Obstruction warning system

Details Obstruction warning system Obstruction warning system

1981-08-31

1983-12-13

Groody, James J.

Communications: electrical

Selective

Having indication or alarm

340331, 34081531, 362 32, 362391, B64D 4700, G08G 500

Patent

active

044207409

ABSTRACT:
An obstruction warning system apparatus is provided having elongated optical light path members each having a volume capable of transmitting light therethrough and having means to interrupt the light along the light path to render the light path member visible at a distance. The optical light path members are supported on guy wires or to an obstruction and have a high intensity light source operatively connected to one end of at least one elongated optical light path member and a reflector formed on the other end thereof for reflecting light from the light source back into the elongated optical light path member. A switching circuit may be provided for switching the light source between a plurality of elongated optical light source members.

REFERENCES:
patent: 2095306 (1937-10-01), Austin
patent: 4037191 (1977-07-01), Deane et al.
patent: 4344110 (1982-08-01), Ruediger

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