Eye detection apparatus and image display apparatus

Details Eye detection apparatus and image display apparatus Eye detection apparatus and image display apparatus

2005-10-06

2008-08-19

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S708000, C351S205000, C348S239000

Reexamination Certificate

active

07414791

ABSTRACT:
What is disclosed is an eye detection apparatus which can detect the pupil position accurately. The apparatus has an image taking unit that picks up an image of an eye and a pupil detection unit that detects the position of the pupil in the eye based on an image picked up by the image taking portion. The pupil detection unit determines the pupil position based on images picked up by the image taking unit in a plurality of states.

REFERENCES:
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patent: 7324669 (2008-01-01), Nakanishi et al.
patent: 2005/0117802 (2005-06-01), Yonaha et al.
patent: 2006/0077344 (2006-04-01), Kashiwagi et al.
patent: 5-66340 (1993-03-01), None
patent: 6-276459 (1994-09-01), None
patent: 2001-142026 (2001-05-01), None

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