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Class Information
Number: 342/156
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Interferometer
Description: Subject matter including a receiving antenna system which determines the angle of arrival of the radar signal by phase comparison in the signals at several points on the antenna system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5559516 |
Dual cancellation interferometric AMTI radar |
Sep. 24, 1996 |
| 5477230 |
AOA application of digital channelized IFM receiver |
Dec. 19, 1995 |
| 5285209 |
Angle-of-arrival measurement via spectral estimation of radar time-of-arrival periodicities |
Feb. 8, 1994 |
| 5227803 |
Transponder location and tracking system and method |
Jul. 13, 1993 |
| 4992796 |
Computed-interferometry radar system with coherent integration |
Feb. 12, 1991 |
| 4841304 |
Installation for the detection and location by interferometry, in real time and at great distance of lightening strikes |
Jun. 20, 1989 |
| 4768034 |
Radar system for multiple object tracking and discrimination |
Aug. 30, 1988 |
| 4728958 |
Coherent electromagnetic energy emitter locator |
Mar. 1, 1988 |
| 4717916 |
High resolution imaging doppler interferometer |
Jan. 5, 1988 |
| 4630051 |
Imaging doppler interferometer |
Dec. 16, 1986 |
| 4464662 |
Determining azimuth of a transponder by measuring a plurality of phase shifts |
Aug. 7, 1984 |
| 4342997 |
Array modification that adds height capability to a 2D array radar |
Aug. 3, 1982 |
| 4305074 |
Electromagnetic detection apparatus |
Dec. 8, 1981 |
| 4291310 |
Adaptive two-dimensional null forming receiving antenna system |
Sep. 22, 1981 |
| 4208659 |
System for use in an aircraft for obstacle detection |
Jun. 17, 1980 |
| 4170774 |
Amplitude selected phase interferometer angle measuring radar |
Oct. 9, 1979 |
| 4160974 |
Target sensing and homing system |
Jul. 10, 1979 |
| 4156240 |
System for providing angular deviation data for locating a transmitter |
May. 22, 1979 |
| 4150378 |
Height finding radar |
Apr. 17, 1979 |
| 3943514 |
Dual base line interferometer antenna |
Mar. 9, 1976 |
| 3942177 |
Interferometer radar elevation angle measurement apparatus |
Mar. 2, 1976 |
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