FATIGUE-DEGREE MONITORING DEVICE, FATIGUE-DEGREE MONITORING SYSTEM, AND FATIGUE-DEGREE DETERMINING METHOD

• US 20170127992A1
• Filed: 11/07/2016
• Published: 05/11/2017
• Est. Priority Date: 11/11/2015
• Status: Active Application

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: Takahashi, Eizo
• Application Number:
  US15/344,938
• Publication Number:
  US 20170127992A1
• Time in Patent Office: Days
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take 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 5/161 Flicker fusion testing eye testing A61B3/00
• CPC Class Codes: A61B 5/165 Evaluating the state of mind, e.g. depression, anxiety
• CPC Class Codes: A61B 5/4815 Sleep quality
• CPC Class Codes: A61B 5/681 Wristwatch-type devices

Abstract

A fatigue-degree monitoring device includes a first-fatigue-indicator calculating section configured to calculate a first indicator concerning fatigue of a user on the basis of operation from an operation section, a second-fatigue-indicator calculating section configured to calculate a second indicator concerning the fatigue of the user on the basis of biological information of the user, and a fatigue determining section configured to determine a fatigue degree of the user on the basis of the first indicator and the second indicator.

Claims

1. A fatigue-degree monitoring device comprising:

a first-fatigue-indicator calculating section configured to calculate a first indicator concerning fatigue of a user on the basis of an operation signal from an operation section;

a second-fatigue-indicator calculating section configured to calculate a second indicator concerning the fatigue of the user on the basis of biological information of the user; and

a fatigue determining section configured to determine a fatigue degree of the user on the basis of the first indicator and the second indicator.

2. The fatigue-degree monitoring device according to claim 1, further comprising an activity-amount calculating section configured to calculate an activity amount of the user on the basis of body motion information of the user, wherein

the fatigue determining section determines the fatigue degree of the user on the basis of the activity amount.

3. The fatigue-degree monitoring device according to claim 1, further comprising a fatigue predicting section configured to predict a transition in the fatigue degree involved in elapse of time on the basis of the first indicator, the second indicator, and the fatigue degree.

4. The fatigue-degree monitoring device according to claim 3, wherein, when determining that the predicted fatigue degree exceeds a predetermined reference, the fatigue predicting section outputs an alert signal.

5. The fatigue-degree monitoring device according to claim 1, further comprising a display section configured to display the fatigue degree determined by the fatigue determining section.

6. The fatigue-degree monitoring device according to claim 1, further comprising:

a light emitting section configured to emit light; and

an operation section configured to receive operation by the user, wherein

the first-fatigue-indicator calculating section calculates the first indicator on the basis of the operation signal from the operation section detected when the light emitting section is emitting light.

7. The fatigue-degree monitoring device according to claim 6, wherein

the light emitting section emits light at different light emission frequencies, and

the first-fatigue-indicator calculating section calculates the first indicator on the basis of the light emission frequency at a time when the operation section is operated.

8. The fatigue-degree monitoring device according to claim 6, further comprising:

a pulse-rate calculating section configured to calculate a pulse rate of the user on the basis of the biological information; and

a zone determining section configured to determine a zone in which the pulse rate is included, wherein

the light emitting section emits light at the light emission frequency according to the zone determined by the zone determining section.

9. The fatigue-degree monitoring device according to claim 1, wherein the first-fatigue-indicator calculating section acquires present time and calculates the first indicator when the acquired present time reaches predetermined time.

10. The fatigue-degree monitoring device according to claim 1, wherein the fatigue determining section determines the fatigue degree of the user by correcting the first indicator on the basis of the second indicator.

11. The fatigue-degree monitoring device according to claim 1, further comprising a transmitting section configured to transmit information concerning the fatigue degree to an external apparatus.

12. A fatigue-degree monitoring system comprising:

a fatigue-degree monitoring device; and

an information processing device, wherein

the fatigue-degree monitoring device including;

a first-fatigue-indicator calculating section configured to calculate a first indicator concerning fatigue of a user on the basis of an operation signal from an operation section;

a second-fatigue-indicator calculating section configured to calculate a second indicator concerning the fatigue of the user on the basis of biological information of the user;

a fatigue determining section configured to determine a fatigue degree of the user on the basis of the first indicator and the second indicator; and

a transmitting section configured to transmit fatigue degree information concerning the fatigue degree determined by the fatigue determining section, and

the information processing device includes;

a receiving section configured to receive the fatigue degree information; and

a display section configured to display a transition of the received fatigue degree information in time series.

13. A fatigue-degree determining method comprising:

calculating a first indicator concerning fatigue of a user on the basis of an operation signal;

calculating a second indicator concerning the fatigue on the basis of biological information of the user; and

determining a fatigue degree of the user on the basis of the first indicator and the second indicator.

14. The fatigue-degree determining method according to claim 13, further comprising:

calculating an activity amount of the user on the basis of body motion information of the user; and

determining the fatigue degree of the user on the basis of the activity amount.

15. The fatigue-degree determining method according to claim 13, further comprising predicting a transition in the fatigue degree involved in elapse of time on the basis of the first indicator, the second indicator, and the fatigue degree.

16. The fatigue-degree determining method according to claim 15, further comprising outputting an alert signal when determining that the predicted fatigue degree exceeds a predetermined reference.

17. The fatigue-degree determining method according to claim 13, further comprising:

causing a light emitting section to emit light; and

calculating the first indicator on the basis of the operation signal from the user detected when causing the light emitting section to emit light.

18. The fatigue-degree determining method according to claim 17, further comprising

emitting light at different light emission frequencies;

and

calculating the first indicator on the basis of the light emission frequency at a time when the operation signal is detected.

19. The fatigue-degree determining method according to claim 17, further comprising:

calculating a pulse rate of the user on the basis of the biological information;

determining a zone in which the pulse rate is included; and

emitting light at the light emission frequency corresponding to the determined zone.

20. The fatigue-degree determining method according to claim 13, further comprising determining the fatigue degree of the user by correcting the first indicator on the basis of the second indicator.