Image pickup apparatus with supervision of noise level differenc

Details Image pickup apparatus with supervision of noise level differenc Image pickup apparatus with supervision of noise level differenc

1989-03-13

1991-02-12

Crosland, Donnie L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358162, 358163, 35821316, H04N 314, H04N 5335

Patent

active

049928775

ABSTRACT:
There is provided an image pickup apparatus having an image pickup element for dividing a photoelectrically converted video signal of one frame into first and second fields and for sequentially reading the fields out, wherein the apparatus has a suppression circuit to suppress the signal of a predetermined band in the video signal from the image pickup element by different magnitudes for the first and second fields.

REFERENCES:
patent: 4336552 (1982-06-01), Tanaka
patent: 4510528 (1985-04-01), Bergen
patent: 4541014 (1985-09-01), Yagi
patent: 4559558 (1985-12-01), Hosoya
patent: 4675738 (1987-06-01), Okino
patent: 4746985 (1988-05-01), Waldron
patent: 4814811 (1989-03-01), Saito

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