Patent ID: 7086163
Filing Date: 2006-08-08
Classification: G01C

Abstract:
1. A method of transferring a base axis line from a first location to a second location over a non-transparent object obstructing a direct line of sight between said first location and said second location, said method comprising the steps of: a. providing a theodolite positioned at the base axis line at the first location, b. providing a remote-controlled reflector device including a mirror positioned over said object at a location aligned with the base axis line of the first location, said mirror having a direct line of sight with said first location and said second location, said mirror having a horizontal axis of rotation, c. rotating said mirror about its horizontal axis of rotation to direct the line of sight of said theodolite towards the desired area of the second location, and d. marking the new axis line at said second location based on an inflected line of sight from said theodolite through said mirror defining an inflection point and guidance from said first location so as to align said new axis line with said base axis line.