Solid state imaging device having a constant pixel integrating p

Details Solid state imaging device having a constant pixel integrating p Solid state imaging device having a constant pixel integrating p

1992-12-30

1994-01-04

Mancuso, Joseph

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821315, 35821318, H04N 314, H04N 5335

Patent

active

052765210

ABSTRACT:
A solid state imaging device including light receiving change Modulation Device as pixels arranged in the form of a matrix, including a horizontal scanning circuit to output video signal current, and vertical scanning circuit for sequentially selecting successive rows by applying a pixel readout driving signal to each row line-by-line. A signal is applied to the non-selected rows forming an integrating voltage during a horizontal blanking period and forming an overflow voltage during a horizontal video effective period. The pixel readout driving signal is applied to the selected row and consists of a readout voltage, followed by a reset voltage during the horizontal blanking period. A signal forming an overflow voltage during the horizontal video effective period is then applied to the selected row. The video signal currents for each column line are simultaneously stored in a storage means, which is operated to sequentially output the video signal currents simultaneously stored for each of the column lines. With this arrangement, the period of integrating time and the blooming resistance for each pixel become consistent regardless of pixel position.

REFERENCES:
patent: 4589027 (1956-05-01), Nakamura et al.
patent: 4819071 (1989-04-01), Nakamura
patent: 4839729 (1989-06-01), Ando et al.
patent: 4937674 (1990-06-01), Mizoguchi et al.
"New MOS Image Sensor Operating in a Non-Destructive Readout Mode" T. Nakamura, K. Matsumoto, R. Hyuga and A. Yusa, IEDM 86, vol. 14.2, pp. 353-356.
Electronic Letters, Dec. 8, 1988, vol. 24 No. 25, pp. 1560-1562.

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