Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1982-03-08
1984-03-06
Martin, John C.
Facsimile and static presentation processing
Facsimile
Recording apparatus
333165, 358167, H04N 314
Patent
active
044357303
ABSTRACT:
Output signals are derived from two portions of a CCD imager. The first output signal is derived from a drain diffusion in the form of a signal current and applied to an amplifier with poor high frequency S/N due to needed high frequency peaking. The second output signal is derived from a floating diffusion (or floating gate) through an on-chip MOSFET amplifier which has a poor low frequency S/N due to 1/f noise. The first and second output signals are filtered through complementary LPF and HPF respectively and then combined together.
REFERENCES:
patent: 2514022 (1950-07-01), Bedford
Bendell Sidney L.
Levine Peter A.
Martin John C.
Meise W. H.
Parker Michael D.
RCA Corporation
Steckler H. I.
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