Light ramp for lighting instrument panels, more especially in ai

Illumination – Illuminated scale or dial

Patent

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Details

362231, 362234, 362242, 362248, G01D 1128

Patent

active

045517908

ABSTRACT:
A light ramp for lighting instrument panels, more especially in aircraft or helicopters, characterized in that it comprises, in combination, at least one fluorescent tube (5) emitting in the ultra-violet spectrum, housed inside a frame (6) disposed in front of the instrument panel (1), and a plate made from Wood's glass (7) sealingly fixed to the frame (6) in front of said fluorescent tube (5).

REFERENCES:
patent: 1685421 (1928-09-01), Huntington
patent: 1786768 (1930-12-01), Moorhouse
patent: 1947377 (1934-02-01), Blanchard
patent: 1951783 (1934-03-01), Beard
patent: 2806936 (1957-09-01), Janes et al.
patent: 2874269 (1959-02-01), Greenlee
patent: 2963571 (1960-12-01), Roggan

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