Optics: motion pictures – Stereoscopic cameras and/or projectors – Interlineated
Patent
1988-09-21
1991-04-02
Hayes, Monroe H.
Optics: motion pictures
Stereoscopic cameras and/or projectors
Interlineated
352 43, 352 69, 352 81, 355 22, 350128, G03B 3500
Patent
active
050043358
ABSTRACT:
System capable of reproducing high quality moving three-dimensional images with a non limited orthoscopic viewing angle consisting of the projection of several images PR.sub.1. PR.sub.2 . . . PRn, taken from several different spatial positions onto a transparent optical system; this transparent optical system is composed, in its front part, of an optical sheet of vertical cylinders (1) of small enough transverse dimensions so as to be imperceptible, such that the relationship between its transverse dimensions d and its focal length f is at least greater than the value obtained when dividing the distance between two adjacent projectors K.sub.R by the projection distance B and less than twice this value and in which its rear part has an optical sheet of horizontal cylinders 2, of transverse dimensions small enough so as to be imperceptible and of a semicircular cross-section or of an arc of a circle of sufficiently small radius, so as to allow all the observers to see the image in its full height; the thickness e of the optical system has to be such that the focal lines of these horizontal cylinders are on the same plane as that which contains the focal lines of the vertical cylinders.
REFERENCES:
patent: 1883290 (1932-10-01), Ives
patent: 1918705 (1933-07-01), Ives
patent: 3482913 (1969-12-01), Glenn
patent: 4078854 (1978-03-01), Yano
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