Noise free, line form image sensor

Details Noise free, line form image sensor Noise free, line form image sensor

1991-01-10

1993-07-20

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821329, 35821331, 2502081, H04N 530, H04N 102

Patent

active

052298582

ABSTRACT:
An image sensor comprising a plurality of light-receiving elements, each of which consists of a pair of photodiodes connected in series-opposition. Since the voltages generated at these photodiodes when equal intensities of light is projected on them are equal to each other, no current leaks, thereby generating no noise.

REFERENCES:
patent: 4499384 (1985-02-01), Segawa et al.
patent: 4556800 (1985-12-01), Ohta et al.
patent: 4565928 (1986-01-01), Yamamoto et al.
patent: 4604527 (1986-08-01), Chenevas-Paule et al.
patent: 4714836 (1987-12-01), Kitamura et al.
patent: 4746804 (1988-05-01), Kitamura et al.
patent: 5026980 (1991-06-01), Ondris

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