Patent classifications
G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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30/00
Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
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G02B30/20
by providing first and second parallax images to an observer's left and right eyes
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G02B30/34
Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. three-dimensional [3D] slide viewers
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