The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 14, 1989
Filed:
Jun. 06, 1988
Erich Niedermayr, Haar, DE;
Robert Griessbach, Siegertsbrunn, DE;
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Abstract
A non-contacting measuring system, particularly for industrial robots, for acquiring the position of two coordinate systems, comprising sensors, in particular a stationary coordinate system lying in a measuring plane and of a moving coordinate system, particularly for the acquisition of absolute position and repetitive accuracy of industrial robots, comprises a bipartite measuring system including a precision turn table with a precision sensor comprising a distance sensor and an optical sensor and a planar measuring subject lying in the measuring plane. The distance from the measuring plane and the tilt about the x axis and the y axis are calculated from the distance sensor signals. The rotation about the z axis and the displacement in the x direction and the y direction are calculated by sensing a line pattern.