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Publication of FR944820ApublicationCriticalpatent/FR944820A/en
G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
G02B30/40—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images giving the observer of a single two-dimensional [2D] image a perception of depth
FR944820D1947-03-261947-03-26
Optical device for obtaining relief by viewing a single image
ExpiredFR944820A
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