The sensor is more powerful and energy efficient, and provides a more
accurate heart rate reading compared with similar modules, the company
has said.
G Innotek, the components-making affiliate of LG Group, has come out
with an ultra-thin sensor module for monitoring heart rate, blood
oxygen, and stress levels.
The heart rate monitoring module packs a
photodiode, LEDs, and its integrated circuit into a slim 1mm module,
and according to the company utilises embedding technology from the PCB
industry to reduce the size of the sensor module.
The module is
also 30 percent more powerful, making accurate detection of biometric
signals easier, and 20 percent more energy efficient compared with
similar modules, the company said.
For example, its new heart rate monitoring sensor improves the
accuracy of health tracking wearables to ±5bpm (beats per minute) during
exercise from ±8 in current devices. So, if the user's heart rate is
120bpm, the heart rate measured by the wearable device would give a
reading of between 115bpm to 125bpm, as opposed to one from 112bpm to
128bpm.
"At the heart of the Internet of Things are the sensors
that enable the sharing of information. We are developing these
high-tech sensors for use in automobiles, consumer electronics, and
wearable devices to lead the IoT industry," said Kim Chang-hwan, senior
vice president and head of the Components and Materials R&D Centre.
LG
Innotek is the world's largest manufacturer of camera modules,
specialising in components for the mobile, automotive, and semiconductor
industries.
The key to wearable technology is reducing the size
of a device and increasing power efficiency. No matter how good a
feature is, if a wearable device is bulky and the battery wears out
rapidly, it will never become popular. We're likely to see developments
like this one as the wearables market heats up even more.
http://www.zdnet.com/article/lg-innotek-develops-ultra-thin-heart-rate-monitoring-sensor-for-wearables/
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