Communications: electrical – Aircraft alarm or indicating systems – Obstruction beacon
Patent
1993-10-25
1996-07-16
Peng, John K.
Communications: electrical
Aircraft alarm or indicating systems
Obstruction beacon
340981, 315344, G08G 500
Patent
active
055371116
ABSTRACT:
A solar-powered, illuminated aircraft warning marker for connection to suspended cables and overhead transmission lines includes a polygonal housing having a plurality of light elements attached to different sides of the housing. The warning marker includes solar cells, storage batteries and electrical circuit apparatus for selectively illuminating the light elements during low ambient light and nighttime conditions.
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patent: 4772990 (1988-09-01), Linehan et al.
patent: 4841278 (1989-06-01), Tezuka et al.
patent: 4884017 (1989-11-01), Williams
patent: 5001402 (1991-03-01), Milton et al.
patent: 5027294 (1991-06-01), Fakruddin et al.
patent: 5252893 (1993-10-01), Chacham et al.
Hapgood John H.
Johnson Parley P.
Martin John S.
Rash Clarence
Lane Anthony T.
Lee Benjamin C.
Moran John F.
Peng John K.
Randolph William
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