Patent ID: 9582046
Date: 2017-02-28
CPC Classifications: E05D,E05Y,G06F,H04M,Y10T

Claim:
1. An apparatus, comprising: a hinge assembly mountable to a first section of a housing of an electronic device; a rotation control assembly to control rotation of the hinge assembly; and a controller to activate the rotation control assembly in response to detection of a force condition at a second section of the housing of an electronic device, wherein: the rotation control assembly comprises a piezoelectric disk mounted on a shaft of the hinge assembly proximate a brake mounted on the shaft; and the controller is to apply a voltage to the piezoelectric disk in response to detection of a condition at a second section of the housing of an electronic device, wherein the voltage is to cause a portion of the piezoelectric disk to expand against the brake to control rotation of the hinge assembly.