Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 342/188
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > With particular circuit > With polarization
Description: Subject matter including means to polarize the radar signal.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4323899 Polarization detector Apr. 6, 1982
4323898 Polarization detector Apr. 6, 1982
4318100 Automatic ground clutter rejection in weather pulse radar system Mar. 2, 1982
4305075 Conically scanning antenna system for tracking radars Dec. 8, 1981
4295140 Faraday rotation measurement method and apparatus Oct. 13, 1981
4243991 Antenna feed for scan-with-compensation tracking Jan. 6, 1981
4231037 Radar clutter suppressor Oct. 28, 1980
4213130 Monopulse radar apparatus Jul. 15, 1980
4191953 Intrusion sensor and aerial therefor Mar. 4, 1980
4184156 Doppler radar device for measuring speed of moving objects Jan. 15, 1980
4160251 Hybrid dual mode radiometric system Jul. 3, 1979
4156874 Anti-collision vehicle radar system May. 29, 1979
4114153 Echo location systems Sep. 12, 1978
4107678 Polarization correlation target seeker Aug. 15, 1978
4106014 Radar set sensitive to target shape Aug. 8, 1978
4079361 Intrusion sensor and aerial therefor Mar. 14, 1978
4068234 Frequency scanned illumination imaging array Jan. 10, 1978
4053882 Polarization radar method and system Oct. 11, 1977
4035797 Polarized radar system for providing target identification and discrimination Jul. 12, 1977
4030048 Multimode coupling system including a funnel-shaped multimode coupler Jun. 14, 1977
4028708 Antenna feed for dual beam conical scan tracking radar Jun. 7, 1977
4011445 Optical array active radar imaging technique Mar. 8, 1977
4005414 Method for providing means to eliminate ambiguous polarization effects on phase and amplitude of radar backscatter due to unknown target aspect angle Jan. 25, 1977
4005425 Dual quadrature polarization radar system Jan. 25, 1977
3988732 3-Channel selectable polarization, target discrimination antenna Oct. 26, 1976
3962705 Radar microwave lobing systems Jun. 8, 1976
3958241 Chaff discrimination system May. 18, 1976
3952305 Marine radar transmission and reception system Apr. 20, 1976
3945005 Surveillance radar Mar. 16, 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

1 2 3 4 5

  Recently Added Patents
Communication apparatus, and method and program for controlling same
Exposure method, exposure apparatus, and method for producing device
Lateral double diffused metal oxide semiconductor device and method of manufacturing the same
Voltage regulator with improved voltage regulator response and reduced voltage drop
Image forming apparatus with an improved density adjustment unit
Lookup front end packet input processor
Methods and system for displaying segmented images
  Randomly Featured Patents
Thermal management of electronic devices
Stator core for an electric machine
Lace tightening device having a pocket for storing a blocking element, and a boot having such device
Apparatus for particulate processing
Prosthetic ligaments and instruments for use in the surgical replacement of ligaments
High density plasma chemical vapor deposition (HDP-CVD) processing of gallium arsenide wafers
Switching module for a telecommunications switching platform
Interactive MRI scan control using an in-bore scan control device
Internal impedance converting superconducting acyclic power converter
Can bottom having improved strength and apparatus for making same