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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:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692983 Optical, laser-based, or lidar measuring systems and method Apr. 8, 2014
8660219 Circuit and method for distinguishing between an OFDM signal and a radar signal Feb. 25, 2014
8654005 Methods for resolving radar ambiguities using multiple hypothesis tracking Feb. 18, 2014
8625082 Display apparatus Jan. 7, 2014
8588270 Architecture for ultra-wideband radio Nov. 19, 2013
8531330 Method and device for recognizing PRI modulation type of radar signal Sep. 10, 2013
8432309 Automotive radar system and method for using same Apr. 30, 2013
8410976 Frequency-modulated interrupted continuous wave radar using pulses derived from a frequency-modulated signal in which the rate of frequency change increases at the boundary of a pulse repetiti Apr. 2, 2013
8369442 Communicating a signal according to ASK modulation and PSK modulation Feb. 5, 2013
8351483 Architecture for ultra-wideband radio Jan. 8, 2013
8344942 System and method for resolving ambiguity in radar, lidar, and acoustic systems Jan. 1, 2013
8334800 On-vehicle radar device Dec. 18, 2012
8207885 Adjustable pulse width ground penetrating radar Jun. 26, 2012
8184040 Radar device and a method of detecting a target object using radar May. 22, 2012
8138961 Step frequency ISAR Mar. 20, 2012
8115672 Method of measuring distance, notably for short-range radar Feb. 14, 2012
8077074 Networked waveform system Dec. 13, 2011
8044844 Pulsed radar level gauge system and method for energy efficient filling level determination Oct. 25, 2011
8031106 Object ranging Oct. 4, 2011
8026840 Biometric radar system and method for identifying persons and positional states of persons Sep. 27, 2011
8014483 Method of acquiring initial synchronization in impulse wireless communication and receiver Sep. 6, 2011
8009080 Weather radar and weather observation method Aug. 30, 2011
7965226 Agile beam pulse to pulse interleaved radar modes Jun. 21, 2011
7956798 Radar apparatus and radar picture display method Jun. 7, 2011
7952515 Range gated holographic radar May. 31, 2011
7864106 Pulse doppler coherent radar or ultrasound detection method and system for SNR enhancement Jan. 4, 2011
7852261 Tracking waveform selection for multi-function radar Dec. 14, 2010
7800528 Radar level gauge with variable pulse parameters Sep. 21, 2010
7773028 Method and system for concatenation of radar pulses Aug. 10, 2010
7760130 Method and system for presence detection Jul. 20, 2010
7755538 Radar apparatus Jul. 13, 2010
7750838 Measuring device Jul. 6, 2010
7746270 Radar apparatus and radar tuning method Jun. 29, 2010
7728765 Method and apparatus for clutter filtering staggered pulse repetition time signals Jun. 1, 2010
7705766 Synthetic aperture radar Apr. 27, 2010
7688257 Marine radar systems and methods Mar. 30, 2010
7683825 Method and apparatus for measuring distance between a target and a receiver in a ranging system Mar. 23, 2010
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
7199747 Generating a fine time offset using a SiGe pulse generator Apr. 3, 2007
7199752 Phased null radar Apr. 3, 2007

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