Reflection-type overhead projector

Details Reflection-type overhead projector Reflection-type overhead projector

1988-04-18

1989-03-07

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

353 24, 353119, 353122, 358287, 358296, 358294, 358293, H04N 110

Patent

active

048111104

ABSTRACT:
A reflection-type overhead projector having a projection lamp and projection lens-and-mirror system disposed above a base on a gooseneck arm for projecting a transparency placed on the base on a remote screen. The overhead projector has a copying device incorporated therein for making a copy from a reflective original on a secondary original or a transparency, which comprises an image-scanning head movable lengthwise over the reflective original placed on a Fresnel mirror on the base to provide image signals; a mirror attached to the image scanning head for directing light from the projection lamp onto the reflective original just below the image scanning head; and a thermal printing head for thermally printing an image of the reflective original on a secondary original or a transparency according to the image signals.

REFERENCES:
patent: 4319283 (1982-03-01), Ozawa
patent: 4442460 (1984-04-01), Kurata
patent: 4607291 (1986-08-01), Oono
patent: 4609779 (1986-09-01), Rogers
patent: 4626924 (1986-12-01), Watanabe
patent: 4636871 (1987-01-01), Oi

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