Communications: radio wave antennas – Antennas – Rod type
Patent
1990-09-24
1992-07-14
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Rod type
318266, 318468, 343715, H01Q 1100, H01Q 1320, H02P 1220, H02P 3080
Patent
active
051307197
ABSTRACT:
A motor-driven antenna including a logic circuit for stopping a motor which drives a rod antenna to be extended and retracted. The logic circuit is activated when a voltage corresponding to an electric current of the antenna motor reaches a predetermined level.
REFERENCES:
patent: 4730152 (1988-03-01), Foust et al.
Nakase Kazuhiko
Yamamoto Yuzo
Brown Peter Toby
Wimer Michael C.
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