Communications: radio wave antennas – Antennas – Microstrip
Patent
1990-01-08
1991-04-09
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Microstrip
343731, 343829, H01Q 138
Patent
active
050068580
ABSTRACT:
A microstrip line antenna generally used for receiving an electric wave from an artificial satellite, which comprises a plane dielectric substrate and a plurality of crank-shaped microstrip lines arranged on the substrate. The improvement comprises a number of half wavelength waveguide elements arranged on a plane lying parallel to the substrate in front of the microstrip lines at a predetermined distance therefrom for improving the signal-to-noise ratio of the antenna and reducing the number of antenna elements.
REFERENCES:
patent: 4652889 (1987-03-01), Bizouard et al.
patent: 4893129 (1990-01-01), Kodera et al.
DX Antenna Company Limited
Fidelman Morris
Wimer Michael C.
Wolffe Franklin D.
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