Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2005-01-11
2005-01-11
Dang, Hung Xuan (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C359S242000, C359S267000, C359S629000
Reexamination Certificate
active
06842292
ABSTRACT:
The light emitted from a warning display unit16is passed through a front glass18formed at the opening of a dash board17and a semi-permeable combiner12having a first polarizing plate12bin this order so that it is guided to a driver's view point I. A second polarizing plate having the same polarizing direction as that of the first polarizing plate12bis formed on the surface of the front glass18. In this configuration, the wash-out in the warning display unit, i.e. a light emitting source, arranged behind a combiner can be prevented and visual recognition of the light emitting source can be improved.
REFERENCES:
patent: 6100943 (2000-08-01), Koide et al.
Furuya Yoshiyuki
Sugiyama Tetsuya
Armstrong Kratz Quintos Hanson & Brooks, LLP
Dang Hung Xuan
Yazaki -Corporation
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