Inflatable cavity-backed annular slot transmitting antenna
First Claim
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1. A floatable radio antenna capable of floating in a liquid with the radiating slot projecting above the surface, comprising:
- a cup shaped body having an inner conducting surface and an outer conducting surface,said inner conducting surface being separated from said outer surface by buoyant insulating means with the lip of the cup shaped body forming the radiating slot.
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Abstract
A transmitting antenna that can be inflated with air or a liquid dielectricnd floated in seawater. It consists of a cuplike cavity backing a radiating annular slot antenna. It can be used to communicate to submarines or surface ships or as a navigation transmitting antenna. It is small compared to the wavelength of the operating frequency.
5 Citations
10 Claims
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1. A floatable radio antenna capable of floating in a liquid with the radiating slot projecting above the surface, comprising:
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a cup shaped body having an inner conducting surface and an outer conducting surface, said inner conducting surface being separated from said outer surface by buoyant insulating means with the lip of the cup shaped body forming the radiating slot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification