AD conversion method

Details AD conversion method AD conversion method

2005-11-08

2005-11-08

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S144000

Reexamination Certificate

active

06963299

ABSTRACT:
At step S1, an analog signal is input. At step S2, a high potential and a low potential input to a DA converter are respectively selected. At step S3, a first AD conversion of the analog signal is performed. At step S4, a voltage range is narrowed down by respectively switching the high potential and the low potential on the basis of conversion data from the first AD conversion. At step S5, a second AD conversion of the analog signal is performed. At step S6, the conversion data from the first AD conversion and conversion data from the second AD conversion are combined to be output as a single digital signal.

REFERENCES:
patent: 4736189 (1988-04-01), Katsumata et al.
patent: 5047772 (1991-09-01), Ribner
patent: 5361067 (1994-11-01), Pinckley
patent: 6054945 (2000-04-01), Doyle
patent: 6313779 (2001-11-01), Leung et al.
patent: 10-107632 (1998-04-01), None

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