Optics: motion pictures – Stereoscopic cameras and/or projectors – Simultaneous recording or reproducing left-right images
Patent
1996-03-15
1997-06-17
Metjahic, Safet
Optics: motion pictures
Stereoscopic cameras and/or projectors
Simultaneous recording or reproducing left-right images
352 65, 348 42, 348 50, G03B 3508, G03B 3502, H04N 1300, H04N 1302
Patent
active
056402228
ABSTRACT:
The lens body of a camera for sensing moving images is adapted for producing a stereoscopic image by first and second spaced apart optical deflectors. The deflectors include reflective surfaces which lie in parallel planes with respect to one another and which are disposed at an angle to the optical path of incoming image rays. The second deflector lies generally in the optical path of the incoming image rays and deflects incoming image rays from the scene to the first deflector which lies in the path of the deflected rays. The first deflector in turn deflects the image rays to the image sensing means in the camera body. Both deflectors are caused to rotate slowly about an axis defined by the optical path of the incoming image rays while maintaining their relative positions with respect to one another. The orientation of the lens with respect to the image sensing means of the camera remains fixed during rotation of the deflectors. In one embodiment the optical deflectors are positioned in front of the lens exteriorly of the lens body. In another embodiment the optical deflectors are positioned in the lens body of the camera behind the lens and the lens body is adapted for rotation while the lens does not rotate.
REFERENCES:
patent: 1282073 (1918-10-01), Hahn
patent: 1602251 (1926-10-01), Quidor et al.
Chapik Daniel
Metjahic Safet
Vanderburgh John E.
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