Image projector apparatus having an elevation adjustment...

Details Image projector apparatus having an elevation adjustment... Image projector apparatus having an elevation adjustment...

2006-04-04

2006-04-04

Perkey, W. B. (Department: 2851)

Optics: image projectors

Housing

C348S794000

Reexamination Certificate

active

07021773

ABSTRACT:
An image projection apparatus having an adjuster mechanism with a projecting member projecting from a bottom surface of the case to adjust the elevation angle of a projection lens and an opening/closing member located at a front surface of said projection lens for opening or closing the projection opening. The adjuster mechanism uses an electric motor to move the projecting member up and down. The opening/closing member is opened/closed using a linkage mechanism linked to the adjuster mechanism.

REFERENCES:
patent: 5605390 (1997-02-01), Brice et al.
patent: 5836664 (1998-11-01), Conner et al.
patent: 6604831 (2003-08-01), Prestigomo et al.
patent: 2004/0041985 (2004-03-01), Kimura et al.
patent: 6-317845 (1994-11-01), None
patent: 2582651 (1998-07-01), None
patent: 2000-241874 (2000-09-01), None
patent: 2000-241875 (2000-09-01), None
JP6-317845-A as translated by the Thomson corp. on Jun. 13, 2005.
JP2582651-Y2 as translated by the Thomson corp. on Jun. 13, 2005.

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