Group 3 fax machine

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The digital Group 3 fax machine, introduced in 1980.

Group 3 fax machine

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The Information Architects of Encyclopaedia Britannica

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fax
Standard fax transmission
…fax machines conform to the Group 3 standard, which was adopted in 1980 in order to ensure the compatibility of digital machines operating through public telephone systems worldwide. As a standard letter-size sheet is fed through a machine, it is scanned repeatedly across its width by a charge-coupled device (CCD),…
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…fax machines conform to the Group 3 standard, which was adopted in 1980 in order to ensure the compatibility of digital machines operating through public telephone systems worldwide. As a standard letter-size sheet is fed through a machine, it is scanned repeatedly across its width by a charge-coupled device (CCD),…
Read More