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| Number | Title | Issue Date |
| 8179306 | High-frequency circuit board, high-frequency circuit module, and radar apparatus The invention relates to a high-frequency circuit board that can efficiently radiate heat generated in a mounted electronic component without reducing the degree of freedom in design, a high-frequency circuit module including the high-frequency circuit board, and a ... | 05/15/2012 |
| 8169363 | Antenna device and radar apparatus An antenna device includes an antenna substrate and a feed line substrate. The antenna substrate includes subarray antennas, feeding interfaces and a back surface. The subarray antennas are arranged parallel with an interval on a plane. Each subarray antenna include... | 05/01/2012 |
| 8115673 | Self-oscillating UWB emitter-detector A UWB RF detector employs a pulsed self-oscillating mixer (SOM) and an output integrator to provide low-noise preamplification, mixing and sampling. The SOM produces short-burst, microwave self-oscillations that are phase-locked to a clock. The self-oscillations are... | 02/14/2012 |
| 8098195 | Pulse transmitters having multiple outputs in phase relationship and methods of operation A transmitter provides a plurality of output signals. The transmitter includes a processor, a modulator, a first circuit, and a second circuit. The modulator provides a modulated signal responsive to the processor. The modulated signal includes an amplitude modulate... | 01/17/2012 |
| 8094062 | Fore/aft looking airborne radar An antenna system for an airborne radar system with a dorsal unit having two opposing long sides extending in a height direction (Z) and a longitudinal direction (X), and two opposing short sides extending in a lateral direction (Y) and the height direction (Z), and... | 01/10/2012 |
| 8044845 | Highly integrated circuit architecture Various techniques may be implemented to isolate a receive signal from a transmit signal in an antenna. Signal isolation is desirable because it prevents interference of the signals with one another and minimizes signal noise, which reduces the signal quality. Some ... | 10/25/2011 |
| 8035550 | Unbalanced non-linear radar A transmitter system can have a higher power transmitter and a lower power that are configured to transmit a pair of unbalanced radio frequency beams to a target so as to produce a difference frequency in the target. The difference frequency can disrupt operation of... | 10/11/2011 |
| 8031109 | Combined transmit/receive single-post antenna for HF/VHF radar An antenna configuration is described for high frequency (HF) or very high frequency (VHF) radars contained in a single vertical post. The radar may include a vertical dipole or monopole transmitting antenna collocated with a three-element receive antenna. The three... | 10/04/2011 |
| 8018375 | Radar system using a projected artificial magnetic mirror A projected artificial magnetic mirror (PAMM) radar device includes a transceiver module, a shaping module, and an antenna structure. The antenna structure includes a plurality of metal patches, a metal backing, a dielectric material, and one or more antennas. The m... | 09/13/2011 |
| 8013784 | Butler matrix for 3D integrated RF front-ends A radar apparatus comprises a substrate having first and second sides, an antenna including radiative elements disposed on the first side of the substrate, a Butler matrix supported by the substrate having input and output ports, where each output port of the Butler... | 09/06/2011 |
| 7999727 | Radar high frequency module A radar high frequency module having at least one distance piece mounted at the flat top wall of the shielding cover for supporting the shielding cover on the printed circuit board without mechanical contact of the downwardly extending side walls of the shielding co... | 08/16/2011 |
| 7994966 | Device for generation of microwaves The invention relates to a device for generation of microwaves comprising a virtual cathode oscillator (1) in a coaxial embodiment with an outer cylindrical tube forming a cathode (2) and connected to a transmission line (14) for feeding the cat... | 08/09/2011 |
| 7986262 | Radar tracking device and method thereof A radar tracking apparatus and method are provided. The radar tracking apparatus includes an α-β tracking filter, wherein the α-β tracking filter includes: a tracking index unit calculating a tracking index for obtaining α and β filter gains of an α-β tracki... | 07/26/2011 |
