Image signal processing apparatus integrated on single semicondu

Details Image signal processing apparatus integrated on single semicondu Image signal processing apparatus integrated on single semicondu

1994-09-26

1996-05-07

Mancuso, Joseph

Television

Camera, system and detail

Solid-state image sensor

348229, H04N 5335

Patent

active

055151035

ABSTRACT:
An image signal processing apparatus is here disclosed in which analog circuits such as a sample and hold circuit 10 for sampling an image signal Y1 (t) for every bit of image information, a reference circuit 11 for generating a reference voltage in synchronization with the sample and hold circuit 10, a differential amplifier 12 for amplifying a difference between outputs of both, and a gamma correction circuit 14 for subjecting the output of the differential amplifier 12 to a non-linear correction are constituted of MOS transistor circuits, and they are integrated, on a single substrate, together with a timing control circuit 19 and a digital signal processing circuit 17 which are digital circuits.

REFERENCES:
patent: 4556911 (1985-12-01), Imaide et al.
patent: 5057926 (1991-10-01), Watanabe
patent: 5268764 (1993-12-01), Kihara et al.

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