Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 342/366
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Including polarized signal communication transmitter or receiver > Eliptical
Description: Subject matter including the polarization of the signal such that the wave vector for the signal rotates in an elliptical orbit about a point.










Patents under this class:

Patent Number Title Of Patent Date Issued
6407702 Method and system for obtaining direction of an electromagnetic wave Jun. 18, 2002
6271790 Communication system Aug. 7, 2001
6181288 Polarization compensating device for antenna within a radome Jan. 30, 2001
6006070 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception Dec. 21, 1999
5701591 Multi-function interactive communications system with circularly/elliptically polarized signal transmission and reception Dec. 23, 1997
5507020 Spectral sharing communication system with minimal inter-signal interference Apr. 9, 1996
5099246 Apparatus for determining roll position Mar. 24, 1992
4369519 Cross polarization compensation system Jan. 18, 1983
4345255 Antenna feed system Aug. 17, 1982
4335387 Radar antenna with rotating linear polarization designed to reduce jamming Jun. 15, 1982
4329687 Radar radiating polarized signals May. 11, 1982
4268832 Multipath discriminating antenna system May. 19, 1981
4264908 Adaptive polarization separation Apr. 28, 1981
4197541 Polarization agile planar array Apr. 8, 1980











 
 
  Recently Added Patents
Image forming apparatus with an improved density adjustment unit
Power supply input voltage detection circuit
Use of natural query events to improve online advertising campaigns
Double patterning method using tilt-angle deposition
Apparatus and method for controlling semiconductor die warpage
Rotating sunlight/light beam for fractional/beneficial use
Spacers for insulated glass units
  Randomly Featured Patents
Walk-behind self-propelled power equipment unit with speed control
High accuracy, high impedance differential to single-ended current converter
Peripheral-type benzodiazepine receptor expression level as an index of organ damage and regeneration
Antihemophilic factor concentrate and method for preparation
Speaker mount structure of vehicle
Hydraulic system for utility vehicles, in particular agricultural tractors
Reactant/gas separation means for beverage carbonation device
Print head for dot matrix printers
Jewelry attachment member
Spike to facilitate insertion of a plant watering spike