MARK_SENSOR_FOR_CARDS

Published:2009/7/20 10:23:00 Author:Jessie | From:SeekIC

Automatically transcribes up to 40 pencil marks on specially printed 90-column cards into machine code and block-punches information into cards in any desired format at 150 cards per minute -F. A. Frankl, Transcribing Field Markings by Optical Scanning, Electronics, 34:31, p 49-51.



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