Color television camera having a color separation crossing strip

Details Color television camera having a color separation crossing strip Color television camera having a color separation crossing strip

1981-10-08

1983-11-22

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 907

Patent

active

044172729

ABSTRACT:
The image of a subject imaged on the photoelectric conversion surface of a pickup tube of the color television camera is defocused in a given direction by a given amount to make a blur so that beat interference due to specific black and white pattern of the subject does not occur in the reproduced picture. In first and second embodiments of the present invention, at least one optical filter having specific characteristics is employed for defocusing the image, while in a third embodiment, an aperture stop is used to defocus the image by utilizing the aberration of the lens system of the color television camera. The aperture stop of the third embodiment may be used together with the optical filter(s) of the first and second embodiments.

REFERENCES:
patent: 3940788 (1976-02-01), Abe
patent: 4009939 (1977-03-01), Okano
patent: 4083627 (1978-04-01), Okano
patent: 4318123 (1982-03-01), Knop

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