公开(公告)号：US12254762B2

公开(公告)日：2025-03-18

申请号：US18095305

申请日：2023-01-10

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Anil Lal ,  Hamid Sepehr ,  Aleksey S. Khenkin ,  Filippo Rossi ,  Vadim Konradi ,  Marco A. Janko ,  Chin H. Yong ,  Colin Campbell

IPC: G08B6/00

Abstract: A method for determining and mitigating over-excursion of an internal mass of an under-damped electromechanical transducer may include transforming an electrical playback signal to an estimated displacement signal, based on the estimated displacement signal, determining an estimated over-excursion of the internal mass responsive to the electrical playback signal, and limiting, based on the estimated over-excursion, an electrical driving signal derived from the electrical playback signal and for driving the electromechanical transducer in order to mitigate over-excursion of the internal mass.