Analog to digital converter for charge coupled signals

Details Analog to digital converter for charge coupled signals Analog to digital converter for charge coupled signals

1993-10-18

1995-10-10

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

H03M 138

Patent

active

054574595

ABSTRACT:
An apparatus and method for converting a charge packet into digital bit weights. The apparatus comprises a plurality of serially connected charge-coupled cells for receiving the charge packet at one end, such that the charge packet consecutively fills each CCD in the path. Also, a detector is coupled to another end of the CCD's for advancing charge within the CCD's and detecting whether each CCD is filled. A counter coupled to the detector for counting the number of CCD's which are not filled with charge, wherein the number represents a first form of digital bit weights of the charge packet.

REFERENCES:
patent: 3903543 (1975-09-01), Smith
patent: 4194187 (1980-05-01), Glendinning
patent: 4277694 (1981-07-01), Jensen
patent: 4333022 (1982-06-01), Whelan et al.
patent: 5010340 (1991-04-01), Green

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