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Class Information
Number: 342/153
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining direction > Monopulse > With particular antenna or waveguide
Description: Subject matter including a significant antenna apparatus or wave guide structure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4499473 |
Cross polarization compensation technique for a monopulse dome antenna |
Feb. 12, 1985 |
| 4460898 |
Four element antenna turnstile tracking system |
Jul. 17, 1984 |
| 4438436 |
Millimeter wave monopulse comparator circuit |
Mar. 20, 1984 |
| 4420756 |
Multi-mode tracking antenna feed system |
Dec. 13, 1983 |
| 4380765 |
Radar systems |
Apr. 19, 1983 |
| 4277788 |
Direction determining apparatus responsive to electromagnetic radiation |
Jul. 7, 1981 |
| 4243991 |
Antenna feed for scan-with-compensation tracking |
Jan. 6, 1981 |
| 4176359 |
Monopulse antenna system with independently specifiable patterns |
Nov. 27, 1979 |
| 4150378 |
Height finding radar |
Apr. 17, 1979 |
| 4107690 |
Antenna arrangement for radar or direction finding purposes respectively, with sum and difference patterns |
Aug. 15, 1978 |
| 4030048 |
Multimode coupling system including a funnel-shaped multimode coupler |
Jun. 14, 1977 |
| 3988732 |
3-Channel selectable polarization, target discrimination antenna |
Oct. 26, 1976 |
| 3938157 |
Rotatable radar antenna feed and receiver horn |
Feb. 10, 1976 |
| 3936838 |
Multimode coupling system including a funnel-shaped multimode coupler |
Feb. 3, 1976 |
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