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Rumor: Samsung wants to use smartphone camera and LED flash as heart rate sensor
Samsung might want to use the camera on the back of smartphones in combination with the LED flash to measure heart rate. Writing Samsung fansite SamMobile. That would have to work in combination with the upcoming Smart Glow-function of LEDs around the camera.
Samsung develops the function called Health Ring, writes the Dutch site SamMobile. Measuring the pulse with the camera at the back would make unnecessary a separate heart rate sensor. Such a sensor is now on high-end devices from the manufacturer.
The heart rate measurement using the camera and the LED flash presumably works by calculating the brightness of the image as the user puts his finger on the lens. The picture is not black but red and was the heartbeat change a bit. On this basis, the software can measure heart rate. It is unknown what role the Smart Glow ring of LEDs around the camera would help, but probably give lightly to notice more of a difference in brightness with the heartbeat. There are apps for years which can also measure heart rate through the camera.
The Smart Glow feature appears first on the Galaxy J2 which will soon be released in India, as revealed recently. Other features include displaying a blue light when it rains and yellow light in good weather, helping to position the face when taking a self portrait with the camera on the back and displaying notifications.
Smart Glow according SamMobileViewing:-107
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