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公开(公告)号：US10368167B2
公开(公告)日：2019-07-30
申请号：US15362070
申请日：2016-11-28
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Chen Kok Yeoh , Joo Yih See , Chin Seng Tan
Abstract: An apparatus and method for controlling an audio power circuit. The audio power circuit includes an audio amplifier having a power input and a speaker connected to the audio amplifier. The audio power circuit also includes a control circuit configured to be connected to a battery and the power input and to control a supply of power to the power input. The audio power circuit further includes a thermal protection circuit connected between the audio amplifier and the speaker, the thermal protection circuit configured to generate a thermal protection signal and provide the same to the control circuit, wherein the control circuit is further configured to control the supply of power based on the thermal protection signal.
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公开(公告)号：US20180152785A1
公开(公告)日：2018-05-31
申请号：US15362070
申请日：2016-11-28
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Chen Kok Yeoh , Joo Yih See , Chin Seng Tan
CPC classification number: H04R3/007 , H02J7/0029 , H02J2007/0039 , H03F1/0216 , H03F1/52 , H03F3/183 , H03F2200/447 , H03F2200/78 , H04R29/001 , H04R2499/11
Abstract: An apparatus and method for controlling an audio power circuit. The audio power circuit includes an audio amplifier having a power input and a speaker connected to the audio amplifier. The audio power circuit also includes a control circuit configured to be connected to a battery and the power input and to control a supply of power to the power input. The audio power circuit further includes a thermal protection circuit connected between the audio amplifier and the speaker, the thermal protection circuit configured to generate a thermal protection signal and provide the same to the control circuit, wherein the control circuit is further configured to control the supply of power based on the thermal protection signal.
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