Unit Record Equipment - Transmission of Punched Card Data

Transmission of Punched Card Data

See also: IBM 1013 Card Transmission Terminal

Electrical transmission of punched card data was invented in the early 1930s. The device was called an Electrical Remote Control of Office Machines and was assigned to IBM. Inventors were Joseph C. Bolt of Boston & Curt I. Johnson; Worcester, Mass. assors to the Tabulating Machine Co., Endicott, NY. The Distance Control Device received a US patent in Aug.9,1932: pat# 1,870,230. Letters from IBM talk about filling in Canada in 9/15/1931.

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