTIVE ON-OFF TYPE TRANSMIT PULSING SCHEMES - One or more embodiments of the present invention relates to the design an adaptive transmit non-periodic ON-OFF pulse width modulated (PWM) signal sequence over a radar dwell time that is matched to the target and clutter characteristics so as to maximize the target response adaptively. In this context, in the first step, some optimality criterion such as maximizing the ratio of the target output signal power to the mean clutter power at the receiver input is used to design a pre-transmit waveform. In the second step, a Pulse Width Modulation method is used to convert the pre-transmit waveform so designed to a non-periodic ON-OFF pulse width modulated (PWM) waveform signal without destroying the target and clutter matching characteristics of the pre-transmit signal. This allows maximum response from the target and minimum response from the clutter and the environment when the target and its surroundings are interrogated with the non-periodic ON-OFF pulse width modulated (PWM) signal waveform. | 07-01-2010 |
20100188290 | MARINE RADAR SYSTEM WITH THREE-DIMENSIONAL MEMORY - A radar system includes a memory device operable to store radar-return data characterizing at least one geographic region, a database including a set of chart data representing fixed landmarks associated with the at least one geographic region, and a processor coupled to the memory device. The processor is configured to obtain from the memory device multiple sets of the radar-return data corresponding to successive scans of the at least one geographic region, perform correlation processing among the multiple data sets to yield a first correlated data set, perform correlation processing between the first correlated data set and fixed-landmark chart data associated with the at least one geographic region to yield a second correlated data set, and process the second correlated data set to remove said fixed-landmark chart data therefrom and yield a third data set representing scanned objects that are not fixed landmarks. | 07-29-2010 |
20100315289 | DISTANCE ESTIMATION - The invention relates to an apparatus and method for estimating the distance between a transmitter and a receiver. A method comprising obtaining a signal from a receiver; determining whether the signal more likely propagated through a line-of-sight (LOS) radio channel or a non lme-of-sight (NLOS) radio channel; using a model including parameters selected according to the radio channel to estimate the distance between the receiver and a transmitter which sent the signal. | 12-16-2010 |
20110156956 | Subreflector Tracking Method, Apparatus and System for Reflector Antenna - A subreflector tracking method, apparatus and system incorporating sensor feedback of the precise subreflector angular position of a nutating subreflector. The subreflector nutation generated by coupling the subreflector, off center, to a rotating support. Monitoring of the received signal strength peak during a rotation of the subreflector generating an error vector designating a direction in which to move the subreflector to track the signal. | 06-30-2011 |
20110279322 | SIGNAL TRANSMISSION SURVEILLANCE SYSTEM - A system and method of detecting, processing, and selectively responding to radio frequency transmissions detected by at least one electronic signal observation device deployed above a geographic area. | 11-17-2011 |
20110304505 | Electronic Tracking System - An ordnance usable against a living body, the ordnance having a tracking module with a transmitter that can use at least a portion of the body as an antenna. In preferred embodiments, the tracking module is releasably coupled to a carrier, and a pointed tip is disposed on at least one of the tracking module and the carrier. The module preferably includes a circuit that provides location information to the transmitter, and optionally provides additional information, including at least one of motion, compass, pressure, oxygen, and heart beat information. Transmission can occur at any suitable interval, including for example, at least three times during a ten minute period. The transmitter can optionally transmit a no heart beat signal, failure signal, and/or low battery signal. Preferred systems include a receiver that can send an interrogation signal, and the ordnance can include an interrogation receiving circuit for receiving interrogation signals. | 12-15-2011 |
20120092218 | ELECTRONIC APPARATUS, METHOD OF MAKING THE SAME, AND TRANSCEIVING DEVICE - An electronic apparatus includes a metal base; a wiring board disposed on the metal base, the wiring board having an opening and including interconnects; a metal stage dispose in the opening, the metal stage serving as a ground line; and a semiconductor device disposed on the metal stage, wherein an area of an end surface of the metal stage facing the metal base is larger than that of the metal stage facing the semiconductor device. | 04-19-2012 |
