Length measuring device
AssigneeDr. Johannes Heidenhain GmbH
InventorsAlfred Affa, Johannes Haunreiter
Life of this patent
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Abstract
A length measuring device for measuring a relative position of two objects, the length measuring device including a scale in a housing and a scanning unit displaceable in a measuring direction X relative to the scale and the housing, wherein the scanning unit is disposed inside the housing and including a heat-generating electrical component. The length measuring device further including a thermal conduction path designed for transferring heat generated at the heat-generating electrical component to the housing.
Claims12
1-10. (canceled)
A length measuring device for measuring a relative position of two objects, the length measuring device comprising:
- a scale in a housing;
- a scanning unit displaceable in a measuring direction X relative to said scale and said housing, wherein said scanning unit is disposed inside said housing and comprising a heat-generating electrical component;
- and
- a thermal conduction path designed for transferring heat generated at said heat-generating electrical component to said housing.
Dependencies are inferred from the claim text.