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Class Information
Number: 342/154
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Monopulse > Combined with beam steering
Description: Subject matter including control of which direction the signal is emanating from the antenna by varying the phase or frequency of the signal.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8593334 Split aperture monopulse antenna system Nov. 26, 2013
8547275 Active electronically scanned array antenna for hemispherical scan coverage Oct. 1, 2013
8547206 Apparatus, method and program for detecting direction of noncontact IC medium and computer-readable recording medium having the program recorded thereon Oct. 1, 2013
8468414 Method and apparatus for a wireless mobile system implementing beam steering phase array antenna Jun. 18, 2013
8461965 Portable radio frequency identification (RFID) reader Jun. 11, 2013
8446312 Electronic scanning type radar device, estimation method of direction of reception wave, and program estimating direction of reception wave May. 21, 2013
8384588 Beam stabilization for wideband phase comparison monopulse angle estimation with electronically steered antennas Feb. 26, 2013
8344939 Radar sensor for motor vehicles Jan. 1, 2013
8289203 Radar architecture Oct. 16, 2012
8258997 Radar device for detecting or tracking aerial targets fitted to an aircraft Sep. 4, 2012
8049660 Radar apparatus configured to suppress effects of grating lobes upon detection of direction of target based on phase difference between received reflected waves Nov. 1, 2011
8009082 Mobile radar and planar antenna Aug. 30, 2011
7994965 Surveillance apparatus and method Aug. 9, 2011
7952513 Counter target acquisition radar and acoustic adjunct for classification May. 31, 2011
7876263 Asymmetrically thinned active array TR module and antenna architecture Jan. 25, 2011
7756471 Systems and methods for multi-element antenna arrays with aperture control shutters Jul. 13, 2010
7663533 Radar system for motor vehicles Feb. 16, 2010
7663546 Real-time autonomous beam steering array for satellite communications Feb. 16, 2010
7653118 Chirped surface acoustic wave (SAW) correlator/expander Jan. 26, 2010
7620094 Spread spectrum clock generator Nov. 17, 2009
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7586992 Apparatus and method for channel estimation and cyclic prefix reconstruction in an OFDM-STBC mobile communication system Sep. 8, 2009
7586972 Code division multiple access enhanced capacity system Sep. 8, 2009
7555029 Method for decoding a plurality of standard radio waves and standard radio wave receiver Jun. 30, 2009
7551665 Ultra wideband receiver architecture using high order Gaussian pulses and method of operation Jun. 23, 2009
7519097 Spread-signal multiplexing circuit Apr. 14, 2009
7508863 Method of processing multi-path signals Mar. 24, 2009
7505506 System and method for generating single sideband, constant envelope, spread spectrum signals with multiple spreading codes Mar. 17, 2009
7460834 Method and apparatus for utilizing a directional beam antenna in a wireless transmit/receive unit Dec. 2, 2008
7426386 Beam laydown for hopped satellite downlink with adaptable duty cycle Sep. 16, 2008
7417584 Monopulse radar estimation of target altitude at low angles of elevation Aug. 26, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7342535 Beam-forming apparatus and method using a spatial interpolation based on regular spatial sampling Mar. 11, 2008
7340277 Adaptive antenna for controlling the weighting on a plurality of antenna elements Mar. 4, 2008
7333835 Method and apparatus for providing user specific downlink beamforming in a fixed beam network Feb. 19, 2008
7250902 Method of generating accurate estimates of azimuth and elevation angles of a target for a phased--phased array rotating radar Jul. 31, 2007
7248217 Average EIRP control of multiple antenna transmission signals Jul. 24, 2007
7248215 Beam architecture for improving angular resolution Jul. 24, 2007
7236759 Method for steering smart antenna beams for a WLAN using signal and link quality metrics Jun. 26, 2007
7081847 Radar system with switchable angular resolution Jul. 25, 2006
7054664 Method and apparatus for providing user specific downlink beamforming in a fixed beam network May. 30, 2006
7038615 Efficient technique for estimating elevation angle when using a broad beam for search in a radar May. 2, 2006
6856284 Methods and apparatus for multi-beam, multi-signal transmission for active phased array antenna Feb. 15, 2005
6853329 Monopulse radar system Feb. 8, 2005
6850737 Antenna direction finding in mobile phones Feb. 1, 2005
6836674 Method of controlling directional antenna and apparatus of the same Dec. 28, 2004
6750810 Monopulse radar system Jun. 15, 2004
6667712 Downlink load sharing by nulling, beam steering and beam selection Dec. 23, 2003
6653973 Adaptive digital beamforming radar method and system for maintaining multiple source angle super-resolution capability in jamming Nov. 25, 2003

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