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The back of all Apple Watches are equipped with a Heart Rate Monitor, which projects infrared and green light from light-emitting diodes (LEDs) onto the user's skin and photodiodes measure the varying amount of light reflected. Because blood absorbs green light and reflects red light, the amounts of each type of reflected light are compared to ...
The Apple Watch is a smartwatch developed by Apple, debuting in September 2014. [1] The watch accounts for US$20 billion of Apple's annual sales and a third of all smartwatch sales. [ 2 ] In October 2013, Cercacor Laboratories chief technology officer Marcelo Lamego emailed Apple chief executive Tim Cook with an idea for a new technology.
The pulse watch was first made commercially available in 1701 by Sir John Floyer, who was an English physician. Floyer wanted to develop a watch to measure the accurate pulse rates of his patients. Floyer created a watch that counted a user's heart beat for sixty seconds, it created an easier way to count and measure the heart rate of patients.
Users with a connected Apple Watch will have their health information from the device automatically imported into the health app including their activity rings, walking and running distances, flights climbed, mindfulness minutes, sleep analysis, handwashing metrics, environmental noise levels, heart rate, blood oxygen levels, and ECG measurements.
A heart rate monitor (HRM) is a personal monitoring device that allows one to measure/display heart rate in real time or record the heart rate for later study. It is largely used to gather heart rate data while performing various types of physical exercise. Measuring electrical heart information is referred to as electrocardiography (ECG or EKG).
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