Method of monitoring human relaxation level, and user-operated heart rate monitor

• US 7,477,934 B2
• Filed: 06/29/2004
• Issued: 01/13/2009
• Est. Priority Date: 06/29/2004
• Status: Active Grant

• Current Assignee: Polar Electro Oy
• Original Assignee: Polar Electro Oy
• Inventors: Hyyppa, Outi, Nissila, Seppo, Kinnunen, Hannu
• Primary Examiner(s): Layno; Carl H
• Assistant Examiner(s): Gedeon; Brian T
• Application Number:
  US10/879,702
• Publication Number:
  US 20060009701A1
• Time in Patent Office: 1,659 Days
• Field of Search: 600/509, 600/526, 600/508, 600/520
• US Class Current: 600/509
• CPC Class Codes: A61B 5/02405 Determining heart rate variability
• CPC Class Codes: A61B 5/0245 by using sensing means generating electric signals, i.e. ECG signals
• CPC Class Codes: A61B 5/16 Devices for psychotechnics using teaching or educational appliances G09B1/00 - G09B7/00; Testing reaction times ; Devices for evaluating the psychological state

Abstract

A method of monitoring a human relaxation level and a user-operated heart rate monitor are provided. The user-operated heart rate monitor comprises a timing instant determining means for determining a plurality of heart beat timing instants from a user'"'"'s electrocardiogram; a relaxation calculating means for calculating an instantaneous relaxation measure value by using the plurality of heart beat timing instants; a relaxation reference calculating means for generating a relaxation measure reference value by using a plurality of instantaneous relaxation measure values, each calculated over a different observation period; and a displaying means configured to display a reference pointer indicating graphically the relaxation measure reference value and further configured to display a relaxation pointer indicating graphically the instantaneous relaxation measure value relative to the reference pointer.

Claims

1. A user-operated heart rate monitor comprising:

a timing instant determination unit to determine a plurality of heart beat timing instants from a user'"'"'s electrocardiogram;

a relaxation calculator to calculate heart beat rate variation by using heart beat timing instants over an observation period, an instantaneous relaxation measure value being proportional to the heart beat rate variation;

a relaxation reference generator to calculate a relaxation measure reference value by using a plurality of instantaneous relaxation measure values, each calculated over a different observation period;

a display configured to display a reference pointer indicating graphically the relaxation measure reference value; and

wherein the display is further configured to display a relaxation pointer indicating graphically the instantaneous relaxation measure value relative to the reference pointer.

2. The heart rate monitor of claim 1, wherein the display is configured to display a relaxation scale with tick marks;

and

wherein the display is configured to display the relaxation pointer and the reference pointer relative to the relaxation scale.

3. The heart rate monitor of claim 1, wherein the display is configured to display an elongated scale area confined by long sides and short sides, at least one of the long sides having tick marks indicating a relaxation scale,

wherein the display is configured to display the relaxation pointer relative to the tick marks such that the relaxation pointer overlaps the elongated scale area, and

wherein the display is configured to display the reference pointer relative to the tick marks such that the reference pointer overlaps the elongated scale area.

4. The heart rate monitor of claim 1, wherein the display is configured to display a relaxation scale, and

wherein the display is configured to indicate the direction of the relaxation scale with at least one graphical symbol.

5. The heart rate monitor of claim 1, further comprising a population reference unit to provide at least one population reference value characterizing a relaxation measure value of at least one human population, and

the display is configured to display a population pointer indicating graphically the at least one general relaxation measure value.

6. The heart rate monitor of claim 1, wherein the relaxation reference generator is configured to calculate the relaxation measure reference value as an average of the plurality of instantaneous relaxation measure values.

7. The heart rate monitor of claim 1, wherein the relaxation reference generator is configured to select the relaxation measure reference value from the plurality of instantaneous relaxation measure values on the basis of the magnitudes of the instantaneous relaxation measure values.

8. The heart rate monitor of claim 1, wherein the relaxation reference generator is configured to select a maximum value of the instantaneous relaxation measure values as the relaxation measure reference.

