Optical scanner and image display apparatus having the same

Details Optical scanner and image display apparatus having the same Optical scanner and image display apparatus having the same

2005-02-11

2009-08-11

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

By moving a reflective element

C359S198100, C359S199100, C359S224200

Reexamination Certificate

active

07573626

ABSTRACT:
Provided is an optical scanner for observing an image that is formed by performing two-dimensional scanning with the aid of a swinging movable mirror, using light beams modulated on the basis of image information and emitted from a light source unit. An optical scanner of the present invention includes a scanning device and a fixing member having an attachment portion for attachment of the scanning device, the scanning device including a movable mirror, an elastic support portion supporting the movable mirror such that the movable mirror can swing around a swinging center, a support base supporting the elastic support portion, and a swinging unit for swinging the movable mirror. A first surface of the attachment portion is formed on a plane of a surface of the movable mirror. A second surface of the attachment portion is formed on a plane which is perpendicular to the surface of the movable mirror and includes the swinging center. A third surface of the attachment portion is formed on a plane which is perpendicular to a surface of the movable mirror and includes a center line perpendicular to the swinging center in the surface of the movable mirror.

REFERENCES:
patent: 5467104 (1995-11-01), Furness, III et al.
patent: 5606447 (1997-02-01), Asada et al.
patent: 5629790 (1997-05-01), Neukermans et al.
patent: 5982528 (1999-11-01), Melville
patent: 8-334723 (1996-12-01), None
patent: 3-219465 (2001-08-01), None
M. P. Helsel et al.; “Wafer Scale Packaging for a MEMS Video Scanner”;Proceedings of SPIE; vol. 4407 (Jun. 2001); pp. 214-220.

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