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Class Information
Number: 342/126
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Triangulation
Description: Subject matter including distance determination be radar derived procedures of finding the location of a third point by taking bearings from two fixed points a known distance apart from each other or the third point; or by determining the distance from a third point to two known points.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7612708 RF system for tracking objects Nov. 3, 2009
7602329 Systems and methods of tracking and/or avoiding harm to certain devices or humans Oct. 13, 2009
7592944 System and method for intrusion detection using a time domain radar array Sep. 22, 2009
7590720 Systems and methods for locating geographical regions of mobile computer users Sep. 15, 2009
7580995 Systems and methods for locating mobile computer users in a wireless network Aug. 25, 2009
7573418 Tag communication apparatus, control method for tag communication apparatus, computer readable medium for tag communication control and tag communication control system Aug. 11, 2009
7573419 Method and system for unambiguous angle resolution of a sparse wide-band antenna array Aug. 11, 2009
7558851 Locating a mobile computing unit Jul. 7, 2009
7548731 Method to reduce power consumption of static wireless beacons and cost of infrastructure Jun. 16, 2009
7545311 Method and system for predicting air-to-surface target missile Jun. 9, 2009
7545312 Target detection device and its detection method Jun. 9, 2009
7541968 System and method for detecting an intruder using impulse radio technology Jun. 2, 2009
7538716 System and method for location determination using time differences May. 26, 2009
7515090 High-frequency position/path sensor for detecting the approach of an object and method for detecting the approach of an object Apr. 7, 2009
7515874 Directivity optimization for short-range wireless mobile communication systems Apr. 7, 2009
7479891 Device for rescue and safety for swimming pools and leisure parks Jan. 20, 2009
7466262 Positioning system with a sparse antenna array Dec. 16, 2008
7427945 Positioning system with co-polarized and cross-polarized mapping Sep. 23, 2008
7423580 Method and system of three-dimensional positional finding Sep. 9, 2008
7417581 System and method for intrusion detection using a time domain radar array Aug. 26, 2008
7385551 Polarization sensitive synthetic aperture radar system and method for local positioning Jun. 10, 2008
7379015 First responder positioning apparatus May. 27, 2008
7379744 Positioning system, positioning method, and positioning server May. 27, 2008
7375675 Method and system for multiple target class data recording, processing and display for over-the-horizon radar May. 20, 2008
7369941 Collision detection system and method of estimating target crossing location May. 6, 2008
7358888 System and method for intrusion detection using a time domain radar array Apr. 15, 2008
7345582 Methods for detecting, computing and disseminating location information of weapons of mass destruction Mar. 18, 2008
7345621 Real-time multistatic radar signal processing system and method Mar. 18, 2008
7333049 Waveform ambiguity optimization for bistatic radar operation Feb. 19, 2008
7327306 RF system for tracking objects Feb. 5, 2008
7321330 Ball measuring apparatus Jan. 22, 2008
7315275 Positioning system with intentional multi-path signal Jan. 1, 2008
7304609 Hybrid wireless ranging system and associated methods Dec. 4, 2007
7298255 Sensory systems employing non-uniformly spaced waveguide sensors for determining orientation and rotational speed of objects Nov. 20, 2007
7295158 System and method for real time effects automation Nov. 13, 2007
7295154 Vehicle obstacle warning radar Nov. 13, 2007
7292179 Instantaneous passive range finding Nov. 6, 2007
7277046 Single transmit multi-receiver modulation radar, multi-modulation receiver and method Oct. 2, 2007
7269427 Transmitter location for ultra-wideband, transmitted-reference CDMA communication system Sep. 11, 2007
7268723 System and method for locating targets using measurements from a space based radar Sep. 11, 2007
7263369 Distance determination method for use by devices in a wireless network Aug. 28, 2007
7257413 Dynamic location almanac for wireless base stations Aug. 14, 2007
7250901 Synthetic aperture radar system and method for local positioning Jul. 31, 2007
7248882 Distance determination apparatus for use devices in a wireless network Jul. 24, 2007
7205930 Instantaneous 3--D target location resolution utilizing only bistatic range measurement in a multistatic system Apr. 17, 2007
7199750 Real-time multistatic radar signal processing system and method Apr. 3, 2007
7170441 Target localization using TDOA distributed antenna Jan. 30, 2007
7151480 Method and system of triangulating an object Dec. 19, 2006
7148839 Operational bistatic radar system synchronization Dec. 12, 2006
7142147 Method and apparatus for detecting, locating, and identifying microwave transmitters and receivers at distant locations Nov. 28, 2006

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