Device for error recognition in a digital signal evaluation...

Data processing: measuring – calibrating – or testing – Measurement system – Measured signal processing

Reexamination Certificate

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Details

C702S185000, C073S035040, C701S111000

Reexamination Certificate

active

06975969

ABSTRACT:
A device for signal evaluation is described, in particular for knock recognition in an internal combustion engine, in which the signals forwarded by sensors are evaluated digitally and error recognition is carried out that performs two different test functions, whereby a first test function supplies a test pulse at a specifiable location, and the second test function clears the sensor signals, and the reaction of both the analog and digital parts of the circuit are monitored.

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