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Class Information
Number: 342/38
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Air traffic control > Secondary surveilance radar (ssr) or air traffic control radar beacon system (atcrbs) > With altitude information
Description: Subject matter wherein the transponder signal includes information about the vertical distance of an aircraft or other object above a given reference plane such as the ground or sea.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7301497 |
Stereo display for position sensing systems |
Nov. 27, 2007 |
| 6711478 |
Receiver-autonomous vertical integrity monitoring |
Mar. 23, 2004 |
| 6604028 |
Vertical motion detector for air traffic control |
Aug. 5, 2003 |
| 6600442 |
Precision approach radar system having computer generated pilot instructions |
Jul. 29, 2003 |
| 6359583 |
Ground based millimeter wave imaging system |
Mar. 19, 2002 |
| 6266583 |
System and method for improving the accuracy of pressure altitude determinations in an inertial navigation system |
Jul. 24, 2001 |
| 6094607 |
3D AIME.TM. aircraft navigation |
Jul. 25, 2000 |
| 6085147 |
System for determination of optimal travel path in a multidimensional space |
Jul. 4, 2000 |
| 5940035 |
Method for calibrating aircraft altitude sensors |
Aug. 17, 1999 |
| 5703591 |
Aircraft N-number control system |
Dec. 30, 1997 |
| 5463398 |
Method and apparatus for multiple reply rejection when decoding transponder replay signals |
Oct. 31, 1995 |
| 5402116 |
Atmospheric pressure calibration systems and methods |
Mar. 28, 1995 |
| 5363109 |
Method of correcting measurement errors caused by clock deviations in a secondary radar system |
Nov. 8, 1994 |
| 5321406 |
Method of track merging in an aircraft tracking system |
Jun. 14, 1994 |
| 5252978 |
Collision warning system |
Oct. 12, 1993 |
| 5089822 |
Interrogation signal processor for air traffic control communications |
Feb. 18, 1992 |
| 4990921 |
Multi-mode microwave landing system |
Feb. 5, 1991 |
| 4970518 |
Air traffic control radar beacon system multipath reduction apparatus and method |
Nov. 13, 1990 |
| 4454510 |
Discrete address beacon, navigation and landing system (DABNLS) |
Jun. 12, 1984 |
| 4293857 |
Collision avoidance warning system |
Oct. 6, 1981 |
| 4197538 |
Pilot's traffic monitoring system |
Apr. 8, 1980 |
| 4161729 |
Beacon add-on subsystem for collision avoidance system |
Jul. 17, 1979 |
| 4060805 |
Integrated terminal area surveillance system |
Nov. 29, 1977 |
| 4050069 |
Transponder based landing system |
Sep. 20, 1977 |
| 4027307 |
Collision avoidance/proximity warning system using secondary radar |
May. 31, 1977 |
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