Sidley Austin Brown & Wood, LLP
Optical encoder with an electric field&#8212;screening grit
An optical encoder including a scale, a scanning device displaceable relatively to the scale in a measuring direction and having a scanning reticle with at least one transparent window limited by an opaque screen and a partial grit formed of an electrically conductive material and provided at least in a region of the window.
Dr. Johannes Heidenhain GmbH
G
G01D
inventional
Josef Sebastian Walter Wolfgang Herbert Peter Franz
Höhentinger Tondorf Huber Holzapfel Mauerberger Pechak Obermaier