| |
 |
|
Class Information
Number: 342/122
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > Altimeter > Fm type
Description: Subject matter wherein the radar altimeter carrier signal is frequency modified.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7295151 |
Systems and methods for self-test of a radar altimeter |
Nov. 13, 2007 |
| 7259713 |
Ranging systems |
Aug. 21, 2007 |
| 7248342 |
Three-dimension imaging lidar |
Jul. 24, 2007 |
| 7239266 |
Radar altimeter |
Jul. 3, 2007 |
| 7161527 |
Navigation system |
Jan. 9, 2007 |
| 6992614 |
Radar altimeter |
Jan. 31, 2006 |
| 6977611 |
FM-CW altimeter detector |
Dec. 20, 2005 |
| 6897803 |
Radar altimeter with forward ranging capabilities |
May. 24, 2005 |
| 6812885 |
Radio altimeter test method and apparatus |
Nov. 2, 2004 |
| 6761064 |
Movement-detecting altimeter |
Jul. 13, 2004 |
| 6753806 |
Methods and apparatus to compensate for zero Doppler returns |
Jun. 22, 2004 |
| 6750807 |
Radar altimeter with forward obstacle avoidance capabilities |
Jun. 15, 2004 |
| 6744397 |
Systems and methods for target location |
Jun. 1, 2004 |
| 6731234 |
Radar anti-fade systems and methods |
May. 4, 2004 |
| 6486826 |
Arrangement for the precise distance measuring, in particular the filling level measuring |
Nov. 26, 2002 |
| 6476759 |
Method for the calibration of an FM/CW type radio altimeter, and radio altimeter designed for the implementation of this method |
Nov. 5, 2002 |
| 6437730 |
Method for checking an fm/cw type radio altimeter, and radio altimeter designed for the implementation of this method |
Aug. 20, 2002 |
| 6426717 |
Single antenna FM radio altimeter operating in a continuous wave mode and an interrupted continuous wave mode |
Jul. 30, 2002 |
| 6384770 |
Linearizing device for a frequency-modulation ramp and its application to a radio altimeter |
May. 7, 2002 |
| 6255982 |
Method of characterization of an overflown ground from a FM/CW radio altimeter signal |
Jul. 3, 2001 |
| 6255984 |
Sensor system |
Jul. 3, 2001 |
| 5999118 |
Method of spectral analysis, FM/CW type radio altimeter with digital processing |
Dec. 7, 1999 |
| 5963509 |
Method and device for distance measurement |
Oct. 5, 1999 |
| 5923283 |
Altimetric type measurement method for use on a satellite |
Jul. 13, 1999 |
| 5781148 |
Continuous wave radar altimeter |
Jul. 14, 1998 |
| 5719581 |
Low-cost radio altimeter |
Feb. 17, 1998 |
| 5477226 |
Low cost radar altimeter with accuracy enhancement |
Dec. 19, 1995 |
| 5442361 |
Microwave transceiver using a reflection pumped mixer |
Aug. 15, 1995 |
| 5387917 |
Radar fuze |
Feb. 7, 1995 |
| 5315258 |
Method and apparatus for determining the moisture content of a material |
May. 24, 1994 |
| 5072223 |
Radar system for measuring the nearest distance to an object |
Dec. 10, 1991 |
| 5047778 |
FMCW radar range tracker and method |
Sep. 10, 1991 |
| 5047779 |
Aircraft radar altimeter with multiple target tracking capability |
Sep. 10, 1991 |
| 5046010 |
Fixed-echo cancelling radio altimeter and method of operating same |
Sep. 3, 1991 |
| 5016016 |
Volume-scattered echo discrimination device for FM/CW range measuring radar and use in a radio altimeter |
May. 14, 1991 |
| 5014063 |
Integrated altimeter and doppler velocity sensor arrangement |
May. 7, 1991 |
| 4973967 |
Radioaltimeter type of detector and a proximity fuse equipped with such a detector |
Nov. 27, 1990 |
| 4958161 |
Frequency-modulated continuous-wave radar altimeter system |
Sep. 18, 1990 |
| 4947354 |
Measuring apparatus for detecting the distance "H" to an object |
Aug. 7, 1990 |
| 4945360 |
Radar altimeter |
Jul. 31, 1990 |
| 4912472 |
FM-CW radar apparatus |
Mar. 27, 1990 |
| 4857935 |
RF circuit arrangement |
Aug. 15, 1989 |
| 4812035 |
AM-FM laser radar |
Mar. 14, 1989 |
| 4806935 |
Closed loop velocity/altitude sensor for FM-CW doppler radars |
Feb. 21, 1989 |
| 4766436 |
Radar device for measuring the distance of the device to a surface |
Aug. 23, 1988 |
| 4758839 |
Terrain profile radar system |
Jul. 19, 1988 |
| 4739330 |
Frequency modulation radio altimeter |
Apr. 19, 1988 |
| 4733239 |
Radar altimeter |
Mar. 22, 1988 |
| 4714928 |
Radar altimeter static accuracy circuit |
Dec. 22, 1987 |
| 4682175 |
Frequency modulated continuous wave radar and application thereof to a altimetric probe |
Jul. 21, 1987 |
|
|
|
