Earthquake sensor

Details Earthquake sensor Earthquake sensor

1995-03-03

1996-07-23

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340540, 340601, 340689, G08B 2100

Patent

active

055393870

ABSTRACT:
An earthquake sensor includes a base support, a first element pivotably supported onto the base support at a first pivot location, a second element pivotably supported onto the first element at a second pivot location and sensor apparatus operative to sense earthquake actuated vibration of the second element and to provide an output indication thereof.

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