InventorUS Class318/652With particular position measuring instrumentsAttorney, Agent or FirmForeign Documents- 10 2006 044 358.6 DE 09/20/2006
International Class G05B 1/01 Issued Patent Number:8040099
Abstract textIn a positioning device in gantry type of construction, due to a special arrangement of the position-measuring devices used for the positioning, errors due to thermal expansion of the positioning device may be avoided to a great extent. In particular, attention is given to the advantageous placement of fixed point of a scale relative to a straightness track of a further scale. | 
