Invention Grant
US09479868B2 Systems and methods for detection of load impedance of a transducer device coupled to an audio device 有权
用于检测耦合到音频装置的换能器装置的负载阻抗的系统和方法

Systems and methods for detection of load impedance of a transducer device coupled to an audio device
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.
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