20120139789 | TRANSMITTER INDEPENDENT TECHNIQUES TO EXTEND THE PERFORMANCE OF PASSIVE COHERENT LOCATION - Methods to improve the performance of passive coherent location by non-reliance on a direct view of the signal source are described. Passive Coherent Location, or PCL, has become a promising technology as more computer-processing power has become generally available. Basically, most PCL techniques rely on comparing signal sources with their reflections from an object in order to determine the location of the object. However, this requires line of sight access from the receiver system to the signal source which may not always be practical and may limit the performance of the system overall. The techniques described herein do not require line of sight to the transmitter sources. | 06-07-2012 |
20120139790 | OPTIMAL STORAGE SCHEME FOR ACCESS POINT COVERAGE DATA - It is disclosed to determine, as a representation of a set of terminal positions, a polygon that encloses all terminal positions of the set of terminal positions. The terminal positions are positions of one or more terminals within a coverage area of a communication node. | 06-07-2012 |
20120146852 | PULSE RADAR RECEIVER - A pulse radar receiver includes a power splitter configured to split a transmit (TX) trigger signal for generating a TX pulse, a phase-locked loop (PLL) configured to receive a division ratio and the TX trigger signal split by the power splitter, and generate a sampling frequency, and a sampler configured to sample a reflected wave received through an RX antenna, according to the sampling frequency generated by the PLL. Accordingly, it is possible to provide a high distance resolution by generating a sampling frequency with a difference from a TX pulse to sample a reflected wave received through an RX antenna. Thus, it is possible to overcome a limitation in the distance resolution due to the pulse width and to measure a minute movement at a short distance. Therefore, the pulse radar receiver is applicable to high range resolution radar applications such as a living body measuring radar. | 06-14-2012 |
20120200460 | LOCATOR BEACON WIRELESS HEALTH MONITOR | 08-09-2012 |
20130162479 | DEVICES, SYSTEMS, AND METHODS FOR TESTING CRASH AVOIDANCE TECHNOLOGIES - A Guided Soft Target (GST) system and method provides a versatile test system and methodology for the evaluation of various crash avoidance technologies. This system and method can be used to replicate the pre-crash motions of the CP in a wide variety of crash scenarios while minimizing physical risk, all while consistently providing radar and other sensor signatures substantially identical to that of the item being simulated. The GST system in various example embodiments may comprise a soft target vehicle or pedestrian form removably attached to a programmable, autonomously guided, self-propelled Dynamic Motion Element (DME), which may be operated in connection with a wireless computer network operating on a plurality of complimentary communication networks. Specific DME geometries are provided to minimize ride disturbance and observability by radar and other sensors. Computer controlled DME braking systems are disclosed as well as break-away and retractable antenna systems. | 06-27-2013 |
20130257656 | ELECTRONIC TRACKING SYSTEM - An electronic tracking system for obtaining geographic or other information about a targeted object from deployed ordnance. Ordnance can be delivered from any suitable weapon or weapons system, including hand-held or artillery guns, manned or unmanned aircraft, etc. The ordnance can be substantially any projectile targeted at a human, animal or other object. Once deployed, the ordnance can provide a variety of information about location, the target, the shooter, or the ordnance itself. Such information can be transmitted at any suitable interval, even time-delayed or upon a condition. Preferably, the system also contains a receiver to receive the transmitted information. Once received, the information can be then provided to users in any appropriate fashion. | 10-03-2013 |
20130300606 | RADAR APPARATUS AND AN ANTENNA APPARATUS - The present invention relates to radar and antenna technique, and more particularly, to a radar apparatus and an antenna apparatus having antenna configuration of arranging a plurality of array antennas capable of concentrating antenna gain on a direction for sensing. | 11-14-2013 |
20140049427 | RADAR-TRANSPARENT COATING - The invention relates to a radar-transparent component comprising a plastic body. Said component is characterized in that at least parts of the surface have a coating with a thickness of between 10 nm and 100 nm that comprises a semiconductor. Said coating gives the plastic body the desired metallic appearance without the body losing the characteristic of a radar-transparent component. | 02-20-2014 |
