BIOLOGICAL INFORMATION DETECTING DEVICE, BIOLOGICAL INFORMATION DETECTING METHOD, AND BIOLOGICAL INFORMATION DETECTION PROGRAM
First Claim
1. A biological information detecting device comprising:
- a detecting section which outputs an observation signal detected based on a pulse wave of at least one observation site of a user;
an acceleration measuring section which outputs a plurality of acceleration signals which are corresponding to a plurality of different axial directions and are measured along with a movement of the user;
a parameter estimating section which estimates, based on a comparison between the observation signal and a composite acceleration signal obtained by combining the plurality of acceleration signals based on a plurality of parameters, a specific value of each of the parameters corresponding to acceleration components obtained in response to the movement of the user; and
a pulse rate calculating section which calculates a pulse rate of the user as a biological information from a difference value obtained by subtracting a specific composite acceleration signal corresponding to the specific value of each of the parameters from the observation signal.
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Abstract
A biological information detecting device of the present invention, which detects the pulse of a user, includes a detecting section which outputs an observation signal detected based on a pulse wave of at least one observation site of the user and an acceleration measuring section which outputs a plurality of acceleration signals in each of a plurality of axial directions measured along with the user'"'"'s movement. Based on a comparison between the observation signal and a composite acceleration signal obtained by combining the acceleration signals based on a plurality of parameters, the device estimates a specific value of each of the parameters corresponding to acceleration components of the observation signal based on the user'"'"'s movement, and calculates the pulse rate of the user from a difference value obtained by subtracting a specific composite acceleration signal corresponding to the specific value of each of the estimated parameters from the observation signal.
18 Citations
19 Claims
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1. A biological information detecting device comprising:
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a detecting section which outputs an observation signal detected based on a pulse wave of at least one observation site of a user; an acceleration measuring section which outputs a plurality of acceleration signals which are corresponding to a plurality of different axial directions and are measured along with a movement of the user; a parameter estimating section which estimates, based on a comparison between the observation signal and a composite acceleration signal obtained by combining the plurality of acceleration signals based on a plurality of parameters, a specific value of each of the parameters corresponding to acceleration components obtained in response to the movement of the user; and a pulse rate calculating section which calculates a pulse rate of the user as a biological information from a difference value obtained by subtracting a specific composite acceleration signal corresponding to the specific value of each of the parameters from the observation signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A biological information detecting method comprising:
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a step of obtaining an observation signal based on a pulse wave of at least one observation site of a user, and obtaining a plurality of acceleration signals which are corresponding to a plurality of different axial directions along with a movement of the user; a step of estimating, based on a comparison between the observation signal and a composite acceleration signal obtained by combining the plurality of acceleration signals based on a plurality of parameters, a specific value of each of the parameters corresponding to acceleration components obtained in response to the movement of the user included in the observation signal; and a step of calculating a pulse rate of the user as a biological information from a difference value obtained by subtracting a specific composite acceleration signal corresponding to the specific value of each of the parameters from the observation signal. - View Dependent Claims (12, 13, 14, 15)
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16. A non-transitory computer-readable storage medium having stored thereon a biological information detection program that is executable by a computer, the program being executable by the computer to perform functions comprising:
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processing for obtaining an observation signal based on a pulse wave of at least one observation site of a user, and obtaining a plurality of acceleration signals which are corresponding to a plurality of different axial directions set in advance along with a movement of the user; processing for estimating, based on a comparison between the observation signal and a composite acceleration signal obtained by combining the plurality of acceleration signals based on a plurality of parameters, a specific value of each of the parameters corresponding to acceleration components obtained in response to the movement of the user included in the observation signal; and processing for calculating a pulse rate of the user as a biological information from a difference value obtained by subtracting a specific composite acceleration signal corresponding to the specific value of each of the parameters from the observation signal. - View Dependent Claims (17, 18, 19)
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Specification