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US 4,526,036 AGranted
Cadence meter
OwnerThomas R. Morrisoninventor
Life of this patent
Estimating the term…
Abstract
A cadence meter senses acceleration pulses of a pedalled vehicle resulting from individual pedal strokes and produces an indication of the timing or frequency of pedalling.
Claims15
A cadence meter for an object propelled by a pulsating force, comprising:
- means for measuring acceleration produced by said pulsating force to produce an acceleration signal;
- means for measuring the elapsed time between successive occurrences of a predetermined condition of said acceleration signal;
- and
- means based on said elapsed time for measuring a cadence of said pulsating force.
1 more element
A cadence meter for an object propelled by a pulsating force, comprising:
- means for producing a velocity signal proportional to a velocity of said object;
- means responsive to said velocity signal for producing an acceleration signal;
- means responsive to variations in said acceleration signal for determining the time between a predetermined condition of said acceleration signal;
- and
- means based on said time for measuring a cadence of said pulsating force.
2 more elements
Dependencies are inferred from the claim text.