US 12,340,023 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, Redmond, WA (US)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Jan. 8, 2024, as Appl. No. 18/406,644.
Application 18/406,644 is a continuation of application No. 17/705,962, filed on Mar. 28, 2022, granted, now 11,899,841.
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 2024/0168557 A1, May 23, 2024
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 bistable substrate that is movable between a first stable position and a second stable position;
a first active material coupled to a first side of the bistable substrate; and
a second active material coupled to a second side of the bistable substrate.