Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1978-10-04
1980-07-22
Murray, Richard
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 92, H04N 960
Patent
active
042142571
ABSTRACT:
A method for reproducing a three-dimensional image on a color television picture tube. A right side optical system is used for taking a picture of the right side portion of a subject or a scene while a left side optical system for taking a picture of the left side. The video signals pertaining only to the first and all odd field scannings are derived from the right side optical system while the video signals pertaining only to the second and all even field scannings are derived from the left side optical system. When reproduced, the trios of color dots or strips excited along each of the odd numbered scanning lines are spaced apart from each other by two color dot or strip pitches in the horizontal direction and also spaced apart by one pitch line from the trios of color dots or strips excited along the adjacent even-numbered scanning lines. The trios of color dots or strips excited along all odd or even scanning lines are in line with each other in the vertical direction and spaced apart from each other by one pitch, thus forming straight vertical stripes of the trios of color dots or strips. Thus the vertical stripes of the trios of color dots or strips produced by the scanning of the first and all odd fields and the second and all even fields alternate with each other. When the images reproduced alternately by the scanning of the first and all odd fields and the second and all even fields are viewed through a lenticular lens disposed in front of the phosphor screen of the picture tube, one may perceive a three-dimensional color image. A color television picture tube adapted to carry out the above method is also disclosed.
REFERENCES:
patent: 2931855 (1960-04-01), Abramson
patent: 3529082 (1970-09-01), Hoesli
patent: 3770887 (1973-11-01), Van Buskirk
patent: 4145713 (1979-03-01), White
Murray Richard
Ricoh & Company, Ltd.
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