Focal plane array and driving method therefor

Details Focal plane array and driving method therefor Focal plane array and driving method therefor

1997-09-19

1999-12-07

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

348304, 348307, H04N 314

Patent

active

059987782

ABSTRACT:
A focal plane array comprising two-dimensionally arranged photodetectors, charge transfer devices, transfer gates and a pixel row selection circuit, the focal plane array being operated in such a manner that the signal charges are read out from the photodetectors to vertical charge transfer device in one horizontal retrace period and the signal charges stored in the vertical charge transfer device are transferred to outside of a photodetector array region, wherein the pixel row selection circuit comprises a shift register and a switching transistor connected between the shift register and the transfer gates; and by combination of driving the shift resister and driving the switching transistor the horizontal line is selected so that a photodetector from which signal charge is to be read out is selected.

REFERENCES:
patent: 4577233 (1986-03-01), Kimata
patent: 4581539 (1986-04-01), Kimata
patent: 5717199 (1998-02-01), Carbone et al.
patent: 5789736 (1998-08-01), Kawahara
H. Yagi, et al. "Monolithic Schottky-Barrier Infrared Image Sensor with 71% Fill Factor", Optical Engineering, vol. 33, No. 5, May 1994, pp. 1454-1460.
M. Kimata, et al. "A 512.times.512-Element PtSi Schottky-Barrier Infrared Image Sensor", IEEE Journal of Solid-State Circuits, vol. SC-22, No. 6, Dec. 1987, pp. 1124-1129.

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