①
Main body (wrist watch): The main body is central processing part
composed of LCD display, start-stop button, measurement button,
communications terminals and a built-in communication module.
Ⓐ communication terminal: IN-OUT serial communication port
Ⓑ LCD display : LCD screen that displays various information.
Ⓒ "S" (Start / Stop) Button: power ON / OFF
Ⓓ "M" (Measurement) Button: Start measurement.
②
Sensor cable: Connect the main body and the sensing part that makes it
possible to transfer the information.
③
Gloves
④
Sensor mounts : a sensor fixation part
⑤
Wrist strap
⑥
Sensing part : optical parts which measures PPG(Photo plethysmography)
signal. It measures the amount of the reflected light compared to the acting
light at the finger
