Proceedings PaperThree-Dimensional Display
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There have been many unsuccessful efforts to construct a practical three dimensional display. A display that could produce an up-dateable three dimensional image would have many applications ranging from air traffic control to the display of the higher order structure of proteins. A prototype that demonstrates the fundamental feasibility of a new technique has been constructed; and a more sophisticated, computer-driven display is under development. The new method is loosely based on older schemes involving the deformation or vibration of a lens or mirror, but it avoids the primary problems of these older displays. The technique consists of rotating a lens in front of a stationary, two dimensional light source in which the appropriate pixels are illuminated at calculated lens rotation angles. A real, luminous image is produced in front of the lens. A display based on this method is mechanically simple, produces high quality, large size images, is easily up-dateable, and can be in color.