Resources Contact Us Home
Slotted cavity antenna

Image Number 3 for United States Patent #4242685.

A resonant cavity having at least one radiating antenna slot formed in a wall of the cavity includes an electrically conducting plate disposed within the cavity and substantially spaced from all internal cavity walls so as to effectively lengthen the electrical resonant dimensions of the cavity for a given physical size. This slotted cavity antenna permits the use of simplified feeding structures, provides a more efficient antenna structure and reduces the necessary physical dimensions of the structure for operation at a given frequency.

  Recently Added Patents
Code conversion apparatus, code conversion method, and computer product
Nitrogen and hindered phenol containing dual functional macromolecular antioxidants: synthesis, performances and applications
Note tab
Simultaneous image distribution and archiving
Method and system for constructing a customized web analytics application
Controlling transmission resources in mobile radio systems with dualtransfer mode
Flat panel display
  Randomly Featured Patents
Less immunogenic binding molecules
Elimination of display blanks resulting from the use of character attribute codes in a videotex type system
Digital circuit unit testing system utilizing signature analysis
Roots type blower
Testing apparatus and method using same
Customer bridge with indicators for diagnosing electrical connection problems
Method and apparatus for processing metal bearing gases
Dynamic mask-ROM register patching
Method for precisely forming light emitting layers in a semiconductor device
Liquid container having a stirring chamber