Data processing: measuring – calibrating – or testing – Measurement system – Dimensional determination
Reexamination Certificate
2006-10-02
2008-12-09
Nghiem, Michael P (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Dimensional determination
Reexamination Certificate
active
07463997
ABSTRACT:
In a pedometer device for detecting and counting steps of a user on foot, an accelerometer sensor detects a vertical acceleration generated during the step. A processing unit, connected to the accelerometer sensor, processes an acceleration signal relating to the acceleration in order to detect the occurrence of a step, and in particular compares the acceleration signal with a first reference threshold. The processing unit automatically adapts the first reference threshold as a function of the acceleration signal. In particular, the processing unit modifies the first reference threshold as a function of an envelope of the amplitude of the acceleration signal.
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Binda Ivo
Pasolini Fabio
de Guzman Dennis M.
Jorgenson Lisa K.
Nghiem Michael P
Seed IP Law Group PLLC
STMicroelectronics S.r.l.
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