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Fax Machine
The fax machine had an interesting beginning. A German inventor named Arthur Korn first invented it in the 1900’s, but the absence of the demand for this kind of a product doomed its early development. Edouard Belin overtook Korn’s idea, in the 1920’s. In Belin’s system, a beam of light is passed over an image. The changes in the beam’s intensity are picked up on the other side and converted into electrical signals. These signals are sent to another fax machine that converts them back to an image, which is then reproduced. Today, every office of any size has a fax machine that can send documents or pictures.
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Courtesy of Grolier Educational
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