Those muscle spasms? They're now good for something. Okay, so Microsoft's just-granted patent for a wearable EMG device
doesn't really thrive off of involuntary twitching and such, but it
does use your movements to control your smartphone, notebook and other
gadgets. The "Wearable Electromyography-Based Controller," which we first glimpsed
back in 2010, uses sensors to interpret the electrical signals
generated by a user's muscles, and then communicates with the wearer's
computer via a wireless (or wired) connection. Redmond envisions the
wearable device in various incarnations: as an armband equipped with
sensors, a shirt, eyeglasses and even nodes attached directly to the
user's body. In the armband example, motion control could be used to
interact with a PMP while the user is jogging. No matter the setup, a
calibration process allows the system to locate specific sensors and
collect information based on specific gestures or movements, which means
playing Guitar Hero with only an air guitar may someday be a reality after all.
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