Title:
Monopole antenna including electrical switching means for varying the length of the outer coaxial conductor with respect to the center conductor
United States Patent 3315264
Inventors:
Helmut, Brueckmann
Application Number:
US47064565A
Publication Date:
04/18/1967
Filing Date:
07/08/1965
Assignee:
Helmut, Brueckmann
Primary Class:
Other Classes:
333/206, 343/723, 343/752, 343/822
International Classes:
H01Q9/30
View Patent Images:
US Patent References:
2644089Antenna system1953-06-30
2253379Ultra high frequency adjustable antenna1941-08-19
2239909Antenna and coaxial transmission line circuit1941-04-29
2168860Variable-length antenna1939-08-08
2113136Antenna1938-04-05
2111636Antenna1938-03-22