Optical encoders

A system and method of measuring a rotational motion of a code wheel measures a rotational movement of the code wheel including an error component due to a non-rotational movement of the code wheel; measures the non-rotational movement of the code wheel; and produces an error-corrected measurement o...

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Hauptverfasser:	CHEAH CHIANG SUN, TAI LI CHONG, YEOH CHIN HEONG
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY
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creator	CHEAH CHIANG SUN TAI LI CHONG YEOH CHIN HEONG
description	A system and method of measuring a rotational motion of a code wheel measures a rotational movement of the code wheel including an error component due to a non-rotational movement of the code wheel; measures the non-rotational movement of the code wheel; and produces an error-corrected measurement of the rotational movement of the code wheel by using the measured non-rotational movement of the code wheel to cancel the error component of the measured rotational movement of the code wheel. A signal can be produced indicating a need for maintenance when the non-rotational movement of the code wheel exceeds a threshold.
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A signal can be produced indicating a need for maintenance when the non-rotational movement of the code wheel exceeds a threshold.</abstract><oa>free_for_read</oa></addata></record>
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title	Optical encoders
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