Illumination – Revolving
Patent
1986-12-29
1988-01-05
Yeung, James C.
Illumination
Revolving
340 50, 340331, 362272, 362274, 362294, F21V 2130
Patent
active
047179910
ABSTRACT:
An airport beacon light for producing a bright, color coded signal as a visual aid for airplane pilots. The light includes a metal halide lamp, a housing having a primary color coding lens, a lamp holder for accurately holding the lamp within the housing adjacent the lens, a color correcting auxiliary lens mounted adjacent the primary color coding lens for correcting the color of the light produced by the lamp through the primary lens.
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patent: 2916610 (1959-12-01), Crossley
patent: 3013145 (1961-12-01), Trippe
patent: 3886350 (1975-05-01), Katsukura et al.
patent: 4153926 (1979-05-01), Hurt
patent: 4205366 (1980-05-01), Bleiweiss et al.
patent: 4353110 (1982-10-01), Ellis
patent: 4384271 (1983-05-01), Visser
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