Communications: radio wave antennas – Antennas – With aircraft
Patent
1990-08-20
1991-11-12
Hille, Rolf
Communications: radio wave antennas
Antennas
With aircraft
343877, H01Q 128
Patent
active
050651633
ABSTRACT:
A reusable portable device for providing location data by a lost individual as well as a signal enhancer for radios or other signal emitting devices. The device is in the form of a briefcase size unit containing a deflated airfoil with air brake and a gas cylinder containing ligher-than-air gas such as helium. The helium is released into the airfoil and is temporarily sealed with a clip. A signal emitting tether line attaches to the airfoil at one end and a reel at the other end. The reel contains a trim capacitor to adjust frequency of the antenna to different signal emitting devices which may be attached to the reel. Incorporated into the reel is a lightning arrestor which can be attached to an anchor permitting use in adverse weather. The reel may adjust the height of the airfoil and bring it back to the ground to be deflated and reused another time.
REFERENCES:
patent: 465971 (1891-12-01), Edison
patent: 1296687 (1919-03-01), Nichols
patent: 1540998 (1925-06-01), Plauson
patent: 1650461 (1927-11-01), Nilson
patent: 2380587 (1945-07-01), Fenton
patent: 2392199 (1946-01-01), Steiger
patent: 2470783 (1949-05-01), Mead
patent: 3142063 (1964-07-01), Goetzmann
patent: 4042882 (1977-08-01), Camacho et al.
patent: 4305140 (1981-12-01), Massa
patent: 4768739 (1988-09-01), Schnee
Hille Rolf
Johnston II H. Kenneth
Le Hoang-anh
Radarfind, Inc.
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