This paper presents a unit distance code for absolute optical rotary encoders which relaxes the geometrical constraints set by the conventional Gray code to the minimum allowed value of the code disk radius. The proposed code is suitable for disk size reduction or for resolution increase, and can be applied to high-resolution absolute optical encoders operated both in continuous or in pulsed mode
A Non Conventional Unit Distance Code for Optical Rotary Encoder Applications
Gottardi, Massimo
2001-01-01
Abstract
This paper presents a unit distance code for absolute optical rotary encoders which relaxes the geometrical constraints set by the conventional Gray code to the minimum allowed value of the code disk radius. The proposed code is suitable for disk size reduction or for resolution increase, and can be applied to high-resolution absolute optical encoders operated both in continuous or in pulsed modeFile in questo prodotto:
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