Output amplifier for solid-state imaging device

Details Output amplifier for solid-state imaging device Output amplifier for solid-state imaging device

2007-07-24

2007-07-24

Lee, John R. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140AG, C348S300000, C330S277000

Reexamination Certificate

active

11444498

ABSTRACT:
An output amplifier for a solid-state imaging device is provided and includes: a floating diffusion that stores a signal charge; and at least three source follower circuits that output a signal in accordance with a change of a potential on the floating diffusion, the at least three source follower circuits being sequentially connected in decreasing order of drain voltage from a first circuit of the at least three source follower circuits to a last circuit of the at least three source follower circuits.

REFERENCES:
patent: 5287393 (1994-02-01), Miwada
patent: 5825249 (1998-10-01), Nakano
patent: 7088393 (2006-08-01), Park
patent: 2002/0063790 (2002-05-01), Takahashi
patent: 2003/0011698 (2003-01-01), Iesaka
patent: 2005/0285957 (2005-12-01), Mutoh et al.
patent: 2986752 (1999-10-01), None

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