HEART ACTIVITY MEASUREMENT

• US 20150297102A1
• Filed: 06/29/2015
• Published: 10/22/2015
• Est. Priority Date: 03/31/2010
• Status: Active Grant

• Current Assignee: Polar Electro Oy
• Original Assignee: Polar Electro Oy
• Inventors: Miettinen, Jari
• Granted Patent: US 10,631,741 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/02405 Determining heart rate variability
• CPC Class Codes: A61B 5/02416 using photoplethysmograph signals, e.g. generated by infrared radiation A61B5/14552 takes precedence
• CPC Class Codes: A61B 5/02427 Details of sensor
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/6814 Head
• CPC Class Codes: A61B 5/6824 Arm or wrist
• CPC Class Codes: A61B 5/6828 Leg
• CPC Class Codes: A61B 5/721 using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
• CPC Class Codes: A61B 5/7214 using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence

Abstract

An apparatus includes a strap configured to enable the apparatus to be worn by a user; an optical measurement element configured to be placed on a skin of the user, and to measure data related to heart activity of the user; communication circuitry configured to transmit the data related to heart activity of the user according to a Bluetooth standard on a 2.4 GHz band; and an antenna coupled with the communication circuitry, and configured to access a radio interface to transmit the data related to heart activity of the user.

Claims

1. An apparatus comprising:

a strap configured to enable the apparatus to be worn by a user;

an optical measurement element configured to be placed on a skin of the user, and to measure data related to heart activity of the user;

communication circuitry configured to transmit the data related to heart activity of the user according to Bluetooth standard; and

an antenna coupled with the communication circuitry and configured to access a radio interface in order to transmit the data related to heart activity of the user.

2. The apparatus of claim 1, wherein the data related to heart activity of the user comprises heart rate of the user.

3. The apparatus of claim 1, wherein the data related to heart activity of the user comprises heart rate variation of the user.

4. The apparatus of claim 1, wherein the data related to heart activity of the user comprises heart beat interval of the user.

5. The apparatus of claim 1, further comprising a processor configured to obtain measurements from the optical measurement element, and to process said measurements into heart activity information.

6. The apparatus of claim 1, wherein the optical measurement element comprises at least two detectors.

7. The apparatus of claim 1, wherein the optical measurement element comprises at least one light source.

8. The apparatus of claim 7, wherein the optical radiation, by the at least one light source, has a wavelength of at least one of 660 nm and 940 nm.

9. The apparatus of claim 1, wherein the apparatus is comprised in a wrist device that is configured to be worn on a wrist of the user.

10. The apparatus of claim 1, further comprising a display configured to display the data related to heart activity of the user.

11. The apparatus of claim 1, further comprising at least one motion sensor configured to measure motion of the user.

12. The apparatus of claim 1, wherein the data related to heart activity of the user is transmitted during measurement by the optical measurement element.

13. The apparatus of claim 1, wherein the communication circuitry is configured to transmit the data related to heart activity of the user according to the Bluetooth standard on a 2.4 GHz band.