公开(公告)号：US11949382B2

公开(公告)日：2024-04-02

申请号：US17894799

申请日：2022-08-24

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Philip Clarkin ,  Ivan Perry ,  Mark H. Tovell ,  Roberto Napoli ,  David Rhodes

IPC: H03F1/02 ,  H03F3/217 ,  H03M1/12 ,  H04R3/00

CPC classification number: H03F1/0227 ,  H03F3/217 ,  H03M1/12 ,  H04R3/007 ,  H03F2200/03

Abstract: The present disclosure relates to circuitry comprising: amplifier circuitry configured to receive a variable supply voltage, wherein the supply voltage varies according to an output signal of the amplifier circuitry; monitoring circuitry configured to monitor one or more parameters of an output signal of the amplifier circuitry; and processing circuitry configured to receive an indication of the voltage of the variable supply voltage and an indication of the monitored parameters from the monitoring circuitry and to apply a correction to one or more of the monitored parameters to compensate for coupling between the variable supply voltage and the monitoring circuitry.

公开(公告)号：US11812218B1

公开(公告)日：2023-11-07

申请号：US16592164

申请日：2019-10-03

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Philip Clarkin ,  Itisha Tyagi ,  Kaichow Lau

IPC: H04R1/28 ,  H04R9/06 ,  G06F3/01 ,  G06F3/16

CPC classification number: H04R1/2803 ,  G06F3/016 ,  G06F3/167 ,  H04R9/06 ,  H04R2400/03 ,  H04R2499/11

Abstract: A system may include a vibrating surface, a single mechanical transducer mechanically coupled to the vibrating surface, a signal processing subsystem configured to receive an audio signal and a haptic signal, process the audio signal and the haptic signal to generate a combined audio-haptic signal, and drive the combined audio-haptic signal to the single mechanical transducer in order to generate concurrent audio playback and haptic effects on the vibrating surface; and a control subsystem configured to, responsive to a haptic stimulus, modify at least one parameter of at least one of the audio signal and the haptic signal to accommodate the concurrent audio playback and haptic effects on the vibrating surface within at least one operational limit of the system.

公开(公告)号：US11476805B2

公开(公告)日：2022-10-18

申请号：US16850248

申请日：2020-04-16

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Philip Clarkin ,  Ivan Perry ,  Mark H. Tovell ,  Roberto Napoli ,  David Rhodes

IPC: H03F1/02 ,  H04R3/00 ,  H03M1/12 ,  H03F3/217

Abstract: The present disclosure relates to circuitry comprising: amplifier circuitry configured to receive a variable supply voltage, wherein the supply voltage varies according to an output signal of the amplifier circuitry; monitoring circuitry configured to monitor one or more parameters of an output signal of the amplifier circuitry; and processing circuitry configured to receive an indication of the voltage of the variable supply voltage and an indication of the monitored parameters from the monitoring circuitry and to apply a correction to one or more of the monitored parameters to compensate for coupling between the variable supply voltage and the monitoring circuitry.