Imaging apparatus including a pixel shifting means

Details Imaging apparatus including a pixel shifting means Imaging apparatus including a pixel shifting means

1995-12-20

1998-01-27

Grimley, Arthur T.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 55, 355 71, 348264, 358448, H04N 5335, H04N 100, G03B 2732, G03B 2772

Patent

active

057127000

ABSTRACT:
An image pick-up apparatus includes, an image pickup device having a plurality of pixels disposed with a predetermined distance therebetween to pick up an image on a photographic original with respect to a plurality of colors; an image forming device having an optical axis, to form the image of the photographic original onto the image pickup device; a pixel shifting device to shift a focal point of the image on the image pickup device by a distance shorter than a distance between the pixels of the image pickup device; a plurality of color filters having a plurality of colors different from each other; and a filter selector to select a color filter from the plurality of color filters and for disposing the color filter between the photographic original and the image pickup device. The image pick-up apparatus further includes a controller to control the image pickup device to pick up the image of the photographic original in a first condition that makes the pixel shifting device operative, and to pick up the image of the photographic original in a second condition that makes the pixel shifting device inoperative, at each time when the controller controls the filter selector to change a color filter to another color filter of the plurality of color filters.

REFERENCES:
patent: 4618990 (1986-10-01), Sieb, Jr. et al.
patent: 4731671 (1988-03-01), Alkofer
patent: 4903068 (1990-02-01), Shiota
patent: 5043803 (1991-08-01), Asaida
patent: 5194891 (1993-03-01), Gan

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