Image pickup device for stabilizing optical aberrations

Details Image pickup device for stabilizing optical aberrations Image pickup device for stabilizing optical aberrations

1991-07-05

1992-09-29

Razavi, Michael

Facsimile and static presentation processing

Facsimile

Recording apparatus

358209, 359619, H04N 5225, G02B 1316

Patent

active

051517906

ABSTRACT:
An image pickup device for use in a general image pickup input apparatus such as a video camera, an electronic camera and the like to prevent generation of a false signal or moires. The image pickup device includes an optical filter interposed between a taking lens and an image pickup element. Due to this, the image of an object light is formed by the taking lens at a given image forming position, and a spot image at the image forming position enters the optical filter as a divergent light in a given circle and is then guided through the optical filter to the image pickup element. This can remove space frequency components corresponding to the pixel pitch of the image pickup element and prevent the optical aberrations from being unstabilized.

REFERENCES:
patent: 4804249 (1989-02-01), Reynolds et al.
patent: 4805028 (1989-02-01), Nishioka et al.
patent: 4998801 (1991-03-01), Shiraishi et al.
patent: 5029010 (1991-07-01), Shiraishi

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