Trimble Ab

Anneli Utterbäck

Ulf Berg

Johan Carlèn

Johan Johnson

One embodiment of the present invention concerns a target for use with a measuring instrument in distance measuring and surveying applications. The target includes a base element, at least one light reflecting area arranged at the base element, the at least one light reflecting area being arranged to reflect light beams being incident in an angular area of substantially 360&#xb0; degrees in plane, and an identification unit arranged at the base element and being adapted to emit signals having predetermined characteristics, wherein the predetermined characteristics may be used to identify the target.

Target for use in measuring and surveying applications

A surveying instrument performs tracking of a target by controlling an orientation of a measuring unit relative to the target in two different angular directions. The control in one angular direction is based on detected light intensities which are modulated according to a first time pattern, and control of the orientation in the other angular direction is based on detected light intensities modulated according to a second time pattern just different from the first time pattern.

Growing community of inventors

Rimbo, Sweden

Anneli Utterbäck