Back to results
US 6,788,267 B2Granted
Wideband cavity-backed antenna
AssigneeSPX Corporation
InventorJohn Schadler
Life of this patent
Estimating the term…
Abstract
An antenna system is disclosed that includes a mast, waveguides positioned about the mast, and a feed system positioned external to the mast and between adjacent waveguides, such the feed system can be easily serviced. The waveguides include spherical radiator elements that are easy to manufacture, and thus reduce the cost associated with wideband cavity-backed antennas.
Claims20
An antenna radiator apparatus, comprising:
- a broadside radiating waveguide;
- and
- a spherical-shaped radiating element interior to the waveguide.
A method for transmitting signals, comprising:
- generating electromagnetic signals in a cavity-backed waveguide utilizing a spherical-shaped radiating element placed therein as a feed;
- circumferentially arranging a plurality of the cavity-backed waveguides to be capable of transmitting signals in directions between zero degrees and three hundred-sixty degrees;
- and
- guiding the signals from a broadside of the cavity-backed waveguides utilizing fins attached to ends of the walls of the cavity-backed waveguides.
1 more element
A wide band cavity-backed antenna array comprising:
- an antenna mast;
- a plurality of broadside radiating waveguides arranged circumferentially about the antenna mast, an open side of the waveguides facing a radial direction;
- a plurality of spherical-shaped radiating elements, each radiating element being interior to a respective waveguide;
- and
- a fin connected to a radially-directed walls of the waveguide, the fin forming an intermediate boundary between neighboring waveguides.
2 more elements
Dependencies are inferred from the claim text.