Eye-position sensor

Details Eye-position sensor Eye-position sensor

1986-01-07

1988-01-19

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 314

Patent

active

047201894

ABSTRACT:
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.

REFERENCES:
patent: 3507988 (1970-04-01), Holmes
patent: 3724932 (1973-04-01), Cornsweet et al.
patent: 4513317 (1985-04-01), Ruoff
"Eye-Controlled Communication Aids" by J. H. ten Kate et al., Medical Progress Through Technology 8:1-21, Springer-Verlag, 1980.

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