Solid state image pickup device and method

Details Solid state image pickup device and method Solid state image pickup device and method

1993-04-28

1995-05-30

Razavi, Michael T.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348302, 348304, 348296, 348241, H04N 315, H04N 5335

Patent

active

054206316

ABSTRACT:
A solid state imaging device includes an image sensor having a two-dimensional matrix of picture elements. A first vertical scanning circuit provides a first vertical scanning signal, while a second vertical scanning circuit provides second and third vertical scanning signals. A switching circuit is coupled with horizonal lines of picture elements in the image sensor on one vertical side of the two-dimensional matrix and serves to switch either the first vertical scanning signal from the first vertical scanning circuit to the horizontal lines of picture elements, or in the alternative, the second and third vertical scanning signals from the second vertical scanning circuit thereto. When selected by the switching circuit, the first vertical scanning signal reads the picture elements in a respective horizontal line and a horizontal scanning circuit scans the picture elements in the selected horizontal line to read image signals from these picture elements. The second vertical scanning signal, when selected by the switching circuit, serves to reset the picture elements of the line which has been read, while the third vertical scanning signal serves to reset the picture elements in a different selected horizontal line.

REFERENCES:
patent: 4518863 (1985-05-01), Fukuoka et al.
patent: 4589024 (1986-05-01), Koch et al.
patent: 4609825 (1986-09-01), Berger et al.
patent: 4870493 (1989-09-01), Izawa et al.
patent: 5027217 (1991-06-01), Oshio et al.
IEEE Journal of Solid-State Circuits, vol. SC-15, No. 3, Jun. 1980, New York (US) pp. 373-375 Robert J. Kansy `response of a correlated double sampling circuit to 1/f noise` p. 373, left column, line 7-Line 37; figure 1.

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