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Class Information
Number: 342/123
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Height finder
Description: Subject matter including determining the distance from the earth"s surface to an aircraft from the ground.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7379016 |
Carrier phase detection system for radar sensors |
May. 27, 2008 |
| 7330147 |
System and method for ground proximity warning with enhanced obstacle depiction |
Feb. 12, 2008 |
| 7307577 |
Storm top detection |
Dec. 11, 2007 |
| 7304601 |
Device and a method for accurate radar level gauging |
Dec. 4, 2007 |
| 7295150 |
Methods and systems for identifying high-quality phase angle measurements in an interferometric radar system |
Nov. 13, 2007 |
| 7265710 |
Multipath height finding method |
Sep. 4, 2007 |
| 7239265 |
Method for evaluating and controlling a radar installation |
Jul. 3, 2007 |
| 7218268 |
Self-calibrating interferometric synthetic aperture radar altimeter |
May. 15, 2007 |
| 7167126 |
Radar system and method for determining the height of an object |
Jan. 23, 2007 |
| 7148837 |
System and method for ground proximity warning with enhanced obstacle depiction |
Dec. 12, 2006 |
| 7130449 |
Method and system for ground imaging |
Oct. 31, 2006 |
| 7064703 |
Methods and apparatus for randomly modulating radar altimeters |
Jun. 20, 2006 |
| 7038615 |
Efficient technique for estimating elevation angle when using a broad beam for search in a radar |
May. 2, 2006 |
| 6980153 |
Radar altimeter for helicopter load carrying operations |
Dec. 27, 2005 |
| 6933879 |
Method and system for localizing a target in an interrogation-response system |
Aug. 23, 2005 |
| 6911932 |
Two antenna, two pass interferometric synthetic aperture radar |
Jun. 28, 2005 |
| 6864830 |
Device and method for alert and density altitude features in a transponder |
Mar. 8, 2005 |
| 6819285 |
Monopulse radar system for determining the height of a target |
Nov. 16, 2004 |
| 6795014 |
Method and apparatus for detecting vehicle distance |
Sep. 21, 2004 |
| 6791488 |
Method and apparatus for measuring ground height |
Sep. 14, 2004 |
| 6593875 |
Site-specific doppler navigation system for back-up and verification of GPS |
Jul. 15, 2003 |
| 6486826 |
Arrangement for the precise distance measuring, in particular the filling level measuring |
Nov. 26, 2002 |
| 6429804 |
Motor-vehicle-mounted radar apparatus |
Aug. 6, 2002 |
| 6414745 |
Method and apparatus for determining the relative height of two targets |
Jul. 2, 2002 |
| 6414627 |
Homodyne swept-range radar |
Jul. 2, 2002 |
| 6266005 |
Method for processing radar signals |
Jul. 24, 2001 |
| 6229473 |
Arrangements for the one-dimensional or multi-dimensional determination of the position of a load suspension point in hoists |
May. 8, 2001 |
| 6157891 |
Positioning and ground proximity warning method and system thereof for vehicle |
Dec. 5, 2000 |
| 6137438 |
Precision short-range pulse-echo systems with automatic pulse detectors |
Oct. 24, 2000 |
| 6130637 |
Measuring the thickness of hot slag in steelmaking |
Oct. 10, 2000 |
| 5923283 |
Altimetric type measurement method for use on a satellite |
Jul. 13, 1999 |
| 5867119 |
Precision height measuring device |
Feb. 2, 1999 |
| 5831563 |
Improved height above target (hat) measurement algorithm |
Nov. 3, 1998 |
| 5734346 |
Method of an apparatus for detecting the displacement of a target |
Mar. 31, 1998 |
| 5703594 |
Method for remotely detecting tides and the height of other surfaces |
Dec. 30, 1997 |
| 5652592 |
Radio location with enhanced Z-axis determination |
Jul. 29, 1997 |
| 5557282 |
Height finding antenna apparatus and method of operation |
Sep. 17, 1996 |
| 5448241 |
Terrain height radar |
Sep. 5, 1995 |
| 5442360 |
Echo distance-measuring system with calibration apparatus |
Aug. 15, 1995 |
| 5434574 |
System for detecting an altitude of a vehicle dependent on a global positioning system |
Jul. 18, 1995 |
| 5278564 |
Method and apparatus for the determination of the height of a target |
Jan. 11, 1994 |
| 4953972 |
Range dispersion sensor |
Sep. 4, 1990 |
| 4649389 |
Stacked beam radar and target height measurement extractor especially for use therein |
Mar. 10, 1987 |
| 4595925 |
Altitude determining radar using multipath discrimination |
Jun. 17, 1986 |
| 4588992 |
Radar tracking system and display |
May. 13, 1986 |
| 4538150 |
Self-calibration of stacked beam radar |
Aug. 27, 1985 |
| 4342997 |
Array modification that adds height capability to a 2D array radar |
Aug. 3, 1982 |
| 4318102 |
Intrusion detection system having look-up sensor instrumentation for intrusion range and altitude measurements |
Mar. 2, 1982 |
| 4158840 |
3-D Radar comprising 2-D radar with height finding attachment |
Jun. 19, 1979 |
| 4150378 |
Height finding radar |
Apr. 17, 1979 |
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