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  New method for waking up small electronics
 
  Stanford researchers have developed a new method for waking up small electronic devices.

Angad Rekhi, a graduate student in the Arbabian lab at Stanford, and Amin Arbabian, assistant professor of electrical engineering, have developed a wake-up receiver that turns on a device in response to incoming ultrasonic signals – signals outside the range that humans can hear. By working at a significantly smaller wavelength and switching from radio waves to ultrasound, this receiver is much smaller than similar wake-up receivers that respond to radio signals, while operating at extremely low power and with extended range.

For more, check out this Stanford story.

 
      Posted by: Agitator!!, February 15, 2018, 11:35 am  

 
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