Solid state imaging device having common output coupling for mon

Details Solid state imaging device having common output coupling for mon Solid state imaging device having common output coupling for mon

1994-12-27

1997-02-25

Garber, Wendy

Television

Camera, system and detail

Optics

348324, 257238, 257239, H04N 5232

Patent

active

056063679

ABSTRACT:
A solid state imaging device includes a plurality of picture photosensitive pixels (pixel trains P.sub.1 -P.sub.n) for generating signal charges corresponding to an incident light amount, a shift gate (12) and a charge coupled device (CCD) register. (13) for sequentially transferring the signal charges outputted from the picture photosensitive pixels, and a monitor photosensitive pixel for generating signal charges in proportion to a mean value of the incident light amount of a predetermined number of the picture photosensitive pixels. The device further includes a single output circuit for converting both signal charges, one of which are generated in the picture photosensitive pixels and transferred through the shift, gate and CCD register, and the other of which are generated in the monitor photosensitive pixels, into an output signal, thereby providing the solid state imaging device capable of accurately measuring a mean value of the signal charges of the picture photosensitive pixels.

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