Earthquake actuated micro switch
Electric inertia-actuated circuit breaker
Electric switch for enhancing electric current flow by quantum t
Electric tilt switch with a liquid contact closer
Electrical switch
Electrical switch mechanism
Electrical switch mechanism
Electrical tilt switch
Electrical tilt switch
Electrical tilt switch employing multiple conductive spheres
Electromagnetic damped inertia sensor
Electronic device and position sensor thereof
Extended dwell shock sensing device
Extended minimum dwell shock sensor