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Xerography


 

Xerography (or Electrophotography) is a photocopying technique developed by Chester Carlson in 1938 and patented on October 6, 1942. He received United States Patent number 2,297,691 for his invention.

Related Topics:
Photocopying - Chester Carlson - 1938 - October 6 - 1942 - United States Patent

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Xerography is used in most photocopying machines and in laser and LED printers.

Related Topics:
Photocopying - Laser - LED - Printers

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