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Class Information
Number: 342/137
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > With pulse modulation > With variable pulse repetition frequency (prf) or pulse width
Description: Subject matter including changing the rate of the pulse transmission or the width of the pulse transmissions from the radar source.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605744 |
Method for extension of unambiguous range and velocity of a weather radar |
Oct. 20, 2009 |
| 7576683 |
Methods and systems for reducing interference caused by antenna leakage signals |
Aug. 18, 2009 |
| 7518547 |
Method and system of interference detection for radar altimeters |
Apr. 14, 2009 |
| 7466261 |
Method and system for radio detection and ranging intrusion detection system |
Dec. 16, 2008 |
| 7420504 |
Method of operating a multibeam radar |
Sep. 2, 2008 |
| 7327305 |
Process for the evaluation of signals in an SAR/MTI pulsed radar system |
Feb. 5, 2008 |
| 7304604 |
Radar sensor and method for operating a radar sensor |
Dec. 4, 2007 |
| 7245252 |
Method for determining the distance between two transmitting and receiving stations |
Jul. 17, 2007 |
| 7236120 |
Ultra-wideband detector systems for detecting moisture in building walls |
Jun. 26, 2007 |
| 7233279 |
Method and device for distance measurement by pulse radar |
Jun. 19, 2007 |
| 7215278 |
Radar frequency hopping |
May. 8, 2007 |
| 7199752 |
Phased null radar |
Apr. 3, 2007 |
| 7199747 |
Generating a fine time offset using a SiGe pulse generator |
Apr. 3, 2007 |
| 7167125 |
Pulse radar arrangement |
Jan. 23, 2007 |
| 7158077 |
Radar device and method for suppressing interference with a radar device |
Jan. 2, 2007 |
| 7151481 |
Method for detecting targets and determining their distance via an HPRF radar system |
Dec. 19, 2006 |
| 7136014 |
System and method for estimating the azimuth pointing angle of a moving monopulse antenna |
Nov. 14, 2006 |
| 7136013 |
Radio-wave radar system and adaptive cruise control system |
Nov. 14, 2006 |
| 7126526 |
Phased null radar |
Oct. 24, 2006 |
| 7109916 |
Device for, in particular bistatic radar applications |
Sep. 19, 2006 |
| 7095363 |
Pulse radar apparatus |
Aug. 22, 2006 |
| 7081850 |
Coherent detection of ultra wideband waveforms |
Jul. 25, 2006 |
| 7064704 |
Apparatus for radar |
Jun. 20, 2006 |
| 7053814 |
RF lightwave coding system for radar pulse compression |
May. 30, 2006 |
| 7053818 |
Method for simple and multipurpose tracking |
May. 30, 2006 |
| 7019683 |
Shipping container security system |
Mar. 28, 2006 |
| 6989781 |
Short-range radar system with variable pulse duration |
Jan. 24, 2006 |
| 6975264 |
Signal separating system |
Dec. 13, 2005 |
| 6956522 |
Pulse radar system |
Oct. 18, 2005 |
| 6940449 |
Method for eliminating dummy objects short-range pulse radar sensors |
Sep. 6, 2005 |
| 6861974 |
Clutter normalization by adaptation of transmit waveform |
Mar. 1, 2005 |
| 6850552 |
Iterative precision spectrum analysis |
Feb. 1, 2005 |
| 6844842 |
Method for pulse width modulation of a radar system |
Jan. 18, 2005 |
| 6771205 |
Shipboard point defense system and elements therefor |
Aug. 3, 2004 |
| 6753802 |
Null filter |
Jun. 22, 2004 |
| 6720909 |
Radar apparatus |
Apr. 13, 2004 |
| 6646587 |
Doppler radar apparatus |
Nov. 11, 2003 |
| 6639546 |
Radar system in which range ambiguity and range eclipsing are reduced by frequency diversity and alternation of pulse periodicity |
Oct. 28, 2003 |
| 6621450 |
Method of selecting a pulse repetition frequency to detect, track or search for a target |
Sep. 16, 2003 |
| 6614388 |
Sensor array having a pulse echo radar |
Sep. 2, 2003 |
| 6509864 |
Distance measuring device and method for calibrating a distance measuring device |
Jan. 21, 2003 |
| 6480142 |
Method and apparatus for measuring velocity and turbulence of atmospheric flows |
Nov. 12, 2002 |
| 6476758 |
Flexible digital ranging system and method |
Nov. 5, 2002 |
| 6446005 |
Magnetic wheel sensor for vehicle navigation system |
Sep. 3, 2002 |
| 6373427 |
Radar distance measuring device |
Apr. 16, 2002 |
| 6326917 |
Scanner-control device |
Dec. 4, 2001 |
| 6232912 |
Method for detecting a target by means of a high pulse repetition frequency radar system |
May. 15, 2001 |
| 6232913 |
Method and system for measuring radar reflectivity and doppler shift by means of a pulse radar |
May. 15, 2001 |
| 6225943 |
Method of operating pulse radar |
May. 1, 2001 |
| 6111537 |
Method for reducing false target echo indications |
Aug. 29, 2000 |
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