JP2022548786A5 - - Google Patents

Info

Publication number
JP2022548786A5
JP2022548786A5 JP2022518647A JP2022518647A JP2022548786A5 JP 2022548786 A5 JP2022548786 A5 JP 2022548786A5 JP 2022518647 A JP2022518647 A JP 2022518647A JP 2022518647 A JP2022518647 A JP 2022518647A JP 2022548786 A5 JP2022548786 A5 JP 2022548786A5
Authority
JP
Japan
Prior art keywords
output
input
circuit
audio system
coupled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2022518647A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022548786A (ja
Filing date
Publication date
Priority claimed from US16/939,376 external-priority patent/US11546709B2/en
Application filed filed Critical
Publication of JP2022548786A publication Critical patent/JP2022548786A/ja
Publication of JP2022548786A5 publication Critical patent/JP2022548786A5/ja
Pending legal-status Critical Current

Links

JP2022518647A 2019-09-23 2020-09-23 短絡条件下のオーディオ再生 Pending JP2022548786A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962904122P 2019-09-23 2019-09-23
US62/904,122 2019-09-23
US16/939,376 US11546709B2 (en) 2019-09-23 2020-07-27 Audio playback under short circuit conditions
US16/939,376 2020-07-27
PCT/US2020/052131 WO2021061714A1 (en) 2019-09-23 2020-09-23 Audio playback under short circuit conditions

Publications (2)

Publication Number Publication Date
JP2022548786A JP2022548786A (ja) 2022-11-21
JP2022548786A5 true JP2022548786A5 (https=) 2023-09-28

Family

ID=74881465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022518647A Pending JP2022548786A (ja) 2019-09-23 2020-09-23 短絡条件下のオーディオ再生

Country Status (5)

Country Link
US (1) US11546709B2 (https=)
EP (1) EP4035417A4 (https=)
JP (1) JP2022548786A (https=)
CN (1) CN114503604B (https=)
WO (1) WO2021061714A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260104840A1 (en) * 2024-10-11 2026-04-16 Harman Becker Automotive Systems, Inc. System for debugging audio amplifier of a vehicle

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2565818B2 (ja) * 1992-02-19 1996-12-18 ローム株式会社 Ｂｔｌ増幅装置の保護回路およびオーディオ装置
JPH0746052A (ja) * 1993-07-28 1995-02-14 Mitsubishi Electric Corp 電力増幅回路
US5805020A (en) 1996-06-27 1998-09-08 Harris Corporation Silent start class D amplifier
EP1449404B1 (en) * 2001-11-30 2006-08-30 Sonion A/S A high efficiency driver for miniature loudspeakers
JP4016833B2 (ja) * 2002-12-26 2007-12-05 ヤマハ株式会社 パルス幅変調増幅器
JP2005252763A (ja) * 2004-03-05 2005-09-15 Matsushita Electric Ind Co Ltd 電力増幅回路
JP2007088921A (ja) * 2005-09-22 2007-04-05 Matsushita Electric Ind Co Ltd スピーカ保護回路
JP2007235526A (ja) * 2006-03-01 2007-09-13 Matsushita Electric Ind Co Ltd パルス変調型電力増幅器
JP2007244083A (ja) 2006-03-08 2007-09-20 Nec Electronics Corp 電流制御回路
JP4535028B2 (ja) * 2006-06-05 2010-09-01 ヤマハ株式会社 Ｄ級増幅器およびその過電流保護方法
JP5175142B2 (ja) * 2008-07-28 2013-04-03 ラピスセミコンダクタ株式会社 ショート検出回路
US8280070B2 (en) * 2008-08-20 2012-10-02 Siemens Industry, Inc. Arrangement and method for communicating audio and DC signals
EP2290812B1 (en) * 2009-08-11 2015-06-10 Dialog Semiconductor GmbH Concept, method and apparatus of improved distortion switched-mode amplifier
KR20130006424A (ko) 2009-11-30 2013-01-16 에스티 에릭슨 에스에이 디바이스 내의 팝업 노이즈 감소
US7986187B1 (en) * 2010-03-04 2011-07-26 Bose Corporation Versatile audio power amplifier
US8384478B2 (en) 2010-03-04 2013-02-26 Bose Corporation Versatile audio power amplifier
EP2375566B1 (en) * 2010-04-12 2014-11-26 Dialog Semiconductor GmbH Duplicate feedback network in class D amplifiers
EP2387149B1 (en) * 2010-04-29 2012-11-07 Dialog Semiconductor GmbH Over-current protection for a switch mode class D audio amplifier
US8816614B2 (en) 2011-09-29 2014-08-26 Infineon Technologies Ag Diagnosis of over-current conditions in bipolar motor controllers
US9019012B2 (en) * 2011-11-18 2015-04-28 Cirrus Logic International (Uk) Limited Amplifier circuit with offset control
US8890608B2 (en) 2012-02-29 2014-11-18 Texas Instruments Incorporated Digital input class-D audio amplifier
US10219090B2 (en) * 2013-02-27 2019-02-26 Analog Devices Global Method and detector of loudspeaker diaphragm excursion
GB2561287B (en) * 2014-08-29 2019-03-20 Cirrus Logic Int Semiconductor Ltd Class D amplifier circuit
CN105245990A (zh) * 2015-10-26 2016-01-13 无锡智感星际科技有限公司 一种基于封闭式耳机的外界声源导入系统
JP6820171B2 (ja) * 2016-09-15 2021-01-27 ローム株式会社 Ｄ級アンプ回路、その制御方法、オーディオ出力装置、電子機器
EP3402070B1 (en) * 2017-05-11 2020-02-12 Infineon Technologies Austria AG Class d audio amplifier with adjustable gate drive
EP3425795B1 (en) * 2017-07-03 2021-09-01 Infineon Technologies Austria AG Class d audio amplifier with overload protection circuit

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