MEASUREMENT CIRCUIT FOR HEART RATE VARIABILITY
First Claim
1. A measurement circuit for heart rate variability, comprising:
- a measurement circuit for photoplethysmographic (PPG) signal, measuring an ear, and producing a first measured signal;
a measurement circuit for electrocardiographic (ECG) signal, measuring the physiological status of a person under test, and producing a second measured signal;
an audio processing unit, producing a sound signal, and transmitting the sound signal to the ear; and
a control and processing unit, controlling the audio processing unit, playing the sound signal, receiving the first measured signal and producing a corresponding first waveform diagram, and receiving the second measured signal and producing a corresponding second waveform diagram.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to a measurement circuit for heart rate variability, which uses a measurement circuit for photoplethysmographic (PPG) signal to measure an ear and produces a first measured signal, a measurement circuit for electrocardiographic (ECG) signal to measure a second measured signal, an audio processing unit to produces a sound signal, a control and processing unit for controlling the audio processing unit to play the sound signal, for receiving the first measured signal to produce a corresponding first waveform diagram, and for receiving the second measured signal to produce a corresponding second waveform diagram. Thereby, nervousness and impatience of a person under test can be eliminated, and hence the real heart rate variability of the person under test can be measured.
28 Citations
23 Claims
-
1. A measurement circuit for heart rate variability, comprising:
-
a measurement circuit for photoplethysmographic (PPG) signal, measuring an ear, and producing a first measured signal; a measurement circuit for electrocardiographic (ECG) signal, measuring the physiological status of a person under test, and producing a second measured signal; an audio processing unit, producing a sound signal, and transmitting the sound signal to the ear; and a control and processing unit, controlling the audio processing unit, playing the sound signal, receiving the first measured signal and producing a corresponding first waveform diagram, and receiving the second measured signal and producing a corresponding second waveform diagram. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
Specification