healthcare.digital February 28, 2018
I believe Tim Cook and Apple when they say “we have big plans in healthcare, which go beyond wellness apps and tools … we can make a ‘significant contribution’ in healthcare”
One of the ways in which they can and are achieving their vision is physics and the application of light in their products.
Ambient light sensors, infrared light, LED lights, light‑sensitive photodiodes, spectroscopy, photoplethysmography, UV light, full spectrum light therapy, phototherapy …. Apple are applying light in new ways to create new standards, solve existing problems and make patients/consumers lives easier.
1) Apple Watch Heart Rate Monitor – photoplethysmography
The heart rate sensor in the Apple Watch uses what is known as photoplethysmography.
This technology, while difficult to pronounce,...
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