20140062788 | PHASE-CONJUGATE CONFIGURATION OF HIGH-GAIN, DUAL-POLARIZED SECTOR ANTENNAS FOR A REPEATER - An antenna system having a transmit assembly with a first set of antenna elements for transmitting signals. Each antenna element in this first set may be disposed from a respective adjacent antenna element by a predetermined azimuthal increment and by a predetermined altitudinal increment. The antenna system further includes a receive assembly having a second set of antenna elements for receiving signals. Each antenna element in this second set may be disposed from a respective adjacent antenna element by a predetermined azimuthal increment and by a predetermined altitudinal increment. The predetermined azimuthal and altitudinal increments of the first set may be substantially similar to the predetermined azimuthal and altitudinal increments, respectively, of the second set. | 03-06-2014 |
20140062789 | LOCATION ESTIMATION FOR WIRELESS DEVICES - In an example embodiment, there is disclosed herein, an apparatus comprising an interface and location determination logic coupled with the interface. The location determination logic receives data representative of measured signal strengths for a wireless device from a plurality of receiving devices at known locations via the interface. The location determination logic determines an estimated location based on the measured signal strengths and a first transmit power for the wireless device. The location determination logic determines a revised transmit power for the wireless device based on the measured signal strengths from the plurality of devices at known locations and the estimated location. The location determination logic determines a revised estimated location based on the measured signal strengths and the revised transmit power for the wireless device. | 03-06-2014 |
20140085144 | Locating Device - A locating device, in particular a hand locating apparatus, comprises a locating unit which has at least one antenna. The antenna is of planar construction. | 03-27-2014 |
20140091969 | RADOME FOR A RADAR SENSOR ASSEMBLY - A radome for a radar sensor that includes a first and second section. Each section is formed of layers that have an electrical thickness substantially equal to an integer multiple of a guided half-wavelengths of the radar beam. Each of the sections are configured such that, at a location spaced apart from the radome, a first phase angle of the first portion of the radar beam differs from a second phase angle of the second portion of the radar beam by an amount substantially corresponding to an integer number of three hundred sixty degrees (360°) of phase angle shift. | 04-03-2014 |
20140104108 | CORRECTING FREQUENCY ERRORS IN FREQUENCY DIFFERENCE OF ARRIVAL GEOLOCATION SYSTEMS - A frequency correction for frequency difference of arrival geolocation of transmitted target signals may be provided. A frequency of a target signal may be determined at a first collector based upon a first reference timebase source. A frequency of the target signal may be determined at a second collector based upon a second reference timebase source. An observed frequency of a reference carrier signal based upon the first reference timebase source may be determined at the second collector based upon the second reference timebase source. A relative timebase error between the first collector and the second collector may be calculated based upon a difference between the intended frequency of the reference carrier signal and the observed frequency of the reference carrier signal. A corrected frequency difference for the target signal may be calculated based upon the relative timebase error and a proportional scaling factor. | 04-17-2014 |
20140111379 | POSITION-DETERMINING SYSTEM AND METHOD FOR THE OPERATION THEREOF - A system for determining position comprises at least one transmitter connected to the object, at least two stationary receivers, and means for determining the phase difference with which the signal of the transmitter arrives at the two receivers. Compared to conventional radio direction finding (decca direction finding), transmission takes place only at the location of the mobile object. This has the effect that only one transmitter having very small dimensions and very low power consumption is required at the location of the mobile object. At least one pair of two stationary receivers is used for operation to determine at least one space coordinate of the object position, the measuring region for the object position being located between these receivers at this space coordinate. The position can be determined with high accuracy if the three space coordinates thereof are determined separately using at least one dedicated receiver pair. | 04-24-2014 |
20140159960 | MARINE NAVIGATION BEACON - A marine navigation beacon comprises a first module and a second module disposed within a housing. The first module is configured to transmit a signal having a frequency of less than 1 GHz. The second module is configured to transmit a signal having a frequency of greater than 1 GHz. | 06-12-2014 |
