Light frame for drafting table

Details Light frame for drafting table Light frame for drafting table

1978-12-21

1980-11-04

Lechert, Jr., Stephen J.

Illumination

Display backlight

Lcd backlight

362223, 362282, 362284, 362307, 362310, G09F 1304

Patent

active

042323584

ABSTRACT:
A light frame for attachment to the underside of a flat surface and a light transmission portion therein includes a light source in the frame, and a mirror pivotally mounted on the frame in alignment with the light transmission portion for reflecting light thereinto. The mirror is pivotal from a closed position, substantially parallel to the top surface, to a deployed position angularly inclined with respect to the top surface. In its closed position, the mirror reflects light from the light source into the light transmission portion thus converting the surface into a light table and permitting a tracing to be made from a master placed on top of the light transmission portion. When the mirror is in its deployed position an image projected into the mirror is reflected onto the back of the light transmission portion permitting a tracing to be made on a mediumm placed on the front surface of the light transmission portion.

REFERENCES:
patent: 2701838 (1955-02-01), Loesch

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