US Patent 10119818 Surveying pole

Some embodiments of the invention relate to a surveying pole comprising at least two pole sections being telescopically insertable into each other so that a height adjustment of the pole is provided, a pointing tip at the lower end of the pole for setting the pole on a terrain point, a receptacle at an upper end of the pole for mounting a position giving means, a height measuring system for indicating the distance of the position giving means relative to the terrain point.