Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 342/403
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > With transmisson of bearing or position determinative signals > Tacan > Receiver only > Vor > Doppler > With circular array of antennas
Description: Subject matter wherein the antennas are arranged in a ring shaped pattern.

Patents under this class:

Patent Number Title Of Patent Date Issued
7720437 Zero-order energy smart antenna and repeater May. 18, 2010
7613482 Method and system for steering antenna beam Nov. 3, 2009
6283454 Apparatus for fence repair and construction Sep. 4, 2001
6229473 Arrangements for the one-dimensional or multi-dimensional determination of the position of a load suspension point in hoists May. 8, 2001
6094166 Conical omni-directional coverage multibeam antenna with parasitic elements Jul. 25, 2000
4745411 Digital gain adjustment May. 17, 1988

  Recently Added Patents
Flip-chip mounting resin composition and bump forming resin composition
Generating a representation of an object of interest
Method of forming micropattern, method of forming damascene metallization, and semiconductor device and semiconductor memory device fabricated using the same
Providing a web page to a client
Backside structure and methods for BSI image sensors
Disc shaped high density recording medium
Playback device, playback method, and computer program
  Randomly Featured Patents
Voice input system and method of using same
Making shrink-fit objects
Method of treating medical wastes and containers to be used for the treatment method
Compositions and method of strengthening hair
Device for bi-directional transmission of audio and/or video signals
Dual tube container with one way valves and applicator
Video cassette recorder with improved tape guiding and tensioning
Magnetically-controllable, semi-active haptic interface system and apparatus
Method for recovering silver from photographic processing solution
Purification of alkyl glyoxylate in a continuous column by azeotropic distillation