ACTIVITY STATE INFORMATION DETECTING DEVICE AND METHOD FOR CONTROLLING ACTIVITY STATE INFORMATION DETECTING DEVICE

• US 20160098081A1
• Filed: 09/30/2015
• Published: 04/07/2016
• Est. Priority Date: 10/01/2014
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: TAKAHASHI, Yusuke, NAKAMURA, Hidenori
• Granted Patent: US 9,877,683 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2560/0209 adapted for power saving
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/02416 using photoplethysmograph signals, e.g. generated by infrared radiation A61B5/14552 takes precedence
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/1118 Determining activity level
• CPC Class Codes: A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
• CPC Class Codes: A61B 5/4809 Sleep detection, i.e. determining whether a subject is asleep or not
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: G04G 21/025 for measuring physiological data
• CPC Class Codes: G06F 1/163 Wearable computers, e.g. on a belt
• CPC Class Codes: G06F 1/1694 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
• CPC Class Codes: G06F 1/1698 the I/O peripheral being a sending/receiving arrangement to establish a cordless communication link, e.g. radio or infrared link, integrated cellular phone details of antennas disposed inside a computer H01Q1/2266
• CPC Class Codes: G06F 1/3215 Monitoring of peripheral devices
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00

Abstract

An activity state information detecting device includes: a pulse wave measuring section that measures pulse wave information of a user; a body motion measuring section that measures body motion information of the user; and a processing section that performs a calculation process of activity state information of the user, in which the processing section performs a mode switching process between a first mode for performing the calculation process of the activity state information based on the body motion information and a second mode for performing the calculation process of the activity state information based on the pulse wave information.

Claims

1. An activity state information detecting device comprising:

a pulse wave measuring section that measures pulse wave information of a user;

a body motion measuring section that measures body motion information of the user; and

a processing section that performs a calculation process of activity state information of the user,

wherein the processing section performs a mode switching process between a first mode for performing the calculation process of the activity state information based on the body motion information and a second mode for performing the calculation process of the activity state information based on the pulse wave information.

2. The activity state information detecting device according to claim 1,

wherein the processing section performs the mode switching process based on an amount of remaining battery.

3. The activity state information detecting device according to claim 2,

wherein the processing section sets the second mode when the amount of remaining battery is equal to or greater than a predetermined threshold value, and sets the first mode or the second mode when the amount of remaining battery is smaller than the predetermined threshold value.

4. The activity state information detecting device according to claim 3,

wherein when the amount of remaining battery is smaller than the predetermined threshold value, and when it is determined that the user is in an exercise state or a sleep state based on the body motion information, the processing section sets the second mode.

5. The activity state information detecting device according to claim 3,

wherein when the amount of remaining battery is smaller than the predetermined threshold value, and when it is determined that the user is in a resting state based on the body motion information, the processing section sets the first mode.

6. The activity state information detecting device according to claim 1,

wherein when it is determined that the user is in an exercise state or a sleep state based on the body motion information, the processing section sets the second mode.

7. The activity state information detecting device according to claim 1,

wherein when it is determined that the user is in a resting state based on the body motion information, the processing section sets the first mode.

8. The activity state information detecting device according to claim 1,

wherein the processing section performs the mode switching process based on at least one of schedule information and timing information.

9. The activity state information detecting device according to claim 8,

wherein when it is determined that the user is in an exercise state or a sleep state based on at least one of the schedule information and the timing information, the processing section sets the second mode.

10. The activity state information detecting device according to claim 1, further comprising:

a position information acquiring section that acquires position information of the user,

wherein the processing section performs the mode switching process based on the position information.

11. The activity state information detecting device according to claim 10,

wherein when it is determined that the user is in an exercise state based on the position information, the processing section sets the second mode.

12. The activity state information detecting device according to claim 1,

wherein the processing section calculates calorie consumption information as the activity state information based on the body motion information in the first mode, and calculates the calorie consumption information as the activity state information based on the pulse wave information in the second mode.

13. The activity state information detecting device according to claim 12,

wherein the processing section calculates speed information of the user based on the body motion information in the first mode, and calculates the calorie consumption information from the speed information.

14. The activity state information detecting device according to claim 13,

wherein the processing section calculates step number information of the user based on acceleration information which is the body motion information in the first mode, calculates the speed information of the user based on the step number information, and calculates the calorie consumption information as the activity state information from the speed information.

15. A method for controlling an activity state information detecting device, the method comprising:

measuring pulse wave information of a user;

measuring body motion information of the user;

performing a mode switching process between a first mode for performing a calculation process of activity state information based on the body motion information and a second mode for performing the calculation process of the activity state information based on the pulse wave information; and

performing the calculation process of the activity state information in a mode set in the mode switching process.