Optical: systems and elements – Lens – Panoramic
Reexamination Certificate
2006-03-28
2006-03-28
Schwartz, Jordan M. (Department: 2873)
Optical: systems and elements
Lens
Panoramic
C359S718000, C359S728000
Reexamination Certificate
active
07019918
ABSTRACT:
A panoramic lens includes an aspherical convex surface and an aspherical concave surface. The convex surface includes a transparent portion and an internally reflective portion, and the concave surface also includes a transparent portion and an internally reflective portion. Light from a 360-degree surrounding scene enters the panoramic lens through the transparent portion of the convex surface, is reflected by the internally reflective portion of the concave surface, is reflected by the internally reflective portion of the convex surface, and exits the panoramic lens through the transparent portion of the concave surface as a narrow column of light beams. Light beams containing image data can be provided to the transparent portion of the concave surface, and those beams will follow this same optical path through the panoramic lens in reverse to project a panoramic image out from the transparent region of the convex surface.
REFERENCES:
patent: 5473474 (1995-12-01), Powell
patent: 6449103 (2002-09-01), Charles
patent: 6646818 (2003-11-01), Doi
patent: 2004/0008407 (2004-01-01), Wallerstein et al.
DeMarta Stanley P.
Driscoll, Jr. Edward C.
Hoffman Robert G.
Wallerstein Edward P.
Be Here Corporation
Mao Edward
Schwartz Jordan M.
Silicon Valley Patent Group
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