Rear projection type display apparatus

Details Rear projection type display apparatus Rear projection type display apparatus

2011-01-04

2011-01-04

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

With field curvature shaping

Reexamination Certificate

active

07864436

ABSTRACT:
A projection unit is mounted on a projection magnification correcting member, and the projection magnification correcting member includes a first member and a second member. The first member includes a first correction mechanism for correction in a direction parallel to a central light ray, and is supported by a housing. The second member includes a second correction mechanism for correction in a direction parallel to a normal line to an image plane enlarged and projected from the projection unit without passing through a reflection mirror, and is supported by the first member.

REFERENCES:
patent: 6565213 (2003-05-01), Yamaguchi et al.
patent: 2005/0259336 (2005-11-01), Kobayashi
patent: 2004-069776 (2004-03-01), None

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