Photographic disc viewer

Details Photographic disc viewer Photographic disc viewer

1985-09-16

1987-08-11

Mancene, Gene

Card, picture, or sign exhibiting

Photographic transparency viewer, e.g., x-ray viewer

Portable slide viewer

40362, G02B 2702

Patent

active

046852310

ABSTRACT:
The viewer includes a main body defining a horizontal opening within which a photographic disc is rotatably supported. A light source below the horizontal opening projects the viewed image onto a magnifier lens located above the opening. A viewing port renders the image identifying number on the disc visible. A switch control automatically closes a switch upon grasping of the handgrip portion of the main body. The control is inherently biased to a switch opening position.

REFERENCES:
patent: 1685584 (1928-09-01), Dean
patent: 2713015 (1955-07-01), Paulsohn
patent: 3026640 (1962-03-01), Ogdon
patent: 3170259 (1965-02-01), Frye
patent: 3174241 (1965-03-01), Rohan

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