Color line sensor for use in film scanning apparatus

Details Color line sensor for use in film scanning apparatus Color line sensor for use in film scanning apparatus

1979-08-20

1981-07-14

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 911

Patent

active

042789958

ABSTRACT:
A color line sensor for use in color film scanning apparatus is disclosed. The scanning apparatus is of the type employing a line sensor for scanning an image of the film in one direction and having means for continuously displacing the image relative to the sensor, in a direction generally perpendicular to the line scan direction, to effect a raster scan composed of a number of equally spaced lines. The color line sensor includes a plurality of line sensing arrays, spaced apart from each other by a distance corresponding to the spacing between scan lines in the raster. Each line sensing array is sensitized to a particular color of light so that a plurality of color signals are produced by the sensor. Respective color signals from the line sensing arrays are delayed by an amount sufficient to cause all the color signals emerging from the color line sensor at any given instant to represent the same point in the image.

REFERENCES:
patent: 3720782 (1973-03-01), Kaminski et al.
patent: 3803353 (1974-04-01), Sanderson et al.
patent: 3971065 (1976-06-01), Bayer
Wright, "Solid-State Sensors: The Use of a Single Dimension 512-Element Array for Film Scanning", BBC Research Report No. 1973/32.
Childs et al., "An Experimental Telecine Using a Line-Array CCD Sensor", SMPTE Journal, vol. 87, No. 4, Apr. 1978, pp. 209-213.

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