Gain and error correction circuitry

Details Gain and error correction circuitry Gain and error correction circuitry

1998-01-09

2000-07-25

Ham, Seungsook

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

348308, H01L 2700, H04N 314

Patent

active

060939249

ABSTRACT:
Gain and error correction circuitry for metal-oxide-semiconductor (MOS) analog storage circuits, including image sensors. The correction circuitry allows the analog output signal for a storage cell to substantially track an input signal in each cell. Voltage dependent distortion and attenuation in the output signal, with respect to the input signal, is minimized, without significantly increasing the size of each cell.

REFERENCES:
patent: 5471515 (1995-11-01), Fossum et al.
patent: 5877715 (1999-03-01), Cowda et al.
J.E.D. Hurwitz, P.B. Denyer, D.J. Baxter, and G. Townsend, "An 800K-Pixel Color CMOS Sensor for Consumer Still Cameras," SPIE vol. 3019 (1997), pp. 115-124.
S.K. Mendis, S.E. Kemeny, R.C. Gee, B. Pain, Q. Kim, and E.R. Fossum, "Progress in CMOS Active Pixel Image Sensors," SPIE vol. 2172 (1994), pp. 19-29.

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