Resting heart rate monitor system
AssigneeKoninklijke Philips N.V.
InventorsAlberto Giovanni Bonomi, Koen Theo Johan de Groot
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Abstract
It is an object of the present invention to provide a heart rate monitor system (10) which is able to determine the resting heart rate in an effective and unobtrusive manner. In an aspect of the present invention, a heart rate monitor system (10) comprising an inactivity determining unit (320) for determining periods of inactivity (IP) of a user based on motion data (MD) detected by at least one motion sensor (200) attached to the user and a resting heart rate calculating unit (330) for calculating a resting heart rate (RHR) of the user based on heart rate data (HR) detected by at least one heart rate sensor (100) attached to the user during the periods of inactivity (IP) as determined by the inactivity determining unit (320) is provided.
Claims20
The heart rate monitor system being implemented as a wearable device, comprising:
- an inactivity determining unit for determining periods of inactivity (IP) of a user based on motion data (MD) detected by at least one motion sensor attached to the user, wherein said motion data comprise one or more of activity counts, speed information, number of step information, and motion level information;
- at least one heart rate sensor for measuring heart rate data (HR) of the user over time and during non-restrictive living conditions;
- a resting heart rate calculating unit for calculating a resting heart rate (RHR) of the user based on said heart rate data (HR) which are measured by the at least one heart rate sensor during the periods of inactivity as determined by the inactivity (IP) determining unit;
- and
- a reliability establishing unit for establishing reliable heart rate data (HRR) from among the measured heart rate data (HR), wherein the reliability establishing unit ignores heart rate data (HR) which is lower than a lower threshold and heart rate data (HR) which is above an upper threshold;
- and
- wherein the resting heart rate calculating unit calculates the resting heart rate (RHR) of the user based on the reliable heart rate data (HRR) as established by the reliability establishing unit.
A method of determining a resting heart rate (RHR) of a user using a wearable heart rate monitor system, comprising the steps of:
- determining periods of inactivity (IP) of a user based on motion data (MD) detected by at least one motion sensor of the wearable heart rate monitor system and attached to the user, wherein said motion data comprise one or more of activity counts, speed information, number of step information, and motion level information;
- measuring heart rate data (HR) of a user over time and during non-restrictive free-living conditions by a heart rate sensor in the heart rate monitor system;
- and
- establishing a reliable heart rate data (HRR) from among the determined or measured heart rate data (HR) by ignoring heart rate data (HR) which is lower than a lower threshold and heart rate data (HR) which is above an upper threshold;
- calculating a resting heart rate (RHR) of the user based on the heart rate data (HR) measured during determined periods of inactivity and the reliable heart rate data (RHR).
A non-transitory machine-readable storage medium encoded with instructions for execution by a processor for monitoring a heart rate of a user in a heart rate monitor system, the non-transitory machine-readable storage medium comprising:
- instructions for determining periods of inactivity (IP) of a user based on motion data (MD) detected by at least one motion sensor of the wearable heart rate monitor system and attached to the user, wherein said motion data comprise one or more of activity counts, speed information, number of step information, and motion level information;
- instructions for measuring heart rate data (HR) of a user over time and during non-restrictive free-living conditions by a heart rate sensor in the heart rate monitor system;
- instructions for establishing a reliable heart rate data (HRR) from among the determined or measured heart rate data (HR) by ignoring heart rate data (HR) which is lower than a lower threshold and heart rate data (HR which is above an upper threshold;
- and
- instructions for calculating a resting heart rate (RHR) of the user based on the heart rate data (HR) measured during determined periods of inactivity and the reliable heart rate data (RHR).
Dependencies are inferred from the claim text.