Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 22, 2017
Patent Application Number
14506024
Date Filed
October 3, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A system includes a magnetic target and a magnetic field sensor. The magnetic field sensor comprises an output node; a circuit to detect a magnetic field produced by the magnetic target; and a processor. The processor may be configured to transmit a signal onto the output node representing the detected magnetic field; detect whether the transmitted signal is interrupted by an external source; and, if the signal is interrupted, initiate a self-test of the apparatus. Corresponding methods and apparatuses are also disclosed.
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