20140159961 | LOW-COST TRACKING SYSTEM - A method of tracking a second electronic device with respect to a first electronic device is disclosed. The method includes transmitting a first waveform of a first frequency along a first fixed path associated with the first device. A second waveform having a frequency based on the first frequency is wirelessly transmitted from the first device to the second device along a first wireless path. The second waveform is wirelessly transmitted from the second device to the first device along a second wireless path. The first and second waveforms are received at the phase comparator circuit. A first phase relationship of the received first waveform is then compared to a second phase relationship of the received re-transmitted waveform. A coordinate of the second device is determined with respect to a reference coordinate based on the comparing. | 06-12-2014 |
20140168013 | METHOD FOR OPERATING A HANDHELD SCREENING DEVICE AND HANDHELD SCREENING DEVICE - A method for operating a handheld screening device is provided, including taking a first image; determining a region of interest in the first image; and generating a scanned image by an active radar scan of the region of interest. A corresponding handheld screening device is provided as well. | 06-19-2014 |
20140210669 | SYSTEMS AND METHODS FOR IMPROVING BEARING AVAILABILITY AND ACCURACY FOR A TRACKING FILTER - Systems and methods for improving bearing availability and accuracy in a traffic collision-avoidance system (TCAS). In an exemplary method, if only a single phase-difference value is received for one of two two-element antennas, a processor determines an expected maximum antenna element phase-difference value for the elements of the two-element antenna that did not receive a phase-difference value for a target signal source; estimates a phase-difference value for the two-element antenna that did not include a phase-difference value, based on the expected maximum antenna element phase-difference value and a previously determined predicted bearing value; and calculates bearing based on the estimated phase-difference value and a phase-difference value received from the other two-element antenna. The determination is based on previously received signals associated with the target signal source and based on elevation information of the target signal source and a predefined maximum antenna element phase-difference value for the respective antenna element pair. An output device outputs information associated with the calculated bearing. | 07-31-2014 |
20140210670 | MICROWAVE BARRIER AND METHOD OF RECOGNIZING AN OBJECT IN A MICROWAVE PATH - A microwave barrier ( | 07-31-2014 |
20140218238 | Object Location and Tracking - A method for tracking an object includes associating a beacon with a responder; transmitting a polling signal from the beacon to the responder; receiving a response from the responder; entering a low power state on the beacon for a predetermined duration; and transmitting an alert from the beacon responsive to a subsequent signal from the beacon failing to result in receiving a subsequent response from the responder. Embodiments also include a system in which the beacon and responder are configured to perform the described functions. In various embodiments, the duration during which the beacon remains in the low power state is predetermined based either on a default factory setting or a user adjustable setting. | 08-07-2014 |
20140232599 | Method and devices for unambiguously identifying an object - The invention relates to a method for unambiguously identifying an object ( | 08-21-2014 |
20140253382 | GRADED-GROUND DESIGN IN A MILLIMETER-WAVE RADIO MODULE - A millimeter-wave radio frequency (RF) module is provided. The RF module includes a multilayer substrate having at least a front layer, a back layer, a plurality of middle layers, a first ground layer, and a second ground layer, wherein the first ground layer includes a graded-ground plane having a pair of non-overlapping ground lines connected at a single connection point through a graded connection, and wherein the second ground layer includes a double graded-ground plane having a pair of overlapping ground lines connected at a single connection point through a graded connection, wherein the first ground layer and the second ground layer provide a reference ground to a transmission line included in the multilayer substrate. | 09-11-2014 |
20140266903 | Dispensible Electrical Gasket, Electronic Module Having Dispensible Electrical Gasket, And Method Of Fabricating Same - An electronic module and method of making an electronic module include a printed circuit board (PCB) having a surface, at least one conductive trace being formed on the surface. A housing element for mechanically mating with the PCB includes at least one mating surface aligned with the conductive trace on the PCB when the PCB and the housing element are mechanically mated, the mating surface comprising a plurality of alternating protrusions and spaces between the protrusions. An electrical gasket is formed on the mating surface of the housing element such that the electrical gasket conforms with the protrusions and spaces on the mating surface of the housing element and is disposed between the mating surface of the housing element and the conductive trace on the surface of the PCB when the housing element and the PCB are mechanically mated, such that the electrical gasket provides an electromagnetic interference (EMI) seal between the mating surface of the housing element and the conductive trace on the first surface of the PCB. | 09-18-2014 |
