Importance

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Abstract

The number of calories consumed by subject performing an exercise routine is approximated with a computer having a predetermined cycle time during which the distance travelled by the subject is determined. Indications of the subject weight, sex and age are entered into a memory of the computer to cause the computer to compute and store an indication of the number of calories the subject burns in traversing a predetermined distance during the computer cycle time. The calories consumed by the subject during the cycle time are calculated from the stored indication and the distance travelled during the cycle time. The indications of calculated consumed calories are accumulated over several consecutive cycle times. To determine distance travelled, signals from a pedometer are combined in the computer with a subject's stored stride length signal. The pedometer includes a mercury switch having an envelope containing contacts and a mercury globule for selectively wetting and bridging the contacts in response to cyclic motion of the subject. The entire structure is mounted in a watch case.

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First Claim