Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1990-07-16
1991-10-01
Pellinen, A. D.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341139, H03M 114
Patent
active
050537717
ABSTRACT:
An adaptive dual range analog to digital converter particularly adaptive for use with film scanners employs a set-up parameter input arrangement for receiving externally generated control signals for adjusting the digital quantization step size of the analog to digital converter to compensate for quantization errors. According to a further embodiment of the present invention, the adaptive dual range analog to digital converter further includes an input signal range selection device for selecting a segment of the input analog signal to be converted to digital form using fine resolution quantization.
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Dugas Edward
Eastman Kodak Company
Hoff Marc S.
Pellinen A. D.
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