Optics: image projectors – Housing
Reexamination Certificate
2007-09-25
2007-09-25
Dowling, William C. (Department: 2851)
Optics: image projectors
Housing
C353S100000
Reexamination Certificate
active
11206800
ABSTRACT:
An optical device body (440A) includes an electro-optic device (440B), a projection lens (445), and a supporting structure (446). The supporting structure (446) includes a supporting structure body (4461) attached on a base end of the projection lens (445), an upper mount (4462) and a lower mount (4463) respectively fixed on an upper surface and a lower surface of a cross dichroic prism (444), and spacers (4464) interposed between: the supporting structure (4461); and the upper mount (4462) and the lower mount (4463). The spacers (4464) are respectively disposed near four corners of a planar rectangular light irradiation surface of the cross dichroic prism (444).
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Dowling William C.
Oliff & Berridg,e PLC
Seiko Epson Corporation
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