Eye-position sensor

Details Eye-position sensor Eye-position sensor

G - Physics

08

C

340/135.1

G08C 21/00 (2006.01)

Patent

CA 1237179

EYE-POSITION SENSOR Abstract of the Disclosure An eye-position sensor for use in an eye-activated optical transducer in which a spatial filter is used to modify light reflected from the eye to form a substantially rectangular pattern on a quadrantal array of contiguous sensors. This arrangement provides a substantially linear change in the output signal from the sensors in response to an equivalent movement of the eye. - i -

498994

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