Signals and indicators – Navigation devices
Patent
1976-10-18
1977-08-16
Queisser, Richard C.
Signals and indicators
Navigation devices
116124B, H04B 104, H04B 138
Patent
active
040428826
ABSTRACT:
A signal for indicating the location of one or more people in distress comprising a rectangular tank containing helium, an inflatable balloon enclosed by a casing of aluminum foil and tubular connections between the tank and the balloon and which include valves. A radio transmitter is connected to the balloon by a short cable and a nylon cord which functions as a tether is connected to the transmitter. The other end of this tether is taken up on a reel. A trigger on the transmitter is tripped when the tether is payed out a predetermined distance to activate the transmitter. The balloon, the transmitter, and the reel are all mounted on the top of the tank together with a first aid survival kit and a cover which is hinged at one end to the tank encloses these elements. A clip is provided for securing the entire unit to the person of a user.
REFERENCES:
patent: 2758804 (1956-08-01), Hakomaki
patent: 2831967 (1958-04-01), Bayze
patent: 2923917 (1960-02-01), McPherson et al.
patent: 3002490 (1961-10-01), Murray
patent: 3112447 (1963-11-01), Davis
patent: 3530451 (1970-09-01), Devine
patent: 3746285 (1973-07-01), Mango
patent: 3881531 (1975-05-01), Rossi
patent: 3964427 (1976-06-01), Murphy
Camacho Gustavo G.
Shackleford Edward J.
Queisser Richard C.
Robertson John A.
Yasich Daniel M.
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