Patent ID: 7896807

Claim:
A physiologic data acquisition system, comprising: a plurality of integrated acquisition circuits, a first integrated acquisition circuit in the plurality of integrated acquisition circuits including a plurality of acquisition channels, each acquisition channel being programmable to acquire a signal from an independently selected physiological source, a first acquisition channel in the plurality of acquisition channels including: an analog input; a sigma-delta front end signal conditioning circuit; and an output; a digital multiplexer coupled to each acquisition channel in the plurality of acquisition channels, the digital multiplexer combining a plurality of digital signals into a serial data stream; a network interface coupled to the digital multiplexer, the network interface modulating a plurality of subcarriers with respective portions of the serial data stream; and a receiver networked to the integrated acquisition circuits that receives a plurality of serial data streams from the respective integrated acquisition circuits, the receiver sending a plurality of control signals to each respective integrated acquisition circuit and receiving the plurality of serial data streams from each respective integrated acquisition circuit over a single pair of wires.