CPC H02K 33/18 (2013.01) [B06B 1/045 (2013.01); H05K 5/0217 (2013.01)] | 22 Claims |
1. A haptic actuator comprising:
a base;
a field member coupled to the base and comprising a plurality of spaced apart permanent magnets including a first permanent magnet and a second permanent magnet;
a coil having a loop shape defining a slotted opening therein; and
a spring member suspending the coil so that the field member is within the slotted opening and permitting relative movement of the field member and the coil; the first permanent magnet at least partially disposed within the slotted opening, and the second permanent magnet disposed at least partially between the first permanent magnet and the coil.
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