Illuminated chart holder

Details Illuminated chart holder Illuminated chart holder

1992-06-12

1994-01-18

Husar, Stephen F.

Illumination

Revolving

362 27, 362 62, 362 99, F21V 704

Patent

active

052804151

ABSTRACT:
An illuminated chart holder for aircraft use has upper and lower light transmitting plates, the upper plate having a flat top surface and a concave-shaped bottom surface, and the lower plate having a flat bottom surface and a convex-shaped top surface, which is shaped to mate with, but to be spaced from, the bottom surface of the upper plate, with the top surface of the upper plate being generally parallel to the bottom surface of the lower plate, the plate assembly being covered on all four sides with reflecting material, and with the assembly of plates having a display portion and a light source pocket; at least one light reflecting surface either above or below the bottom plate in the light source pocket; at least two bulbs of a first color (e.g. white) and at least two bulbs of a second color (e.g. ANVIS green) in the light source pocket; and variable resistors connected to control intensity of the lights.

REFERENCES:
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patent: 3452188 (1969-06-01), Zidron et al.
patent: 3808415 (1974-04-01), Hurst
patent: 3949214 (1976-04-01), Jones et al.
patent: 4387414 (1983-06-01), Hensleigh
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patent: 4561042 (1985-12-01), Wehner et al.
patent: 4580196 (1986-04-01), Task
patent: 4751615 (1988-06-01), Abrams
patent: 4887189 (1989-12-01), Garrett
patent: 4998185 (1991-03-01), DeNigris, Jr.

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