20140266904 | METHODS AND APPARATUS FOR IMPROVING TIME OF ARRIVAL DETERMINATION - Devices, systems, and methods for improving performance in positioning systems are disclosed. Signal processing methods to determine a first time of arrival signal, along with associated hardware and software apparatus for implementing such methods are described. | 09-18-2014 |
20140266905 | METHODS AND APPARATUS FOR IMPROVING TIME OF ARRIVAL DETERMINATION - Devices, systems, and methods for improving performance in positioning systems are disclosed. Signal processing methods to determine a first time of arrival signal, along with associated hardware and software apparatus for implementing such methods are described. | 09-18-2014 |
20140266906 | ANGLE DIVERSITY RECEIVING APPARATUS - An angle diversity receiving apparatus, which includes a receiving horn, a band pass filter, a low noise amplifier, a down converter and an automatic gain control unit, includes a diversity synthesis circuit which combines a plurality of branch signals, a decision feedback equalizer which regenerates a receiving signal on the basis of an output of the diversity synthesis circuit, a control unit which controls an angle of a receiving beam on the basis of the plural branch signals and an error signal of the decision feedback equalizer, and a horn driving unit which drives the receiving horn according to the control unit so that the angle of the receiving beam may be identical with a predetermined angle. | 09-18-2014 |
20140306843 | Measuring System and Measuring Method Using Position and/or Orientation Sensors - A measuring system serves the purpose of measuring a directional characteristic of a first signal sent or received by a device under test comprising sensor means for determining its position and/or orientation. The device under test is set up for determining the position and/or orientation on the basis of its sensors and communicate this information to the measuring device either wireless or wired. The measuring device can be an external or internal means. The measuring system comprises positioning means for positioning and/or orienting the device under test and a measuring device comprising antenna means for receiving the first signal and processing means for processing the received first signal. The processing means comprise sensor processing means for determining the position and/or orientation included in the first signal. The processing means are set up for determining the directional characteristic from the device under test and the position and/or orientation. | 10-16-2014 |
20140306844 | LANE ESTIMATION APPARATUS AND METHOD - Disclosed herein are a lane estimation apparatus and method. The lane estimation apparatus includes a camera unit which captures an image in front of a vehicle, a radar unit which senses a plurality of stationary objects in front of the vehicle, and a lane estimation unit which detects a lane through the image captured by the camera unit, generates an imaginary lane joining a plurality of stationary objects next to a road among the stationary objects sensed by the radar unit, determines whether the generated imaginary lane is valid based on a distance between the detected lane and the generated imaginary lane, generates, when the imaginary lane is valid according to the determined result, a final lane based on the detected lane and the imaginary lane, and recognizes the generated final lane as a driving lane of the vehicle. | 10-16-2014 |
20140320347 | Systems and Methods of Defining Boundary Regions for Animals - Systems and methods of determining a boundary area for animals, including a transmitter unit to generate and transmit a plurality of boundary signals, a receiver unit having one or more sensors to detect one or more characteristics of the boundary signals, and a user interface configured to communicate with the receiver unit, the user interface including a boundary program component to sequentially acquire boundary data corresponding to the plurality of boundary signals at a series of boundary perimeter locations, and to transmit the acquired data and instructions to the receiver unit to enable the receiver unit to determine proximity of the receiver unit relative to each perimeter location. | 10-30-2014 |
20140327580 | Using Measured Angular Coordinates of an Object Relative to a Directional Transceiver - A method comprises measuring angular coordinates of an object ( | 11-06-2014 |
