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:
Jun. 20, 2023
Filed:
Dec. 17, 2020
Sick Stegmann Gmbh, Donaueschingen, DE;
Sebastian Süß, Donaueschingen, DE;
David Hopp, Donaueschingen, DE;
SICK AG, Waldkirch, DE;
Abstract
A rotary encoder () is provided, including a shaft (W) connected to and drivable by an external shaft, a first gear unit (G) and a second gear unit (G), each following rotations of the shaft (W). Both gear units (G, G) (Gand G) are drivable independently of one another by the shaft (W), a first gear stage (GS) of the first gear unit (G) has a first detection unit (E), and a gear stage (GS) downstream of a first gear stage (GS) of the second gear unit (G) has a second detection unit (E). An evaluation unit derives the angular position from signals of the detection units (E, E) and compares the rotations of the first gear stage (GS) and the downstream gear stage (GS) for plausibility, taking into account a known ratio of the rotation of the first gear stage (GS) to the rotation of the downstream gear stage (GS).