DETECTION APPARATUS, DETECTION METHOD, AND PROGRAM

• US 20170290552A1
• Filed: 03/07/2017
• Published: 10/12/2017
• Est. Priority Date: 04/12/2016
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Mobile Communications Incorporated (Sony Group Corp.)
• Inventors: NARUSE, Tetsuya
• Granted Patent: US 10,849,570 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 2560/0468 Built-in electrodes
• CPC Class Codes: A61B 2562/0209 Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
• 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 5/02427 Details of sensor
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/0255 Recording instruments specially adapted therefor
• CPC Class Codes: A61B 5/282 Holders for multiple electrodes for introduction into the body A61B5/287
• CPC Class Codes: A61B 5/332 Portable devices specially adapted therefor
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/7207 of noise induced by motion artifacts
• CPC Class Codes: A61B 5/7257 using Fourier transforms
• CPC Class Codes: A61B 5/7278 Artificial waveform generation or derivation, e.g. synthesising signals from measured signals A61B5/327 takes precedence
• CPC Class Codes: A61B 5/7285 for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal A61B6/5205, A61B6/541, A61B8/5207, A61B8/543 take precedence
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence

Abstract

There is provided a detection apparatus including: a heartbeat sensor that includes a plurality of electrodes and is configured to detect a first detection signal indicating heartbeat of a detection target via the plurality of electrodes; a pulse wave sensor configured to detect a second detection signal indicating a pulse wave of the detection target; and a processing unit configured to detect a pulse of the detection target on the basis of the first detection signal and the second detection signal.

Claims

1. A detection apparatus comprising:

a heartbeat sensor that includes a plurality of electrodes and is configured to detect a first detection signal indicating heartbeat of a detection target via the plurality of electrodes;

a pulse wave sensor configured to detect a second detection signal indicating a pulse wave of the detection target; and

a processing unit configured to detect a pulse of the detection target on the basis of the first detection signal and the second detection signal.

2. The detection apparatus according to claim 1, wherein detection of the first detection signal in the heartbeat sensor is performed in conjunction with detection of the second detection signal in the pulse wave sensor.

3. The detection apparatus according to claim 2, wherein the plurality of electrodes of the heartbeat sensor function as switches for detection start in the pulse wave sensor.

4. The detection apparatus according to claim 1, wherein the processing unit

calculates a heart rate on the basis of the first detection signal,

performs frequency analysis on the second detection signal, and

detects a pulse of the detection target from a result of the frequency analysis, on the basis of a frequency of heartbeat calculated from the calculated heart rate.

5. The detection apparatus according to claim 4, wherein the processing unit further detects a pulse of the detection target from a result of the frequency analysis, on the basis of a frequency corresponding to the pulse detected on the basis of the frequency of the heartbeat.

6. The detection apparatus according to claim 1, wherein the processing unit calculates a pulse rate of the detection target on the basis of the detected pulse of the detection target.

7. The detection apparatus according to claim 6, wherein the processing unit causes the calculated pulse rate of the detection target to be displayed on a display screen.

8. The detection apparatus according to claim 6, wherein the processing unit causes the calculated pulse rate of the detection target to be recorded on a recording medium.

9. A detection method executed by a detection apparatus, comprising:

detecting a pulse of a detection target, on the basis of a first detection signal that is acquired from a heartbeat sensor including a plurality of electrodes and indicates heartbeat of the detection target, and a second detection signal that is acquired from a pulse wave sensor and indicates a pulse wave of the detection target.

10. A program causing a computer to implement a function of:

detecting a pulse of a detection target, on the basis of a first detection signal that is acquired from a heartbeat sensor including a plurality of electrodes and indicates heartbeat of the detection target, and a second detection signal that is acquired from a pulse wave sensor and indicates a pulse wave of the detection target.