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Class Information
Number: 342/112
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining velocity > Combined with determining distance > With plural frequencies transmission
Description: Subject matter including transmitting two or more discrete frequencies and determining distance from changes in each of the received frequencies.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616148 |
Microwave smart motion sensor for security applications |
Nov. 10, 2009 |
| 7605744 |
Method for extension of unambiguous range and velocity of a weather radar |
Oct. 20, 2009 |
| 7508337 |
Radar apparatus and signal processing method |
Mar. 24, 2009 |
| 7492309 |
Frequency shift keying radar with ambiguity detection |
Feb. 17, 2009 |
| 7327307 |
Radar system with adaptive waveform processing and methods for adaptively controlling the shape of a radar ambiguity function |
Feb. 5, 2008 |
| 7183968 |
FM-CW radar system |
Feb. 27, 2007 |
| 7151476 |
Radar system having a beamless emission signature |
Dec. 19, 2006 |
| 7136013 |
Radio-wave radar system and adaptive cruise control system |
Nov. 14, 2006 |
| 7071868 |
Radar detection method and apparatus |
Jul. 4, 2006 |
| 7023377 |
Noise modulated remote distance measurement |
Apr. 4, 2006 |
| 6972710 |
Automotive radio wave radar and signal processing |
Dec. 6, 2005 |
| 6933878 |
Wide bandwidth radar |
Aug. 23, 2005 |
| 6828929 |
Technique for non-coherent integration of targets with ambiguous velocities |
Dec. 7, 2004 |
| 6703967 |
Distance measuring device |
Mar. 9, 2004 |
| 6674393 |
FM-CW radar processing device |
Jan. 6, 2004 |
| 6657582 |
Radar apparatus capable of measuring a plurality of objects that are in close proximity |
Dec. 2, 2003 |
| 6606052 |
Method and apparatus for detecting multiple objects with frequency modulated continuous wave radar |
Aug. 12, 2003 |
| 6434506 |
Process for determining the relative velocity between two moving objects |
Aug. 13, 2002 |
| 6184817 |
Master frequency generator |
Feb. 6, 2001 |
| 6127965 |
Method and apparatus for rejecting rain clutter in a radar system |
Oct. 3, 2000 |
| 6023238 |
Method and device for the removal of ambiguity in distance, applied especially to frequency-shift keying continuous-wave radars |
Feb. 8, 2000 |
| 5963163 |
Method and device for frequency-modulated continuous-wave radar detection with removal of ambiguity between distance and speed |
Oct. 5, 1999 |
| 5955985 |
Device for the reduction of noise in a radar receiver |
Sep. 21, 1999 |
| 5945939 |
Multibeam FM radar system |
Aug. 31, 1999 |
| 5905458 |
FM radar apparatus |
May. 18, 1999 |
| 5751241 |
Method and apparatus for measuring the speed of a moving body |
May. 12, 1998 |
| 5677695 |
Radar apparatus for detecting a distance/velocity |
Oct. 14, 1997 |
| 5646623 |
Coherent, frequency multiplexed radar |
Jul. 8, 1997 |
| 5606324 |
Radar system |
Feb. 25, 1997 |
| 5481268 |
Doppler radar system for automotive vehicles |
Jan. 2, 1996 |
| 5381153 |
Portable FM-CW radar device with frequency conversion by first and second frequencies |
Jan. 10, 1995 |
| 5285207 |
Multi-frequency automatic radar system |
Feb. 8, 1994 |
| 5276453 |
Method for ambiguity resolution in range-Doppler measurements |
Jan. 4, 1994 |
| 5222100 |
Range based acquisition system |
Jun. 22, 1993 |
| 5136298 |
Microwave range detector system |
Aug. 4, 1992 |
| 5079556 |
Coherent pulse radar system |
Jan. 7, 1992 |
| 4851851 |
Method for measuring the distance and/or the relative velocity between two objects |
Jul. 25, 1989 |
| 4740045 |
Multiple parameter doppler radar |
Apr. 26, 1988 |
| 4426647 |
Radar arrangement for measuring velocity of an object |
Jan. 17, 1984 |
| 4388622 |
Double sideband linear frequency modulation system for radar applications |
Jun. 14, 1983 |
| 4188630 |
Method of and system for avoiding collisions between aircraft |
Feb. 12, 1980 |
| 4101888 |
Anticollision car radar |
Jul. 18, 1978 |
| 4087815 |
Hybrid digital-optical radar signal processor |
May. 2, 1978 |
| 4078235 |
Obstacle detecting system |
Mar. 7, 1978 |
| 3978481 |
Anti-collision vehicular radar system |
Aug. 31, 1976 |
| 3952303 |
Doppler radar for forecasting collision |
Apr. 20, 1976 |
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