20140347223 | PORTABLE WIRELESS NODE ORIENTATION ADJUSTMENT - Disclosed herein are example embodiments for portable wireless node orientation adjustment. For certain example embodiments, at least one device, such as a portable wireless node: (i) may detect a change in an orientation position of a portable wireless node; or (ii) may obtain at least one direction to aim at least one beam toward a counterpart wireless node. However, claimed subject matter is not limited to any particular described embodiments, implementations, examples, or so forth. | 11-27-2014 |
20140354480 | APPARATUS FOR WIRELESS COMMUNICATION - An apparatus comprising: radio frequency circuitry; an electrical energy storage device configured to provide electrical energy to the radio frequency circuitry; and an antenna configured to receive signals from the radio frequency circuitry and comprising a first antenna portion and a second antenna portion, the first antenna portion and the second antenna portion being oriented in different directions, the antenna being configured to transmit signals received from the radio frequency circuitry to enable a hand portable device to determine a location of the apparatus from the transmitted signals. | 12-04-2014 |
20140375503 | DUMP TRUCK WITH OBSTACLE DETECTION MECHANISM AND METHOD FOR DETECTING OBSTACLE - A dump truck includes radars attached, facing backward, to a position projected sideward a front fender extended from a lower deck to an upper deck of a front side of the vehicle, in which an irradiation beam has an angle of dip to cross at least a front wheel; and radars attached, facing sideward, to the side of the lower deck, and the radars and the radars are arranged such that a horizontal forward detection limit line of each of the radar and a horizontal backward detection limit line of each of the radar overlap and the horizontal backward detection limit lines of the radar are directed to a side of a center plane of the vehicle to detect the obstacle in the side of the vehicle. | 12-25-2014 |
20140375504 | SYSTEM FOR LOCATING A MISSING AIRCRAFT - The invention relates to a system ( | 12-25-2014 |
20150035703 | RADAR SENSOR DEVICE HAVING AN ADJUSTING MIRROR - A radar sensor device for motor vehicles, having a sensor housing, which includes a radome; a fastening section having an engagement contour for a fastening element which is in engagement with the engagement contour and carries a mirror-reflective region; and further fastening sections having engagement contours that are suitable for the engagement of such a fastening element, to fasten the radar sensor device in the installation location in the motor vehicle; and a method for fastening a mirror to a radar sensor device for motor vehicles. Fastening elements of a similar type, which are suitable for the engagement with engagement contours of fastening sections of the radar sensor device, are provided, and at least one of the fastening elements is provided with a mirror-reflective region, so that a mirror is formed; and the fastening elements are fastened to the fastening sections. | 02-05-2015 |
20150048977 | Antenna System and Method for Full Duplex Wireless Transmission with Channel Phase-Based Encryption - An antenna assembly includes a first active antenna element and a second active antenna element, each of which may be a dipole. A first set of independently-switchable radio-frequency reflectors are positioned around at least the first active antenna element. These first switchable radio-frequency reflectors may also be positioned around the second active antenna element. Alternatively, a second set of independently-switchable radio-frequency reflectors may be positioned around the second active antenna element. The switchable reflectors enable controlled perturbation of the communication channel between the antenna assembly and a remote communications node, enabling securely encrypted communications. | 02-19-2015 |
20150054688 | METHOD FOR DETERMINING AN ANTENNA ARRAY - A method for generating an electromagnetic wave with an antenna array, the antenna array including at least one antenna, at least one circuit having parameters having an influence on the electromagnetic wave generated by the antenna array and connected to at least one antenna, and the method comprising: selecting a criterion to be met for the wave generated by the antenna array; determining desired decomposition coefficients of a wave in a basis giving the possibility of attaining the selected criterion; and calculating the parameters having an influence on the electromagnetic wave generated by the antenna array for each circuit of the antenna array so that the difference between the decomposition coefficients on the basis of the wave generated by the antenna array and the desired decomposition coefficients be minimal. | 02-26-2015 |
