Optical system alternating image capture and image projection

Details Optical system alternating image capture and image projection Optical system alternating image capture and image projection

2007-06-15

2010-10-05

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Reflector

C353S021000, C353S028000, C353S030000, C353S097000, C348S014010, C348S014020, C348S014030, C348S014040, C348S014050, C348S014060, C348S014070, C348S014080, C348S014090, C348S014110, C348S014120, C348S014130, C348S014140, C348S014150, C348S014160, C359S630000, C359S631000, C359S632000, C359S633000

Reexamination Certificate

active

07806533

ABSTRACT:
An optical system comprises a first image capture device for capturing an image of an observation area, a first display device, a semi-reflecting plate, a concave mirror disposed facing the first display device, and a second display device for displaying a background image. A light beam is scattered by the first display device through the semi-reflecting plate and then reflected by the mirror and the semi-reflecting plate in order to display an aerial image between the semi-reflecting plate and the observation area. A projector projects a light beam toward one of the display devices. The first image capture device is adapted to capture the image of the observation area via said one display device. A alternating control device alternates capture of an image of the observation area by the first image capture device and projection of the light beam projected by the projector.

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