公开(公告)号：US20150078558A1

公开(公告)日：2015-03-19

申请号：US14031287

申请日：2013-09-19

Applicant: Cirrus Logic, Inc.

Inventor： Bharath Kumar Thandri ,  Vivek Jindal

IPC: H04R29/00

CPC classification number: H04R1/1041 ,  H04R5/04 ,  H04R2420/05

Abstract: In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load detection circuit. The electrical terminal may couple a transducer device to the audio device. The audio circuit may generate an analog audio signal, wherein the analog audio signal is coupled to the electrical terminal. The transducer load detection circuit may detect a load impedance of the transducer device when the transducer device is coupled to the audio device from characteristics measured at the electrical terminal.

Abstract translation: 根据本公开的系统和方法，音频设备可以包括电气终端，音频电路和换能器负载检测电路。 电气终端可将传感器装置耦合到音频装置。 音频电路可以产生模拟音频信号，其中模拟音频信号耦合到电气终端。 换能器负载检测电路可以根据在电气端子处测量的特性将传感器装置耦合到音频装置时，检测换能器装置的负载阻抗。

公开(公告)号：US09438982B2

公开(公告)日：2016-09-06

申请号：US14031287

申请日：2013-09-19

Applicant: Cirrus Logic, Inc.

Inventor： Bharath Kumar Thandri ,  Vivek Jindal

IPC: H04R1/10 ,  H04R5/04

CPC classification number: H04R1/1041 ,  H04R5/04 ,  H04R2420/05

Abstract: In accordance with systems and methods of the present disclosure, an audio device may include an electrical terminal, an audio circuit, and a transducer load detection circuit. The electrical terminal may couple a transducer device to the audio device. The audio circuit may generate an analog audio signal, wherein the analog audio signal is coupled to the electrical terminal. The transducer load detection circuit may detect a load impedance of the transducer device when the transducer device is coupled to the audio device from characteristics measured at the electrical terminal.