STEREOSCOPIC VIEWING EQUIPMENT

摘要

A stereoscopic viewing instrument has a screen movable parallel and perpendicular to its support base. Two optical projectors project a stereoscopic pair of photographs on to the screen, the projectors being possibly coupled with a pair of shutter devices. To enable an observer to view the projected images from unrestricted positions, between the observer and the screen are interposed a bundle of transparent glass fibers forming a light-wave guide to transmit the images to an enclosure on to a synchronized disc having equal deflecting and transmitting sectors therein. A mirror and eyepiece direct the respective beams into the observer's fields of view. The projectors and eyepieces may have corresponding associated color filters. Alternatively, the light-wave guide may be replaced by a television circuit having a camera fixed to the screen and a receiver, with a pair of perpendicular revolving opaque plates or color filters synchronized with respective shutter devices.