Pedometer

Details Pedometer Pedometer

2007-09-20

2010-06-29

Dunn, Drew A (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Dimensional determination

Reexamination Certificate

active

07747411

ABSTRACT:
A pedometer sensor outputs a detecting signal in correspondence with the moving motion of a person to a CPU via a variable filter circuit that has a variable passing frequency band. In a walking state, when a voltage comparing circuit determines that the signal level of the detecting signal is equal to or higher than a predetermined level and a period of the detecting signal from the filter circuit set to a band for running is at a period within a predetermined range, the CPU determines that the moving motion is changed from walking to running, maintains a state in which a frequency switching circuit sets a passing frequency band of the filter circuit to a band for running, and calculates a number of steps based on the detecting signal passing the filter circuit.

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