US Patent 9201512 Proximity sensing for input detection

Disclosed is a technique that can help to detect a blink of an eye and a direction along which the eye is oriented before, after, or during the blink. To this end, light data can be received from at least one light sensor. The light data indicates at least one characteristic of light reflected from an eye area. A blink event can be detected based on the light data. A gaze direction can be determined based on the blink event. At least one computing action can be performed based on the gaze direction.