Patent ID: 11871311
Assignee: FOUNDATION MONITORING SYSTEMS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  E | IPC E  H

Claim 17:
18. A method comprising:
receiving, at a receiver, a first signal from an elevation sensor disposed on a foundation of a building,
wherein the receiver is disposed on a platform that comprises a stable frame of reference relative to the foundation,
wherein the first signal comprises an elevation measurement taken by the elevation sensor;

determining, by the receiver using the first signal and the stable frame of reference, a change in elevation of the elevation sensor;
transmitting, by the receiver, the change in elevation to a central station;
repeating receiving, determining, and transmitting at a time interval to generate a plurality of changes in elevation; and
transmitting, to the central station, the plurality of changes in elevation of the elevation sensor.