Solid-state image pick-up device with reference level clamping a

Details Solid-state image pick-up device with reference level clamping a Solid-state image pick-up device with reference level clamping a

1995-11-28

1998-03-24

Faile, Andrew

Television

Camera, system and detail

Combined image signal generator and general image signal...

348222, 348250, 348311, 257239, 377 62, 377 63, H04N 5217, H04N 964

Patent

active

057318336

ABSTRACT:
In order to stabilize the reference level of an output signal from a solid-state image pick-up device, the solid-state image pick-up device includes an output circuit 12 for obtaining a picture signal Y1(t) from information charges outputted from a horizontal shift register 11, an impedance conversion circuit 13 for reducing the output impedance of the picture signal Y1(t) and a clamp circuit 14 for fixing the reference level in the picture signal Y1(t), all of which are integrated on the same semiconductor substrate.

REFERENCES:
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patent: 5144444 (1992-09-01), Maclean
patent: 5153421 (1992-10-01), Tandon et al.
patent: 5220587 (1993-06-01), Takemoto et al.
patent: 5274687 (1993-12-01), Hirama
patent: 5276723 (1994-01-01), Miwada
patent: 5467130 (1995-11-01), Darden et al.
patent: 5473660 (1995-12-01), Bastiaens et al.
patent: 5475427 (1995-12-01), Horowitz
patent: 5515103 (1996-05-01), Ito

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