In other embodiments, weighting of the output signals is obtained by using different surface areas for the sensors or by appropriately positioning two shear mode sensors in {HEAD ~ relation} to {TAIL ~ the region} of influence of the actuator 
to
In other embodiments , weighting of the output signals is obtained by using different surface areas for the sensors or by appropriately positioning two shear mode sensors in { HEAD ~ relation } to { TAIL ~ the region } of influence of the actuator
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH