Optical: systems and elements – Holographic system or element – For producing or reconstructing images from multiple holograms
Patent
1995-02-03
1996-12-31
Henry, Jon W.
Optical: systems and elements
Holographic system or element
For producing or reconstructing images from multiple holograms
359 22, 359562, G03H 126, G02B 2746
Patent
active
055899579
ABSTRACT:
A diffraction light modulated by a plane type phase distribution display device is deflected by an image formation optical system and is formed as an image onto a cylindrical screen surface and is diffused in the vertical direction by a unidirectional light diffusing section such as a lenticular lens or the like, so that a stereoscopic image can be seen. As a phase distribution display device, a liquid crystal device having pixels on the order of the wavelength in the circumferential direction and having coarse pixels in the radial direction is used. Thus, it is equivalent to that the phase distribution display device is located on the cylindrical surface. A cylindrical stereoscopic display can be performed by using the plane phase distribution display device.
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Aritake Hirokazu
Kato Masayuki
Nakashima Masato
Fujitsu Limited
Henry Jon W.
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