US Patent 7626541 Orientation transfer device and method

A self-contained device and method provides that a first body or unit is held in, mounted on or otherwise place in a predetermined position relative to an orientation transfer device that determines its orientation and/or position. The orientation transfer device is mounted to, held in or by or otherwise placed in a predetermined position relative to a second body or unit and the second unit is moved to a position and/or orientation that is the same as that of the first body, or difference in position and/or orientation of the second body relative to the first body is determined, thereby establishing the orientation of the second body.