Illuminating device for instrument

Details Illuminating device for instrument Illuminating device for instrument

1979-11-01

1982-01-12

Walsh, Donald P.

Illumination

Illuminated scale or dial

362 26, 362 80, 350345, G01D 1128

Patent

active

043108717

ABSTRACT:
An illuminating device for an instrument of a vehicle or the like using a light guiding member for introducing outside light during the day time to illuminate the dial of the instrument clearly at a brightness matching with that of the scenery. An internal light source is provided to illuminate the same dial in a dark place.

REFERENCES:
patent: 2652652 (1953-09-01), Lasko
patent: 3853088 (1974-12-01), Marko
patent: 3994564 (1976-11-01), Somogyi

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