Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1977-02-18
1980-01-01
Caldwell, Sr., John W.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
119 156, 124 34, 124 32, 124 31, 2731052, 2731056, 307141, H04B 700
Patent
active
041819110
ABSTRACT:
A target release system, particularly suited for use in simulating the hunting of wild game, characterized by a portable signal transmitter for transmitting detectable signals in a terrestrial space environment, a plurality of visually secluded signal receivers for singly detecting signals transmitted by said transmitter, and a target release subsystem connected with each of the signal receivers for releasing at least one target in response to transmitted signals detected by the receiver.
REFERENCES:
patent: 2427010 (1947-09-01), Lohr
patent: 2855916 (1958-10-01), Foster
patent: 3357405 (1967-12-01), Stormon et al.
patent: 3438037 (1969-04-01), Leland
patent: 3466609 (1969-09-01), Ohlund
patent: 3568199 (1971-03-01), Hartness
patent: 3586331 (1971-06-01), Tickell
patent: 3671817 (1972-06-01), Seipp
patent: 3770981 (1973-11-01), Nelsen
Caldwell Sr. John W.
Crosland Donnie L.
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