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. 21, 2001
Filed:
Dec. 15, 1998
Hans-Ulrich Lochmann, Henstedt-Ulzburg, DE;
Stefan Pusch, Hamburg, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
A sensor arrangement comprising two sensors (,) and processing unit (,) for deriving a measurement signal (M,, M,) from two sensor signals (S,, S,) which are each supplied by one sensor (,). Such a sensor arrangement may comprise for example two angular-position sensors which measure the angular position of a measurement object with respect to the sensor arrangement. According to the invention, in order to enable detection of errors occurring in such a sensor arrangement, particularly at the input of the processing unit (,) during the conversion of the sensor signals in the A/D converter units (,), switching means (,) have been provided for switching to two switching states in such manner that in each switching state a sensor signal (S,, S,) is applied to each of the A/D converter units (,) and that the allocation of the sensor signals (S,, S,) to the A/D converter units (,) is different in the two switching states, and the processing unit (,) is constructed to derive an error signal (F) from two measurement signals (M,, M,) determined during each time one switching state.