Methods providing control for electro-permanent magnetic devices and related electro-permanent magnetic devices and controllers
First Claim
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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Accused Products
Abstract
Methods may be provided to control 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. In particular, a sequence of switching pulses may be transmitted through the first and second switches to change a magnetic state of the electro-permanent magnetic device. Related controllers are also discussed.
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Citations
35 Claims
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A controller for an electro-permanent magnetic device powered from an AC mains power source, the controller comprising:
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first and second power lines; a first switch on the first power line between the AC mains power source and the electro-permanent magnetic device; a second switch on the second power line between the AC mains power source and the electro-permanent magnetic device; and a processor coupled to the first and second switches, wherein the processor is configured to control the first and second switches so that a sequence of switching pulses is transmitted through the first and second switches to change a magnetic state of the electro-permanent magnetic device. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification