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US 7,583,233 B2Granted
RF Receiving and transmitting apparatuses having a microstrip-slot log-periodic antenna
AssigneeAlliant Techsystems Inc.
InventorsMark Russell Goldberg, Harold Kregg Hunsberger
Life of this patent
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Abstract
A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion where an array of two or more log-periodic antennas that may be placed about vehicles, such as air vehicles, or mounted on stationary structures, such as communication towers.
Claims24
A radio frequency (RF) receiving apparatus comprising:
- an RF receiver and a plurality of antenna elements;
- wherein a first antenna element of the plurality of antenna elements is a log-periodic antenna element comprising:
- a slot log-periodic antenna portion in proximity to a microstrip log-periodic antenna portion, wherein a dielectric medium is interposed between the slot log-periodic antenna portion and the microstrip log-periodic antenna portion.
A radio frequency (RF) transmitting apparatus comprising:
- an RF transmitter and a plurality of antenna elements;
- wherein a first antenna element of the plurality of antenna elements is a log-periodic antenna element comprising:
- a slot log-periodic antenna portion in proximity to a microstrip log-periodic antenna portion, wherein a dielectric medium is interposed between the slot log-periodic antenna portion and the microstrip log-periodic antenna portion.
Dependencies are inferred from the claim text.