Patent ID: 7305321

Claim:
A multiple displacement sensor system comprising an amp unit row in which one or more amp units constituting an amp isolated type of displacement sensor are adjacently provided, and a transmission line connected to each amp unit constituting the amp unit row and transmitting measurement data generated in each amp unit in one direction, wherein an extension unit is connected to a transmission line similar to the amp unit and provided adjacent to the amp unit positioned at an end on the downstream of the transmission line in the amp unit row, the extension unit comprises: a measurement data accumulation memory in which the measurement data is accumulated; a measurement data acquiring part for acquiring the measurement data coming through the transmission line and accumulating it in the measurement data accumulation memory; a data analyzing part for analyzing the series of measurement data accumulated in the measurement data accumulation memory according to a predetermined algorithm; a determining part for determining a result analyzed by the data analyzing part; and an output part for outputting a control signal corresponding to a result determined by the determining part, to the outside.