| 7973704 | Handheld radar The present invention relates to a handheld radar apparatus. The apparatus comprises an antenna (22,23) adapted to transmit and receive electromagnetic signals, a direction sensor (24, 25) that outputs an orientation signal indicative of the orientatio... | 07/05/2011 |
| 7961140 | Multi-beam radar sensor A multi-beam radar sensor has a plurality of antenna elements disposed next to each other, a collective lens situated at a distance in front of the antenna elements, and an additional preliminary focusing lens disposed in such a way that it affects only a portion of... | 06/14/2011 |
| 7928900 | Resolution antenna array using metamaterials An antenna array includes at least one transmit array comprising a plurality of metamaterial elements. The antenna array further includes at least one near-field stimulator for inputting electromagnetic signal to the transmit array so that a sub-wavelength target is... | 04/19/2011 |
| 7920090 | Radar system The invention provides a radar system comprising a power amplifier and a mixer, wherein the power amplifier and the mixer are integrated in a common semiconductor chip. For detecting a target object with the radar system, a high frequency signal from the power ampli... | 04/05/2011 |
| 7916069 | Radar device A radar device is provided in this disclosure. The radar device includes an area determination module for performing a determination of a noise superior area or a target-echo superior area for each divided area of a radar-search area defined in advance, a noise-leve... | 03/29/2011 |
| 7907086 | Generic radar architecture The invention relates to the general field of complex electronic and/or computerized system architectures for which the interchanges take the form of irregular data flows prompted by processing functions of variable duration in time. The object of the invention is a... | 03/15/2011 |
| 7907085 | Method for increasing the information density in signal-transmission lines A method for increasing the information density on a signal-transmission line. The signal-transmission line extends from a sensor to a control unit. A modulated signal, which includes a digital signal, is transmitted on the signal-transmission line. The digital sign... | 03/15/2011 |
| 7893867 | Communications radar system A system for a mobile ad-hoc communications network includes a single antenna aperture and a phased array antenna comprising a plurality of radiators communicating electromagnetically via the single antenna aperture. The system may also include a control circuit com... | 02/22/2011 |
| 7884757 | Scanning ultra wideband impulse radar In one embodiment, an ultra wide band (UWB) radar includes: a substrate; a plurality of antennas adjacent the substrate, the plurality of antennas being arranged into a plurality of sub-arrays; an RF feed network adjacent the substrate, the RF feed network coupling ... | 02/08/2011 |
| 7868818 | Multi-element antenna An antenna is provided, in combination with an associated switch array, the antenna comprising a number of antenna elements mounted above a ground plane for providing coverage over a predetermined range of angles in azimuth using a number of beams. Each of the anten... | 01/11/2011 |
| 7825853 | Man-portable counter mortar radar system The present invention is a man-portable counter-mortar radar (MCMR) radar system that detects and tracks enemy mortar projectiles in flight and calculates their point of origin (launch point) to enable and direct countermeasures against the mortar and its personnel.... | 11/02/2010 |
| 7821447 | Bias adjustment of radio frequency unit in radar apparatus Disclosed is a method of bias adjustment for a millimeter wave radar apparatus that can efficiently and highly accurately adjust the bias of an MMIC used in a radio frequency circuit in the millimeter wave radar apparatus. The method comprises: providing a DA conver... | 10/26/2010 |
| 7786928 | Monostatic planar multi-beam radar sensor A monostatic multi-beam radar sensor for motor vehicles, having a group antenna, a planar lens having multiple inputs, and a homodyne mixer system, wherein the mixer system comprises multiple transfer mixers that are connected in parallel to the inputs of the lens. | 08/31/2010 |
| 7760134 | Radar apparatus and method of measuring azimuth angle of target A radar apparatus capable of determining the position of targets at a high accuracy even when plural objects of an identical relative velocity are present in a detection view field of the radar, using signal processing of obtaining an effect which is similar with th... | 07/20/2010 |
