Head-up display apparatus

Details Head-up display apparatus Head-up display apparatus

2011-05-03

2011-05-03

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S633000

Reexamination Certificate

active

07936518

ABSTRACT:
A head-up display apparatus includes an infrared ray emitting unit for emitting an infrared ray toward a user, a mirror member for reflecting visible light emitted from a display toward a combiner member, and transmitting the infrared ray reflected by the user and the combiner member, a plurality of imaging units disposed to face the mirror member for sensing the infrared ray, each imaging the user from differing directions, and an image processing unit for calculating the eye position of the user based on an image captured by the imaging units.

REFERENCES:
patent: 5734357 (1998-03-01), Matsumoto
patent: 6504518 (2003-01-01), Kuwayama et al.
patent: 7111939 (2006-09-01), Cok et al.
patent: 60-183238 (1985-09-01), None
patent: 6-247184 (1994-09-01), None
patent: 8-156646 (1996-06-01), None
patent: 2003-344801 (2003-12-01), None

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