Projector for portable electronic apparatus

Details Projector for portable electronic apparatus Projector for portable electronic apparatus

2006-09-05

2006-09-05

Perkey, W. B. (Department: 2851)

Optics: image projectors

Reflector

Plural

C353S094000, C353S085000, C348S771000

Reexamination Certificate

active

07101051

ABSTRACT:
A projector. The projector comprises a projection light source, a first digital micro-mirror device, and a second digital micro-mirror device. The projection light source emits a projection beam toward the first digital micro-mirror device. The first digital micro-mirror device reflects the projection beam to the second digital micro-mirror device. A first micro-mirror on the first digital micro-mirror device is rotated in a horizontal direction to adjust the horizontal position of the projection beam. The second digital micro-mirror device reflects the projection beam from the first digital micro-mirror device to a projection plate. Second micro-mirrors on the second digital micro-mirror device are rotated in a vertical direction to adjust the vertical position of the projection beam.

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