| 7714777 | Semiconductor device for spread spectrum radar apparatus Provided is a semiconductor device for a spread spectrum radar apparatus which suppresses spurious signals resulting from non-linearity of active elements. The semiconductor device as the inverse spread spectrum modulation unit for the spread spectrum radar apparatu... | 05/11/2010 |
| 7642952 | Spread spectrum radar apparatus A spread spectrum radar apparatus includes: a transmission unit which generates a spread signal that is a spectrum-spread signal, using a first oscillator signal, a second oscillator signal, and a transmission PN code, and which emits the spread signal as a detectio... | 01/05/2010 |
| 7623063 | System for simultaneously transmitting multiple signals through each element of a radar array In conventional phased array antennas, multiple signals that perform different functions, such as radar, electronic warfare (EW) and telecommunications, can each be simultaneously transmitted only through a different sub-aperture of the array. For maximum power and ... | 11/24/2009 |
| 7609199 | Radar apparatus A radar apparatus includes a PN code generator for generating a PN code, a variable delay device for delaying the PN code, an oscillator for generating a high-frequency signal, a transmission frequency multiplier for multiplying a frequency of a transmission differe... | 10/27/2009 |
| 7602333 | Transmitting/receiving antenna, isolator, high-frequency oscillator, and high-frequency transmitter-receiver using the same A millimeter-wave transmitter-receiver uses an NRD guide as a fundamental configuration and includes a millimeter-wave signal oscillator, a pulse modulator, a circulator, an antenna and a mixer. In the millimeter-wave transmitter-receiver, a line length of a third d... | 10/13/2009 |
| 7586437 | Efficient methods for wideband circular and linear array processing The objective of this patent is to develop new signal processing algorithms for a wide-band circular electronically scanned array (CESA) or a wideband linear electronically scanned array (LESA) for use in surveillance and communications applications, where a sequenc... | 09/08/2009 |
| 7576687 | RF front-end circuitry with reduced DC offset An RF front-end circuit includes a directional coupler, a mixer, and a reflection circuit. The directional coupler is adapted to receive an antenna signal and an oscillator signal. The mixer is coupled to the directional coupler to receive the antenna signal and is ... | 08/18/2009 |
| 7573420 | RF front-end for a radar system An RF sender/receiver front-end is disclosed comprising a terminal for receiving an oscillator signal, at least one distribution unit for distributing the oscillator signal into different signal paths, two or more mixer-arrangements for sending a transmit-signal or ... | 08/11/2009 |
| 7567206 | Integrated circuit for measuring the distance and/or velocity of objects An integrated circuit for measuring the distance and/or velocity of objects, having: a high-frequency signal generating device for generating a first HF signal having a predefined frequency and a predefined modulation curve from at least one LF signal; a diplex/mixi... | 07/28/2009 |
| 7548191 | Radar oscillator capable of preventing leak of oscillation output In order to enable intermittent output of an oscillation signal without essentially producing a leak in response to a pulse signal indicating a transmission timing of a radar wave, a radar oscillator is provided which employs a configuration in which an operation of... | 06/16/2009 |
| 7548190 | Obstacle sensor operating by collimation and focusing of the emitted wave An obstacle sensor operating by collimation and focusing of the emitted wave comprises: a device (I) for insulating the electromagnetic waves emitted by a generator (1); a device for the automatic control (12, 12′) of the transmitter and of the senso... | 06/16/2009 |
| 7545314 | UWB signal transmitter for radars and sensors The present invention relates to a UWB radio transmission module including a UWB signal generation circuit. The UWB signal generation circuit controls the power consumption outputs according to a power supply opening/closing mode, and is connected to a common resona... | 06/09/2009 |
| 7541972 | RF attenuation circuit An RF receiving circuit that selectively attenuates a received RF signal before it reaches sensitive modifying devices, such as a low noise amplifier or an analog to digital converter. The receiving circuit includes a delay element upstream of its attenuator so that... | 06/02/2009 |
