CPC G06F 3/013 (2013.01) [G01B 11/26 (2013.01); G06F 3/011 (2013.01); G06V 40/18 (2022.01)] | 15 Claims |
1. An eye-tracking electronic device comprising:
a scanner;
at least two photodetectors configured to generate electric pulses when a scanning line reflected from a cornea is incident thereon; and
at least one processor configured to:
generate at least one scanning line through the scanner,
radiate the at least one scanning line to the cornea, and
determine a direction of a gaze based on time information when the at least two photodetectors generate the electrical pulses,
wherein the scanner comprises:
a light source configured to generate the at least one scanning line;
an optical element configured to convert the at least one scanning line to form a scanning area of a linear shape, having a length from an upper eyelid to a lower eyelid, perpendicular to a scanning direction; and
a single-axis scanner mirror configured to rotate relative to one axis to move the scanning area.
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