Method for increasing signal to noise ratio

Facsimile and static presentation processing – Static presentation processing – Size – resolution – or scale control

Reexamination Certificate

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Details

C358S475000, C358S509000, C358S520000, C358S463000, C348S297000, C348S362000, C348S312000, C250S208100, C250S226000

Reexamination Certificate

active

07034957

ABSTRACT:
A method for increasing signal to noise ratio is disclosed. The method can automatically detect saturation output voltage of the photosensors via adjusting exposure time or illumination intensity so as to obtain optimum output voltage of the photosensors as well as high signal to noise ratio that can generate high quality images.

REFERENCES:
patent: 4985882 (1991-01-01), Tanaka et al.
patent: 5479207 (1995-12-01), Degi et al.
patent: 5773814 (1998-06-01), Phillips et al.
patent: 6084936 (2000-07-01), Patch
patent: 6933168 (2005-08-01), Bawolek et al.
patent: 2005/0219378 (2005-10-01), Kubota et al.

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