20150091757 | Systems and Methods for High Precision Indoor Location Tracking - A radio frequency signal mediator configured indoors passively receives signals from a user wireless device and determines layer two radio access network measurement data from the signals. At least one other radio frequency signal mediator in the same space also passively receives signals from the user wireless device and determines layer two radio access network measurement data from the signals. The radio frequency signal mediators send the data to a location determining device that determines a location for the user device based on the at least two sets of data and send the location data to a location server. | 04-02-2015 |
20150091758 | ANTENNA AND ELECTRONIC APPARATUS - An antenna includes a magnetic current element which is an element to constitute a loop and generates a magnetic current vector having a component perpendicular to a loop plane, and an electric current element to generate an electric current vector having a component parallel to the magnetic current vector. | 04-02-2015 |
20150097730 | RADAR SENSOR INCLUDING A RADOME - A radar sensor for motor vehicles includes a printed circuit board which carries the mass and antenna structures of the radar sensor, and includes a housing accommodating the printed circuit board, the housing being formed on a transmit and receive side of the radar sensor by a radome which is transparent to radar radiation, characterized in that the radome has an essentially plane wall oriented obliquely to the printed circuit board. | 04-09-2015 |
20150123850 | RADAR SENSOR ASSEMBLY FOR MACHINE - A radar sensor assembly that includes a radar sensor and a holder assembly is provided. The holder assembly includes a base plate, a first wall, a second wall, a third wall, and a bottom wall. Each of the first wall, the second wall, and the third wall extends from the base plate, and along with the bottom wall, define a sensor-holding portion. The first side and the second side define a sliding side to allow slidable accommodation of the radar sensor, in the sensor-holding portion. The sliding side includes a retention tab, which depresses to facilitate sliding of the radar sensor into the sensor-holding portion, and lifts to retain the radar sensor in the sensor-holding portion. At least one of the first wall, the second wall, and the third wall, includes one or more retention elements that prevent displacement of the radar sensor. | 05-07-2015 |
20150130663 | DISTRESS BEACON INTEGRATED IN THE VERTICAL TAILPLANE OF AN AIRCRAFT - The vertical tailplane of the aircraft is equipped with a distress beacon. The floatability of the vertical tailplane is taken advantage of in order to keep the distress beacon on the surface of the water in the case of an accident caused by a forced landing on the sea. | 05-14-2015 |
20150145726 | Actuated Pin Antenna Reflector - Apparatus for improving the performance and allowing increased directionality of reflecting-type antenna systems by varying the geometry of the reflecting surface. A reflecting surface is composed of an array of actuated pins which are capable of extending or retracting to alter the overall pattern. An actuator controlling unit has the address of each actuator and is able to extend or retract the pins to the desired degree. The specific pattern which the actuator control unit realizes is determined by the iterative position calculator which utilizes directional inputs from the user and/or inputs from a system which determines the effectiveness of previous pin movements. The apparatus attempts to maximize the received signal by assessing amplitude changes over time and utilizing that information to direct alteration in the reflecting surface for optimal performance. | 05-28-2015 |
20150145727 | TRACKING A MOBILE COMPUTER INDOORS USING WI-FI AND MOTION SENSOR INFORMATION - A mobile computer may receive a bluetooth signal from a wireless sensor to determine entrance to a building. The mobile computer may track, on a floor of the building, its indoor position by utilization of a combination of Wi-Fi information and accelerometer information. The indoor position may be tracked without global positioning system (GPS) information and may be associated with a probability related accuracy value. | 05-28-2015 |
20160091596 | REAL-TIME MULTI-ARRAY SUM POWER SPECTRUM CONTROL - Power control for a radar system issues power draw commands to each array in the radar system. Each power draw command controls direct current (DC) power draw by the respective radar array on a dwell-by-dwell basis, based on total energy resources (including stored energy) available to the respective array at the start of a dwell period, a power spend rate expected for the respective array during the dwell period, and a rate of “waste” power set to be dispersed to reduce excess power at the respective array during the dwell period. In determining power draw for an array, the power control takes into account a predetermined number of future dwell periods and any transmit and/or receive tasks scheduled for such periods. If necessary to maintain less than a predetermined ripple on total DC power drawn from a source of the DC power by the radar system, the power control adjusts a duration of empty dwell periods within the dwell schedule for one or more of the arrays. | 03-31-2016 |