Patent ID: 7373828

Claim:
A landform monitoring system comprising: a mounting frame adapted to be fixed at a position adjacent to a landform to be monitored and having an outer surface; and a plurality of sensing units mounted on said mounting frame, each of said sensing units including a pressure sensing device that includes a housing unit configured with an accommodating space and having a first opening in fluid communication with said accommodating space and distal from said outer surface of said mounting frame, and a second opening in fluid communication with said accommodating space and adjacent to said outer surface of said mounting frame, a pressure sensor having a pressure sensing side attached to said housing unit and sealing said first opening, a flexible sheet attached to said housing unit and sealing said second opening, and a fluid medium filled fully in said accommodating space in said housing unit, wherein, when said sheet deforms as a result of an external pressure acting thereon, a pressure corresponding to the deformation of said sheet is transmitted to said pressure sensing side of said pressure sensor via said fluid medium such that said pressure sensor generates a pressure sensing signal corresponding to the external pressure.