Optical device and projector

Details Optical device and projector Optical device and projector

2009-06-11

2011-11-22

Pyo, Kevin (Department: 2878)

Optics: image projectors

Polarizer or interference filter

Reexamination Certificate

active

08061844

ABSTRACT:
An optical device includes: a plurality of reflection type light modulation devices; a plurality of reflection type polarization plates; a plurality of attachment members; a color combining device; a plurality of adjustment members; engaging projections provided on either the attachment members or the adjustment members and projecting toward the others of the attachment members and the adjustment members; and engaging receivers provided on the others of the attachment members and the adjustment members such that the engaging projections are inserted into the engaging receivers with clearances between the engaging receivers and the engaging projections.

REFERENCES:
patent: 7502078 (2009-03-01), Suzuki
patent: 2002/0030792 (2002-03-01), Takizawa et al.
patent: 2009/0141243 (2009-06-01), Suzuki
patent: 10-239783 (1998-09-01), None
patent: 10-319853 (1998-12-01), None
patent: 2000-310823 (2000-11-01), None
patent: 2003-270717 (2003-09-01), None
patent: 2006-003826 (2006-01-01), None
patent: 2006-209061 (2006-08-01), None
patent: 2007-108735 (2007-04-01), None
patent: 2007-183396 (2007-07-01), None

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