According to {HEAD ~ an alternate aspect} of the present invention, a sensor is provided that can detect {TAIL ~ changes} in gravitational and inertial acceleration 
According to { HEAD ~ an alternate aspect } of the present invention , a sensor is provided that can detect { TAIL ~ changes } in gravitational and inertial acceleration
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH