Optical: systems and elements – Stereoscopic
Reexamination Certificate
2005-09-06
2005-09-06
Chang, Audrey (Department: 2872)
Optical: systems and elements
Stereoscopic
C359S464000, C359S664000, C359S654000, C353S007000
Reexamination Certificate
active
06940645
ABSTRACT:
A monocentric autostereoscopic optical apparatus (10) for viewing a virtual image, electronically generated and projected on a curved surface. For each left and right image component, a separate optical system comprises an image generation system (70l, 70r) and projection system (72), the projection system comprising a spherical diffusive surface (40) and a spherical gradient-index ball lens assembly (31) to provide wide field of view. A monocentric arrangement of optical components images the ball lens pupil (48) at the viewing pupil (14) and essentially provides a single center of curvature (C) for projection components. Use of such a monocentric arrangement, diffusive surface (40), and ball lens (30) provides an exceptionally wide field of view with large viewing pupil (14).
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Kessler David
Liang Rongguang
Blish Nelson Adrian
Chang Audrey
Eastman Kodak Company
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