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Emitter Detect Circuit With Gain Compensation and Hysteresis Disclosure Number: IPCOM000051796D
Original Publication Date: 1981-Mar-01
Included in the Prior Art Database: 2005-Feb-11

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Related People

Craig, TP Smith, LD Wells, TL [+details]


Circuitry for use with an optical coupler in an emitter motion detector of the kind used in typewriters compensates for response variations among individual optical couplers and also provides a hysteresis effect so that slight reverse motion of the emitter wheel does not trigger a false pulse.