Solid-state imaging apparatus

Details Solid-state imaging apparatus Solid-state imaging apparatus

1994-07-20

1996-11-05

Garber, Wendy

Television

Camera, system and detail

Solid-state image sensor

348312, 348317, 348674, H04N 5335

Patent

active

055722563

ABSTRACT:
A solid-state imaging apparatus which effects an electronic shutter operation comprises a solid-state imaging device made up of a plurality of photosensitive pixels arranged in a matrix on a semiconductor substrate, a driving circuit for driving the solid-state imaging device and also controlling the photoelectric conversion time of the photosensitive pixel, a vertical CCD for clipping a first signal obtained during a longer photoelectric conversion time in the solid-state imaging device, at a specified level or above, and then adding the clipped signal to a second signal obtained during a shorter photoelectric conversion time, and a signal processing circuit for amplifying and outputting the added signal, and setting an amplification degree for the second signal to a value larger than an amplification factor for the first signal.

REFERENCES:
patent: 4489349 (1984-12-01), Okada
patent: 4521803 (1985-06-01), Gittinger
patent: 4768084 (1988-08-01), Noda et al.
patent: 5089890 (1992-02-01), Takayama
patent: 5162902 (1992-11-01), Bell et al.
patent: 5264944 (1993-11-01), Takemura
patent: 5295001 (1994-03-01), Takahashi
patent: 5438365 (1995-08-01), Yamashita et al.
IEEE Transactions on Electron Devices, vol. ED-32, No. 8, Aug. 1985, pp. 1511-1513 A Photoelectric Conversion-Characteristic Control Method for Interline Transfer CCD Imager.

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