Device for variably illuminating an object

Details Device for variably illuminating an object Device for variably illuminating an object

1977-06-03

1978-07-18

Lechert, Jr., Stephen J.

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

362 32, 362311, 362322, 362367, G01D 1128

Patent

active

041019547

ABSTRACT:
A device for variably illuminating an object, such as an indicator on the instrument panel of a motor vehicle, includes a light source, a light conducting assembly for transmitting light to the object to be illuminated and a movable light control member disposed between the light source and an end of the light conducting assembly and constructed of a light conductive material, the movable member having a light transmitting surface of varying dimensions along the direction of movement of the member such that movement of the member relative to the end of the light conducting assembly varies the amount of light supplied thereto.

REFERENCES:
patent: 3805048 (1974-04-01), Brennesholtz
patent: 3819928 (1974-06-01), Kuroyama et al.

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