Integration type A/D converter, and battery charger...

Details Integration type A/D converter, and battery charger... Integration type A/D converter, and battery charger...

2006-05-02

2006-05-02

Jeanpierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S141000, C341S166000

Reexamination Certificate

active

07038610

ABSTRACT:
An integration type A/D converter has two sets of integration type A/D converter sections which can be periodically switched over at a predetermined period, with one converter section integrating an input signal to give an integral output voltage and another converter section performing A/D conversion of the integral output voltage. Further, use is made of a residual time interval in the period of A/D conversion, for the integration of the ground voltage and a reference voltage and for A/D conversions of the integrated voltages. The inventive A/D converter permits accurate measurement of continuous integral values of a given input signal.

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