SURVEYING APPARATUS WITH HEIGHT MEASUREMENT CAPABILITY

摘要

23SURVEYING APPARATUS WITH HEIGHT MEASUREMENT CAPABILITYA surveying apparatus is provided comprising a light source configured to emit light along an optical axis for at least a distance measurement; and a height10 measurement module configured to manipulate a path of the light emitted from the light source for measuring a height of the surveying apparatus above a surface, wherein the height measurement module includes an extending member having thereon or integrated therewith an optical member, the extending member being configured to extend or be extendable at a predetermined angle to the optical axis to15 position the optical member at the optical axis for manipulating the path of the light towards the surface, wherein the predetermined angle is non-parallel to the optical axis.20 FIG. 1A