An interface for transmitting discrete response information to a computer |
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| Authors: | Roland F Millert Peter G Polson |
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| Institution: | 1. Computer Laboratory for Instruction in Psychological Research, University of Colorado, 1511 University Avenue, Room 4, 80302, Boulder, Colorado
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| Abstract: | A circuit is described for interfacing response keys and other discrete inputs from psychological apparatus to a computer. Some of the unique features are: high noise immunity, the ability to transmit data over long distances, and electrical protection of the computer from accidental and potentially catastrophic high voltage inputs. |
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