US 11,899,841 B2
Haptic actuators and related wearable devices
Dongsuk Shin, Seattle, WA (US); Benjamin Gorissen, Houthalen (BE); Daniele Piazza, Redmond, WA (US); David Rother Dobbs, Bothell, WA (US); and Erik Samuel Roby, Seattle, WA (US)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US)
Filed on Mar. 28, 2022, as Appl. No. 17/705,962.
Claims priority of provisional application 63/246,546, filed on Sep. 21, 2021.
Claims priority of provisional application 63/186,741, filed on May 10, 2021.
Prior Publication US 2022/0357798 A1, Nov. 10, 2022
Int. Cl. H04B 3/36 (2006.01); G06F 3/01 (2006.01)
CPC G06F 3/016 (2013.01) [G06F 3/014 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A haptic actuator, comprising:
a first active material coupled to a first side of an inactive substrate; and
a second active material coupled to a second side of the inactive substrate,
wherein the inactive substrate is formed to initially exhibit a nonplanar shape when the first active material and the second active material are not actuated.