Spherical viewing/projection apparatus

Details Spherical viewing/projection apparatus Spherical viewing/projection apparatus

1995-11-30

2000-09-05

Nguyen, Thong

Optical: systems and elements

Compound lens system

Telescope

359725, 359851, 348 36, 353 94, G02B 2308, G03B 3704

Patent

active

061151769

ABSTRACT:
A nearly spherical view is provided using five cameras. Four cameras provide a 360 degree view of an area using a four sided pyramid shaped element. The four sides of the pyramid shaped element are reflective and reflect images from four different directions. Each camera is positioned to receive a reflected image from one of the reflective sides of the pyramid. The four cameras are arranged so that they share a common virtual optical center. A fifth camera with a wide angle lens is positioned with the camera's optical center positioned at the common virtual optical center. The fifth camera has a view in the direction of the pyramid's base to provide a nearly spherical view when combined with the 360 degree view of the other cameras.

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patent: 5030823 (1991-07-01), Obdeijin
patent: 5040055 (1991-08-01), Smith
patent: 5194958 (1993-03-01), Kaneko et al.
patent: 5305029 (1994-04-01), Yoshida et al.
patent: 5539483 (1996-07-01), Nalwa

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