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公开(公告)号：US20210325961A1
公开(公告)日：2021-10-21
申请号：US17250159
申请日：2019-05-24
Applicant: SONY CORPORATION
Inventor： SHINGO OHKAWA , RYO OGAWA , SUSUMU SEINO
Abstract: An eyeball detection unit of the present disclosure includes an irradiator that projects substantially parallel illumination light toward a cornea of an eyeball, a detector that detects light intensity of reflected light from the cornea, and a detection controller that identifies a centroid offset in an angular direction of the light intensity of the reflected light from the cornea with respect to a reference optical axis on the basis of a detected value by the detector, and thereafter calculates a positional offset of a cornea position with respect to the reference optical axis.
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