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Class Information
Number: 342/37
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)
Description: Subject matter including a radar beacon-transponder means to maintain cognizance or to regulate the paths of selected vehicles within a selected area such as an airport terminal area or air route.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5574459 |
Device for the detection and characterizing of radar pulses |
Nov. 12, 1996 |
| 5572214 |
Apparatus and method for frequency space modeling |
Nov. 5, 1996 |
| 5557278 |
Airport integrated hazard response apparatus |
Sep. 17, 1996 |
| 5554990 |
Airspace management system and method |
Sep. 10, 1996 |
| 5528244 |
Processing for mode S signals suffering multipath distortion |
Jun. 18, 1996 |
| 5486829 |
Method of communicating information between an S-mode secondary radar and a target |
Jan. 23, 1996 |
| 5483241 |
Precision location of aircraft using ranging |
Jan. 9, 1996 |
| 5459469 |
Air traffic surveillance and communication system |
Oct. 17, 1995 |
| 5455586 |
Pulse recognition method and device, and use thereof for the filtering of the S mode responses of a secondary radar |
Oct. 3, 1995 |
| 5406288 |
Method and device to improve the probability of validity of the codes of secondary radar responses |
Apr. 11, 1995 |
| 5400031 |
Airport surface vehicle identification system and method |
Mar. 21, 1995 |
| 5387915 |
Method and apparatus for detecting and decoding transponder reply signals |
Feb. 7, 1995 |
| 5388047 |
Aircraft traffic alert and collision avoidance device |
Feb. 7, 1995 |
| 5367303 |
Parallel observer spatial evaluator |
Nov. 22, 1994 |
| 5363109 |
Method of correcting measurement errors caused by clock deviations in a secondary radar system |
Nov. 8, 1994 |
| 5334982 |
Airport surface vehicle identification |
Aug. 2, 1994 |
| 5321406 |
Method of track merging in an aircraft tracking system |
Jun. 14, 1994 |
| 5317316 |
Method of altitude track initialization in an aircraft tracking system |
May. 31, 1994 |
| 5302953 |
Secondary radar antenna operating in S mode |
Apr. 12, 1994 |
| 5235336 |
Method of bearing determination utilizing a bottom antenna in an aircraft tracking system |
Aug. 10, 1993 |
| 5198823 |
Passive secondary surveillance radar using signals of remote SSR and multiple antennas switched in synchronism with rotation of SSR beam |
Mar. 30, 1993 |
| 5196855 |
Secondary surveillance radar system |
Mar. 23, 1993 |
| 5179384 |
Device for identifying and localizing transponders |
Jan. 12, 1993 |
| 5140328 |
Virtual secondary surveillance radar using signals of remote SSR |
Aug. 18, 1992 |
| 5122804 |
Method and apparatus for ground radar information display system |
Jun. 16, 1992 |
| 5107268 |
Method of multipath track reduction in an aircraft tracking system |
Apr. 21, 1992 |
| 5075694 |
Airborne surveillance method and system |
Dec. 24, 1991 |
| 5073779 |
Beacon data acquisition and display system |
Dec. 17, 1991 |
| 5072224 |
Monopulse processing systems |
Dec. 10, 1991 |
| 5063386 |
Device for the detection of the signals of transponders interrogated by a secondary radar in the presence of multiple-path phenomena |
Nov. 5, 1991 |
| 5032841 |
Method and apparatus for ground radar information display system |
Jul. 16, 1991 |
| 4990921 |
Multi-mode microwave landing system |
Feb. 5, 1991 |
| 4975708 |
Time domain electronic antenna beam shaping |
Dec. 4, 1990 |
| 4970518 |
Air traffic control radar beacon system multipath reduction apparatus and method |
Nov. 13, 1990 |
| 4910526 |
Airborne surveillance method and system |
Mar. 20, 1990 |
| 4899156 |
Virtual ATCRBS using signals of remote SSR |
Feb. 6, 1990 |
| 4779096 |
Process and device for limiting traffic to be used with an interrogation/response system such as a secondary radar or IFF system |
Oct. 18, 1988 |
| 4733241 |
Position finding and collision avoidance system |
Mar. 22, 1988 |
| 4656477 |
Perfectioning in reply type radar systems, in particular the SSR type |
Apr. 7, 1987 |
| RE32368 |
Collision avoidance system for aircraft |
Mar. 10, 1987 |
| 4486752 |
Pulse width discriminator applicable to ATC transponders |
Dec. 4, 1984 |
| 4418349 |
Airport surveillance system |
Nov. 29, 1983 |
| 4334224 |
Secondary surveillance radar |
Jun. 8, 1982 |
| 4319243 |
Airport-surveillance system |
Mar. 9, 1982 |
| 4296414 |
P-I-N type diode high frequency switch for secondary radar interrogation devices and transponders |
Oct. 20, 1981 |
| 4197536 |
Airport surface identification and control system |
Apr. 8, 1980 |
| 4179695 |
System for identification of aircraft on airport surface pathways |
Dec. 18, 1979 |
| 4115771 |
Passive ATCRBS using signals of remote SSR |
Sep. 19, 1978 |
| RE29260 |
Proximity indication with range and bearing measurements |
Jun. 7, 1977 |
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