Overhead projector with a copying device

Details Overhead projector with a copying device Overhead projector with a copying device

1987-05-18

1988-12-27

Hix, L. T.

Photocopying

Projection printing and copying cameras

With developing

355 43, 355 45, E03B 2752

Patent

active

047944250

ABSTRACT:
An overhead projector in which a light from a light source is transmitted through an original, and a resulting original image is projected on a screen by means of a projection optical system including a projection lens and a half-mirror. At the same time, the original image is transmitted through the half-mirror, and delivered to a record medium by means of an exposure optical system. The exposure optical system includes a shutter member which can be shifted between a shielding mode and a copying mode. In the shielding mode, the optical path of the exposure optical system is closed to permit projection on the screen. In the copying mode, the optical path is opened so that the original image, to which the record medium is exposed, is visualized on the record medium by a developing process. At the end of the copying mode, the record medium is discharged into a tray.

REFERENCES:
patent: 4082446 (1978-04-01), Driscoll et al.
patent: 4260246 (1981-04-01), Rollenitz
patent: 4399209 (1981-11-01), Sanders et al.
patent: 4440846 (1981-11-01), Sanders et al.
patent: 4501809 (1982-07-01), Hiraishi

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