Correcting charge transfer inefficiency in a charge coupled...

Details Correcting charge transfer inefficiency in a charge coupled... Correcting charge transfer inefficiency in a charge coupled...

2007-07-03

2007-07-03

Young, Brian (Department: 2819)

Coded data generation or conversion

Converter compensation

C341S163000

Reexamination Certificate

active

11254070

ABSTRACT:
A technique for correcting charge transfer inefficiencies in a Charge Coupled Device (CCD). The basic approach is to estimate the charge entering at a given stage in a CCD pipeline, and to then determine an estimate of the error introduced by the accumulated leftover charge that will be present at a second point, farther down the pipeline. The error is then corrected by injecting a correcting charge at a third point, farther still down the CCD pipeline. The invention is used, in one embodiment, to correct the output of a charge to digital converter, although principals of the invention may be used for other types of circuits.

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patent: 5579007 (1996-11-01), Paul
patent: 5786783 (1998-07-01), Hasegawa
patent: 6606042 (2003-08-01), Sonkusale et al.

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