Big Future for Sensors in Wearable Devices

The number of sensors in wearable devices will double this year, according to market-research firm IHS, with Apple's Apple Watch setting a de facto standard for sensor specifications in smart watches. The firm cites motion sensors - including accelerometers, magnetometers, gyroscopes, inertial measurement units, and pressure sensors - as the dominant sensing technology category in wearables today. Because the number of sensors per wearable device will increase - from 1.4 in 2013 to 4.1 by 2019 - sensor growth will exceed the growth of the devices themselves.

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