Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate
2006-01-31
2006-01-31
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
C359S634000, C359S638000, C359S639000
Reexamination Certificate
active
06992833
ABSTRACT:
A color combining optical system which can suppress occurrence of a thermal problem and increase in size is disclosed. The color combining optical system comprises a first optical element which has a first optical film reflecting light having a first polarizing direction and transmitting light in a second polarizing direction and combines the first and second color lights by the first optical film. In addition, the optical system comprises a polarizing plate which analyzes a third color light. Furthermore, the optical system comprises a second optical element which combines, by a second optical film, the third color light transmitted through the polarizing plate with the first and second color lights combined by the first optical element.
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English translation of JP2002-169221; and.
English translation of JP2002-122810.
Abe Masayuki
Chigira Tatsuo
Okuyama Atsushi
Morgan & Finnegan L.L.P.
Schwartz Jordan M.
Stultz Jessica
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