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Step Motor Tester Disclosure Number: IPCOM000044781D
Original Publication Date: 1984-Aug-01
Included in the Prior Art Database: 2005-Feb-06

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Breyfogle, FW Linton, RL [+details]


The hardware and procedures described here constitute a technique for measuring the failure modes of step motors. A DC motor and optical encoder are mechanically connected to a system being driven by the step motor. Control logic senses when the step motor turns on and gates signals from the optical encoder into an up/down counter in the control logic.