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:
Aug. 05, 2014
Filed:
Nov. 23, 2012
Sick Stegmann Gmbh, Donaueschingen, DE;
Reinhold Mutschler, Villingen-Schwenningen, DE;
Sick Stegmann GmbH, Donaueschingen, DE;
Abstract
The disclosure relates to a process for measuring the rotation angle of two objects rotating in relation to each other, with a transmitter assigned to one of the objects, and with an element which influences the direction of polarization, where the transmitter and the element rotate relative to each other, and where the luminous intensity passing through, or reflected by, the element is measured by a receiver and then evaluated as a signal dependent on the rotation angle, and where the receiver groups of receiver elements sensitive to polarization, and where the polarization planes of the receiver elements in each group are rotated in relation to each other, and where the reception signals of at least two of the receiver elements are evaluated independent of each other in a monitoring mode. The disclosure also relates to an apparatus for implementing the process.