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Class Information
Number: 342/130
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > With frequency modulation > Plural modulation
Description: Subject matter wherein the radar carrier signal is modified by more than one modifying signal.

Sub-classes under this class:

Class Number Class Name Patents
342/131 Combined with pulse modulation (e.g., frequency agile) 73

Patents under this class:
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Patent Number Title Of Patent Date Issued
8704704 Motor vehicle radar system, and method for determining speeds and distances of objects Apr. 22, 2014
8665139 Distance measuring apparatus and distance measuring method Mar. 4, 2014
8531330 Method and device for recognizing PRI modulation type of radar signal Sep. 10, 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
8391336 Variable length ranging and direction-finding signals constructed from bandlimited kernels and sparse spreading sequences Mar. 5, 2013
8384587 Radar for aerial target detection fitted to an aircraft notably for the avoidance of obstacles in flight Feb. 26, 2013
8164511 Signal processing device, radar device, vehicle control device, and signal processing method Apr. 24, 2012
8138961 Step frequency ISAR Mar. 20, 2012
8098191 Electronic curtain for vehicle protection Jan. 17, 2012
8018372 Spread spectrum radar apparatus, method for determining virtual image, and method for suppressing virtual image Sep. 13, 2011
8018374 Radar Sep. 13, 2011
7952515 Range gated holographic radar May. 31, 2011
7884755 Filling level radar with variable transmitting power Feb. 8, 2011
7782245 Radar system Aug. 24, 2010
7719460 Radar device May. 18, 2010
7667637 System and method for radar detection of an object Feb. 23, 2010
7602331 Computationally efficient adaptive radar pulse compression system Oct. 13, 2009
7598900 Multi-spot inverse synthetic aperture radar imaging Oct. 6, 2009
7567202 Radar system Jul. 28, 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
7508337 Radar apparatus and signal processing method Mar. 24, 2009
7504986 Blind spot sensor system Mar. 17, 2009
7460057 Filling level radar with variable transmitting power Dec. 2, 2008
7352320 FM-CW radar Apr. 1, 2008
7148840 Radar apparatus, radar apparatus controlling method Dec. 12, 2006
7145502 Distance measurement method and device Dec. 5, 2006
7142153 Short pulse/stepped frequency radar system Nov. 28, 2006
7138939 Radar Nov. 21, 2006
7136013 Radio-wave radar system and adaptive cruise control system Nov. 14, 2006
7079071 Radar apparatus Jul. 18, 2006
7023377 Noise modulated remote distance measurement Apr. 4, 2006
7023378 Self-calibrating wideband phase continuous synthesizer and associated methods Apr. 4, 2006
7012561 Device and method for registering, detecting, and/or analyzing at least one object Mar. 14, 2006
7006033 Pulse radar apparatus Feb. 28, 2006
7002511 Millimeter wave pulsed radar system Feb. 21, 2006
6989782 Ultra-wideband radar system using sub-band coded pulses Jan. 24, 2006
6965341 High resolution SAR processing using stepped-frequency chirp waveform Nov. 15, 2005
6894641 Radar system mounted on vehicle May. 17, 2005
6864832 Method and device for determining separation and relative speed of a distant object Mar. 8, 2005
6861974 Clutter normalization by adaptation of transmit waveform Mar. 1, 2005
6859165 Pulse radar device Feb. 22, 2005
6839019 Pulse radar device Jan. 4, 2005
6822605 Radar device and method for coding a radar device Nov. 23, 2004
6693582 Radar device and method for coding a radar device Feb. 17, 2004
6686871 Method for HPRF-radar measurement Feb. 3, 2004
6674393 FM-CW radar processing device Jan. 6, 2004
6664919 Radar device Dec. 16, 2003
6657582 Radar apparatus capable of measuring a plurality of objects that are in close proximity Dec. 2, 2003
6624783 Digital array stretch processor employing two delays Sep. 23, 2003

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