Patent ID: 7633327

Claim:
An apparatus including signal integration circuitry for integrating a continuous current and a discrete charge, comprising: signal integration circuitry including a plurality of signal electrodes and responsive to a continuous current and a discrete charge by providing an integrated signal; switched capacitive circuitry responsive to a plurality of voltages and a portion of a plurality of control signals by providing said discrete charge during a first one of a plurality of time intervals; and first switch circuitry coupled between said switched capacitive circuitry and a portion of said plurality of signal electrodes and responsive to another portion of said plurality of control signals by conveying said discrete charge, wherein said discrete charge is conveyed to a first one of said portion of said plurality of signal electrodes during said first one of said plurality of time intervals, and each remaining one of said portion of said plurality of signal electrodes during respective successively latter portions of said first one of said plurality of time intervals.