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pro vyhledávání: '"59"'
Autor:
William L. Stahl, Robert J. Potter
Publikováno v:
Applied Optics. 5:1203
An important application of fiber optics to data processing is to illuminate hole positions of punched-card reading-stations. In the IBM 59 Card Verifier, flexible incoherently oriented bundles are employed to provide a reliable, efficient, and pract