electrographic recording

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Electrographic recording process — Процесс электрографической записи (изображения) … Краткий толковый словарь по полиграфии
Mark sense — Main article: Unit record equipment Electrographic is a term used for punched card and page scanning technology that allowed cards or pages marked with a pencil to be processed or converted into punched cards. That technology was sold by IBM, its … Wikipedia
Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… … Wikipedia
List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… … Wikipedia

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