Communications: radio wave antennas – Antennas – Active sleeve surrounds feed line
Patent
1992-03-26
1994-04-26
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Active sleeve surrounds feed line
343828, 343829, H01Q 938
Patent
active
053070780
ABSTRACT:
A tri-band antenna including an center conducting an inner pipe surrounding the center conductor, an outer pipe surrounding the inner pipe and Teflon provided between the inner and outer pipes.
REFERENCES:
patent: 3139620 (1964-06-01), Leidy et al.
patent: 3981017 (1976-09-01), Kommrusch
patent: 4509056 (1985-04-01), Ploussios
patent: 4937588 (1990-06-01), Austin
Egashira Shigeru
Egashira Yoshimi
Sakitani Akihide
Tanaka Takayuki
Yoshiki Kazuhisa
Harada Kogyo Kabushiki Kaisha
Wimer Michael C.
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