Heart rate monitor system
First Claim
1. A heart rate monitor system, comprising:
- at least one primary optical heart rate sensor configured to measure a heart rate of a user and generate output signals (HR), wherein the output signals (HR) are based at least on measured heart beats and measured artefacts;
a model unit configured to predict an estimated heart rate (HRM) of the user based on a model stored in the model unit and information received from at least one secondary sensor measuring at least one physiological factor influencing the heart rate of the user, the model representative of a relationship between physical activity of the user and the heart rate of the user, anda processor configured to compare the output signals (HR) received from the at least one primary optical heart rate sensor with the estimated heart rate (HRM) received from the model unit to differentiate the measured heart beats from the measured artefacts and output a determined heart rate.
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Abstract
A heart rate monitor system having at least one primary heart rate sensor (110) for measuring or determining a heart rate of a user and for outputting an output signal (HR) is provided. The output signal (HR) is based at least on measured heart beats and/or artifacts. The heart rate monitor system also comprises a model unit (132) for estimating or predicting a heart rate (HRM) of a user based on a model stored in the model unit (132) and the information received from at least one secondary sensor (120) measuring at least one physiological factor influencing heart rate of a user. The heart rate monitor system furthermore comprises a processing unit (131) for correlating the output signal (HR) received from the primary sensor (110) with the estimated or predicted hear rate (HRM) received from the model unit (132) to differentiate the measured heart beats from the artifacts.
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Citations
7 Claims
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1. A heart rate monitor system, comprising:
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at least one primary optical heart rate sensor configured to measure a heart rate of a user and generate output signals (HR), wherein the output signals (HR) are based at least on measured heart beats and measured artefacts; a model unit configured to predict an estimated heart rate (HRM) of the user based on a model stored in the model unit and information received from at least one secondary sensor measuring at least one physiological factor influencing the heart rate of the user, the model representative of a relationship between physical activity of the user and the heart rate of the user, and a processor configured to compare the output signals (HR) received from the at least one primary optical heart rate sensor with the estimated heart rate (HRM) received from the model unit to differentiate the measured heart beats from the measured artefacts and output a determined heart rate. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of monitoring a heart rate of a user, comprising the steps of:
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measuring a heart rate of a user by a primary optical heart rate sensor and outputting output signals (HR), wherein the output signals are based at least on measured heart beats and measured artefacts; predicting an estimated heart rate (HRM) of the user based on a model stored in a model unit and information received from at least one secondary sensor measuring at least one physiological factor influencing the heart rate of the user, the model representative of a relationship between physical activity of the user and the heart rate of the user; and comparing, by a processor, the output signals (HR) received from the at least one primary optical heart rate sensor with the estimated heart rate (HRM) received from the model unit to differentiate the measured heart beats from the measured artifacts and outputting a determined heart rate.
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Specification