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Methods providing control for electro-permanent magnetic devices and related electro-permanent magnetic devices and controllers

  • US 9,620,953 B2
  • Filed: 03/24/2014
  • Issued: 04/11/2017
  • Est. Priority Date: 03/25/2013
  • Status: Active Grant
First Claim
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1. A method of controlling an electro-permanent magnetic device powered from an AC mains power source provided through first and second power lines of a controller, wherein a first switch is provided on the first power line between the AC mains power source and the electro-permanent magnetic device and a second switch is provided on the second power line between the AC main power source and the electro-permanent magnetic device, the method comprising:

  • transmitting a sequence of switching pulses through the first and second switches to change a magnetic state of the electro-permanent magnetic device.

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