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:
Sep. 16, 2014
Filed:
Aug. 24, 2009
Martin Reiche, Weil der Stadt, DE;
Michael Frank, Bretten, DE;
Dirk Schmid, Simmozheim, DE;
Peter Preissler, Dorndorf, DE;
Karl-heinz Richter, Weil der Stadt, DE;
Martin Reiche, Weil der Stadt, DE;
Michael Frank, Bretten, DE;
Dirk Schmid, Simmozheim, DE;
Peter Preissler, Dorndorf, DE;
Karl-Heinz Richter, Weil der Stadt, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A sensor device described having a sensor, in particular an ultrasound sensor, having a generating and detecting arrangement to generate and detect waves, in particular sound waves, the detection arrangement converting received waves into electric signals, and the electric signals being evaluable by an evaluation unit. A function-monitoring device is configured to determine an impedance characteristic curve of the sensor as a function of an excitation frequency is provided. Also described is a method for operating the sensor device.