An apparatus and method are disclosed for use in a device, such as a handheld printer or scanner, having {HEAD ~ functionality} that requires {TAIL ~ information} of its position relative to an origin and initial orientation 
requires
An apparatus and method are disclosed for use in a device , such as a handheld printer or scanner , having { HEAD ~ functionality } that requires { TAIL ~ information } of its position relative to an origin and initial orientation
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 OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH