Accession Number : ADD006875

Title :   Inflatable Cavity-Backed Annular Slot Transmitting Antenna.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Seeley,Elwin W ; Hilderbrand,Verne E

Report Date : 04 Dec 1979

Pagination or Media Count : 3

Abstract : This patent discloses a transmitting antenna that can be inflated with air or a liquid dielectric and 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. (Author)

Descriptors :   *Patents, *Circular antennas, Slot antennas, Submarine antennas

Subject Categories : Electrical and Electronic Equipment
      Marine Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE