Pulse measurement device, method and medium
First Claim
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1. A pulse measurement device, comprising:
- a sensing unit to sense a photoplethysmography (PPG) signal and an acceleration signal obtained from a user;
a pressure control unit to control pressure applied to the sensing unit; and
a signal determination unit to determine an optimum pressure range by analyzing the PPG signal varying with a change of the pressure applied to the sensing unit by the pressure control unit and to determine an exercise level of an activity of the user by using the acceleration signal.
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Abstract
A pulse measurement device for more precisely measuring a pulse, including a sensing unit to sense a photoplethysmography (PPG) signal and an acceleration signal obtained from a user, a pressure control unit to control pressure applied to the sensing unit, and a signal determination unit to determine an optimum pressure range by analyzing the PPG signal varying with a change of the pressure applied to the sensing unit by the pressure control unit and to determine an exercise level of the user by using the acceleration signal.
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Citations
13 Claims
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1. A pulse measurement device, comprising:
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a sensing unit to sense a photoplethysmography (PPG) signal and an acceleration signal obtained from a user; a pressure control unit to control pressure applied to the sensing unit; and a signal determination unit to determine an optimum pressure range by analyzing the PPG signal varying with a change of the pressure applied to the sensing unit by the pressure control unit and to determine an exercise level of an activity of the user by using the acceleration signal. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A pulse measurement method, comprising:
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establishing an optimum pressure range of a PPG sensor by changing pressure applied to the PPG sensor and analyzing a PPG signal detected by the PPG sensor; measuring an exercise level of a user by analyzing an acceleration signal detected by an acceleration sensor; controlling the pressure applied to the PPG sensor based on the optimum pressure range according to the exercise level of the user; and measuring a pulse by analyzing the PPG signal detected by the PPG sensor to which the controlled pressure is given. - View Dependent Claims (9, 10, 11, 12)
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13. A medium comprising computer readable code to control at least one processing element to implement a pulse measurement method, the method comprising:
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establishing an optimum pressure range of a PPG sensor by changing pressure applied to the PPG sensor and analyzing a PPG signal detected by the PPG sensor; measuring an exercise level of a user by analyzing an acceleration signal detected by an acceleration sensor; controlling the pressure applied to the PPG sensor based on the optimum pressure range according to the exercise level of the user; and measuring a pulse by analyzing the PPG signal detected by the PPG sensor to which the controlled pressure is given.
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Specification