History of Photocopier
History of photocopy. Chester Flood Carlson invented the copy machine on December 6, 1942. Chester Flood Carlson was born February 8, 1906, in a city called Seattle, Washington. Carlson works for an electronics manufacturing company. At that time, his job was to copy documents and images into several forms.
The history of photocopy began when Carlson want to make his job easier to do by discovering the concept of electrophotography, which we now know as the photocopier.
His efforts began in 1938 by experimenting with using carbon powder and light irradiation and transferring writing from one medium to another.
In addition to the electrophotography concept, Carlson also uses the idea of photo-conductivity, a process of changing electrons when exposed to light.
In essence, with this process, the image can be duplicated by the process of changing these electrons.
But most of the literature states that Carlson created the copying process using electrostatic energy, namely xenography. Xenography comes from Greek, namely “radical xeros” which means dry and “graphos” which means writing. Because the process does not involve chemical liquids, unlike the previous technology, through this technique, Carlson has found a way to revolutionize the paradigm of document rewriters, which will become a process known as photocopying.
Carlson patented this technique on December 6, 1942. That’s all about history of photocopy.
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