Angular position sensor using a polarized disc with coded tracks

Details Angular position sensor using a polarized disc with coded tracks Angular position sensor using a polarized disc with coded tracks

1991-10-29

1993-08-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023113, G02F 101

Patent

active

052351777

ABSTRACT:
An angular position transducer which determines rotation of a shaft from zero to 360 degrees using a polarized disc with coded tracks, a light source and light detector, and various processing devices to convert an analog signal generated by polarizing light into a discrete output signal.

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