Apple Inc. (Cupertino, CA)
What is a Patent for Haptic engine module with array-riddled-of-dual (AROD) magnets
Search Patent for Haptic engine module with array-riddled-of-dual (AROD) magnets
A wide range of electronic gadgets, like tablets, smartphones, laptop computers, trackpads and touch bars make use of electromagnetic actuator technology. A module with an electromagnetic motor that generates a Lorentz force from magnetic flux projected perpendicularly to a coil creates the haptic engine. The most common method of designing engines that have high aspect ratios, for instance those that are large or thin, is to extend the coil with the magnet in the longdirection all the way to ends. This is a straightforward method that decreases the magnetic flux to Lorentz force. It does so because of the effects of different magnetic circuits upon the distribution of magnetic field.
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