A multi-directional shock sensor including two masses arranged to move in directions, which are mutually perpendicular to one another. A moveable locking member prevents movement of a slider, which is used in the arming arrangement of a submunition. In response to an acceleration in a plane, one or both...http://www.google.com.au/patents/US7194889?utm_source=gb-gplus-sharePatent US7194889 - MEMS multi-directional shock sensor with multiple masses
