| 摘要 |
<p>A seismic activity detecting system, which comprises a housing case comprising, a shell, to which at least one housing is fixed, which is subject to a known electrical potential. The system comprises at least one mass, which is suspended along a vertical axis, inside the case, by means of a cable. Said mass comprises a body, to which a detecting element is fixed, each detecting element being arranged inside a housing and being kept at a given distance from the inner walls of said housing during the state of rest. The system comprises at least one measuring circuit, adapted to detect the contact between said detecting element and said housing, in the event of an oscillation of the mass. Said cable is connected to said at least one measuring circuit, so as to conduct an electrical signal corresponding to a contact between a detecting element and the corresponding housing.</p> |
