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:
May. 05, 2020
Filed:
Jun. 07, 2016
Robert Bosch Gmbh, Stuttgart, DE;
Benjamin Lechner, Neuhausen, DE;
Daniel Zirkel, Wiernsheim-Serres, DE;
Daniel Raichle, Vaihingen, DE;
Michael Ungermann, Darmstadt, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for detecting an open line () of a receiver coil () of a resolver () comprises—providing a pull-up resistor (R; R) and a pull-down resistor (R; R) at the terminals () on a control device () for the signal lines () of the receiver coil ();—measuring the voltage between the two signal line terminals () of the receiver coil at two sampling times provided symmetrically at the middle of the excitation period;—calculating an offset value by calculating an average value that comprises the measured values measured at the two sampling times in an excitation period; and—identifying an open line () if the offset value exceeds a threshold value.