Color overhead projector

Details Color overhead projector Color overhead projector

1988-07-15

1989-06-13

Goldberg, E. A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

353122, 353 84, 353DIG3, H04N 123, G03B 2100

Patent

active

048397318

ABSTRACT:
A color overhead projector including a thermochromic film, a color filter, erasing means for erasing an image formed on the film, reading means for reading a color image to be projected, writing means for writing the color image to be projected into the film, and projecting means for projecting the color image written into the film onto a screen by illumining the film via the color filter.

REFERENCES:
patent: 4346449 (1982-08-01), Ovshinsky
patent: 4607291 (1986-08-01), Oono
patent: 4609779 (1986-09-01), Rogers
patent: 4811110 (1989-03-01), Ohmura

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