TRACKING DEVICE AND OPTICAL ASSEMBLY THEREOF
First Claim
Patent Images
1. An optical assembly comprising:
- a light source utilizing to emit an incident beam; and
a beam splitter utilizing to divide the incident beam into multiple outgoing beams, wherein the incident beam and the outgoing beams are invisible light, the outgoing beams is emitted to an eyeball and a plurality of glints is generated on the eyeball, at least part of the glints on the region are out of the pupil of the eyeball.
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Abstract
An optical assembly includes a light source and a beam splitter. The light source is used for emitting an incident beam. The beam splitter is used for dividing the incident beam into a plurality of outgoing beams. The incident beam and the outgoing beam are both invisible light. The outgoing beams enter an eyeball and form a plurality of glints on the eyeball. The glints are formed on the region outside the pupil.
22 Citations
20 Claims
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1. An optical assembly comprising:
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a light source utilizing to emit an incident beam; and a beam splitter utilizing to divide the incident beam into multiple outgoing beams, wherein the incident beam and the outgoing beams are invisible light, the outgoing beams is emitted to an eyeball and a plurality of glints is generated on the eyeball, at least part of the glints on the region are out of the pupil of the eyeball. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An eye tracking device comprising:
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a frame disposed in front of a user; an optical assembly configured on the frame comprising; a light source utilized to emit an incident beam; a beam splitter utilized to divide the incident beam into the outgoing beams, wherein the incident beam and the outgoing beams are invisible light, the outgoing beams are transmitted to an eyeball of the user and a plurality of the glints is generated on the eyeball, at least part of the glints locating on region are out of the pupil of the eyeball; and an image capture component disposed on the frame and utilized to capture the image of the eyeball. - View Dependent Claims (17, 18, 19, 20)
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Specification