Telegraphy – Systems – Simplex-reversing periodic
Patent
1973-11-26
1976-01-13
Britton, Howard W.
Telegraphy
Systems
Simplex-reversing periodic
H04N 954
Patent
active
039326993
ABSTRACT:
A depth perception television system is described. Light radiation from a three-dimensional scene is collected by a convergent lens and transmitted through a lenticulated grid onto the face of a light radiation sensing tube of a television camera. The lenticulated grid is made up of a multiplicity of vertically oriented lens elements, each of which has a generally cylindrical arc incident surface and a generally planar exit surface. Such lenticulated grid acts to separate light radiation received thereby into a plurality of image elements of each aspect of the scene and then focus the same at predetermined locations on the pick-up surface of the camera. An electrical signal representative of the locations on the face of the camera at which such image elements are focused is formed in a conventional manner by the camera and transmitted to a monitor which conventionally displays such image elements on a display screen, such as the face of a cathode ray tube. The image element radiation from the display screen is intercepted by a second lenticulated grid similar to the first but with the radiation passing in the opposite direction therethrough. The lens elements of the second grid act to isolate each eye from seeing more than one of the multiple images on the screen at a time and to insure that each eye sees a slightly different image as though viewing from a different location.
REFERENCES:
patent: 3632866 (1972-01-01), King
patent: 3688045 (1972-08-01), Ohkoshi
patent: 3852524 (1974-12-01), Ando
Britton Howard W.
Masinick Michael A.
Zimmerman, Esq. C. Michael
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