9. A user-operated heart rate monitor comprising:

a timing instant determining means for determining a plurality of heart beat timing instants from a user'"'"'s electrocardiogram;

a relaxation calculating means for calculating heart beat rate variation by using heart beat timing instants over an observation period, an instantaneous relaxation measure value being proportional to the heart beat rate variation; and

a relaxation reference generating means for calculating a relaxation measure reference value by using a plurality of instantaneous relaxation measure values, each calculated over a different observation period;

a displaying means configured to display a reference pointer indicating graphically the relaxation measure reference value; and

wherein the displaying means is further configured to display a relaxation pointer indicating graphically the instantaneous relaxation measure value relative to the reference pointer.

10. The heart rate monitor of claim 9, wherein the displaying means is configured to display a relaxation scale with tick marks, and

wherein the displaying means is configured to display the relaxation pointer and the reference pointer relative to the relaxation scale.

11. The heart rate monitor of claim 9, wherein the displaying means is configured to display an elongated scale area confined by long sides and short sides, at least one of the long sides having tick marks indicating a relaxation scale,

wherein the display means is configured to display the relaxation pointer relative to the tick marks such that the relaxation pointer overlaps the elongated scale area, and

wherein the display means is configured to display the reference pointer relative to the tick marks such that the reference pointer overlaps the elongated scale area.

12. The heart rate monitor of claim 9, wherein the displaying means is configured to display a relaxation scale, and

wherein the displaying means is configured to indicate the direction of the relaxation scale with at least one graphical symbol.

13. The heart rate monitor of claim 9, further comprising a population reference means for providing at least one population reference value characterizing a relaxation measure value of at least one human population, and

the displaying means is configured to display a population pointer indicating graphically the at least one general relaxation measure value.

14. The heart rate monitor of claim 9, wherein the relaxation reference generating means is configured to calculate the relaxation measure reference value as an average of the plurality of instantaneous relaxation measure values.

15. The heart rate monitor of claim 9, wherein the relaxation reference generating means is configured to select the relaxation measure reference value from the plurality of instantaneous relaxation measure values on the basis of the magnitudes of the instantaneous relaxation measure values.

16. The heart rate monitor of claim 9, wherein the relaxation reference generating means is configured to select a maximum value of the instantaneous relaxation measure values as the relaxation measure reference.

17. A method of monitoring a human relaxation level, comprising:

determining a plurality of heart beat timing instants from a user'"'"'s electrocardiogram;

calculating heart beat rate variation by using heart beat timing instants over an observation period, an instantaneous relaxation measure value being proportional to the heart beat rate variation;

generating a relaxation measure reference value by using a plurality of instantaneous relaxation measure values, each calculated over a different observation period;

displaying a reference pointer indicating graphically the relaxation measure reference value; and

displaying a relaxation pointer indicating graphically the instantaneous relaxation measure value relative to the reference pointer.

18. The method of claim 17, further comprising:

displaying a relaxation scale with tick marks; and

displaying the relaxation pointer and the reference pointer relative to the relaxation scale.

19. The method of claim 17, further comprising:

displaying an elongated scale area confined by long sides and short sides, at least one of the long sides having tick marks indicating a relaxation scale;

displaying the reference pointer relative to the tick marks such that the reference pointer overlaps the elongated scale area; and

displaying the relaxation pointer relative to the tick marks such that the relaxation pointer overlaps the elongated scale area.

20. The method of claim 17, further comprising:

displaying a relaxation scale; and

indicating the direction of the relaxation scale with at least one graphical symbol.

21. The method of claim 17, further comprising:

providing at least one population reference value characterizing a relaxation measure value of at least one human population; and

displaying a population pointer indicating graphically the at least one general relaxation measure value.

22. The method of claim 17, further comprising:

generating the relaxation measure reference value by calculating the relaxation measure reference value as an average of the plurality of instantaneous relaxation measure values.

23. The method of claim 17, further comprising generating the relaxation measure reference value by selecting the relaxation measure reference value from the plurality of instantaneous relaxation measure values on the basis of the magnitudes of the instantaneous relaxation measure values.

24. The method of claim 17, further comprising generating the relaxation measure reference value by selecting a maximum value of the instantaneous relaxation measure values as the relaxation measure reference value.