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Class Information
Number: 342/157
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > With frequency or phase steering
Description: Subject matter including means to adjust by radar signal over the elements of a given region.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5093649 |
Bessel beam radar system using sequential spatial modulation |
Mar. 3, 1992 |
| 5066956 |
Azimuth-stacked radar method and apparatus |
Nov. 19, 1991 |
| 5023634 |
Antenna system |
Jun. 11, 1991 |
| 5017929 |
Angle of arrival measuring technique |
May. 21, 1991 |
| 4868574 |
Electronically scanned radar system |
Sep. 19, 1989 |
| 4864308 |
Frequency-scanning radiometer |
Sep. 5, 1989 |
| 4792805 |
Multifunction active array |
Dec. 20, 1988 |
| 4779097 |
Segmented phased array antenna system with mechanically movable segments |
Oct. 18, 1988 |
| 4724438 |
Radar apparatus |
Feb. 9, 1988 |
| 4677440 |
Passive, frequency-steerable, microwave repeater system |
Jun. 30, 1987 |
| 4675678 |
Frequency agile radar system |
Jun. 23, 1987 |
| 4611208 |
Means for aligning elevation beam pattern along an isodop in synthetic aperture mapping radar |
Sep. 9, 1986 |
| 4593286 |
Method of operating an agile beam coherent radar |
Jun. 3, 1986 |
| 4573050 |
Dual scan rate radar |
Feb. 25, 1986 |
| 4549183 |
Interference suppressor for an electronically or mechanically scanning monopulse radar generating sum and difference signals from received microwave energy |
Oct. 22, 1985 |
| 4544925 |
Assembly of main and auxiliary electronic scanning antennas and radar incorporating such an assembly |
Oct. 1, 1985 |
| 4488155 |
Method and apparatus for self-calibration and phasing of array antenna |
Dec. 11, 1984 |
| 4467328 |
Radar jammer with an antenna array of pseudo-randomly spaced radiating elements |
Aug. 21, 1984 |
| 4458342 |
Diversified transmission multichannel detection system |
Jul. 3, 1984 |
| 4456912 |
High energy microwave defense system |
Jun. 26, 1984 |
| 4408205 |
Multiple beam antenna feed arrangement for generating an arbitrary number of independent steerable nulls |
Oct. 4, 1983 |
| 4336540 |
Radar system |
Jun. 22, 1982 |
| 4330876 |
Sonar systems |
May. 18, 1982 |
| 4258363 |
Phased array radar |
Mar. 24, 1981 |
| 4253098 |
Radar systems |
Feb. 24, 1981 |
| 4163974 |
Antenna feed system |
Aug. 7, 1979 |
| 4160974 |
Target sensing and homing system |
Jul. 10, 1979 |
| 4160975 |
Correction circuit for wide bandwidth antenna |
Jul. 10, 1979 |
| 4121209 |
Two-axis motion compensation for AMTI |
Oct. 17, 1978 |
| 4118703 |
Pulse radar apparatus |
Oct. 3, 1978 |
| 4060806 |
Phased array radars |
Nov. 29, 1977 |
| 4034374 |
Sequential lobing track-while-scan radar |
Jul. 5, 1977 |
| 4034376 |
Radio direction finder with array element signal processing |
Jul. 5, 1977 |
| 3978482 |
Dynamically focused thinned array |
Aug. 31, 1976 |
| 3945007 |
Radar systems |
Mar. 16, 1976 |
| 3938149 |
Frequency scan radar system with provision for interference elimination |
Feb. 10, 1976 |
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