Multi-functional bracelet type human body intelligent monitor system
A wristband-type, multi-functional technology, applied in sensors, medical science, diagnostic recording/measurement, etc., can solve the problem of insufficient fall alarm function and other problems
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[0027] g in the following specific examples is the acceleration due to gravity.
[0028] Such as figure 1 with figure 2 As shown, the heart rate sensor uses the infrared light reflection principle to collect human ECG signals, converts the human ECG signals into electrical signals, and sends them to the system processor. The heart rate sensor of the present invention is close to the wrist, but is not limited thereto, and can also be arranged on the arm, palm and chest.
[0029] Human body posture sensors include accelerometers, gyroscopes and three-axis electronic compass. Accelerometers detect the acceleration experienced by the human body. MEMS gyroscopes detect the tilt angle between the human spine and the direction of gravitational acceleration. The three-axis electronic compass can detect the roll angle, pitch angle and heading angle of the human body in a dynamic and static environment, so as to know whether the user is in a sleeping state or tossing and turning in...
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