JPH10153636A5 - - Google Patents

Info

Publication number
JPH10153636A5
JPH10153636A5 JP1997297066A JP29706697A JPH10153636A5 JP H10153636 A5 JPH10153636 A5 JP H10153636A5 JP 1997297066 A JP1997297066 A JP 1997297066A JP 29706697 A JP29706697 A JP 29706697A JP H10153636 A5 JPH10153636 A5 JP H10153636A5
Authority
JP
Japan
Prior art keywords
speaker
power stage
signal
audio processing
audio
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
JP1997297066A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10153636A (ja
Filing date
Publication date
Priority claimed from US08/745,768 external-priority patent/US5815584A/en
Application filed filed Critical
Publication of JPH10153636A publication Critical patent/JPH10153636A/ja
Publication of JPH10153636A5 publication Critical patent/JPH10153636A5/ja
Pending legal-status Critical Current

Links

JP9297066A 1996-11-08 1997-10-29 自動車オーディオ装置用スピーカの短絡の自動検出 Pending JPH10153636A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/745,768 US5815584A (en) 1996-11-08 1996-11-08 Automatic detection of shorted loudspeakers in automotive audio systems
US745768 1996-11-08

Publications (2)

Publication Number Publication Date
JPH10153636A JPH10153636A (ja) 1998-06-09
JPH10153636A5 true JPH10153636A5 (https=) 2005-06-02

Family

ID=24998175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9297066A Pending JPH10153636A (ja) 1996-11-08 1997-10-29 自動車オーディオ装置用スピーカの短絡の自動検出

Country Status (5)

Country Link
US (1) US5815584A (https=)
EP (1) EP0841570B1 (https=)
JP (1) JPH10153636A (https=)
CA (1) CA2220386A1 (https=)
DE (1) DE69735577T2 (https=)

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US20010026623A1 (en) * 2000-10-17 2001-10-04 Erwin Duane A. Remote Broadcasting System
TW487904B (en) * 2000-12-20 2002-05-21 Elan Microelectronics Corp Integrated voice synthesizer for automatically detecting speaker's connection status and the detection method therefor
US6870934B2 (en) * 2002-07-15 2005-03-22 Visteon Global Technologies, Inc. Audio loudspeaker detection using back-EMF sensing
US6760452B2 (en) 2002-10-24 2004-07-06 Visteon Global Technologies, Inc. Multi-channel audio signal limiter with shared clip detection
DE10249495B3 (de) * 2002-10-24 2004-05-27 Daimlerchrysler Ag Vorrichtung zum Testen von Lautsprechern auf Funktionsfähigkeit
US20070055462A1 (en) * 2002-11-29 2007-03-08 Daniel Mulligan Circuit for use in a multifunction handheld device with wireless host interface
US20070078548A1 (en) * 2002-11-29 2007-04-05 May Daniel M Circuit for use in multifunction handheld device having a radio receiver
US20070052792A1 (en) * 2002-11-29 2007-03-08 Daniel Mulligan Circuit for use in cellular telephone with video functionality
US7555410B2 (en) * 2002-11-29 2009-06-30 Freescale Semiconductor, Inc. Circuit for use with multifunction handheld device with video functionality
US20040104707A1 (en) * 2002-11-29 2004-06-03 May Marcus W. Method and apparatus for efficient battery use by a handheld multiple function device
US8005230B2 (en) * 2002-12-20 2011-08-23 The AVC Group, LLC Method and system for digitally controlling a multi-channel audio amplifier
US20050036631A1 (en) * 2003-08-11 2005-02-17 Honda Giken Kogyo Kabushiki Kaisha System and method for testing motor vehicle loudspeakers
US20050175195A1 (en) * 2004-02-10 2005-08-11 Cheney Maynard C.Jr. Detecting connectivity of a speaker
US20050249353A1 (en) * 2004-05-05 2005-11-10 Visteon Global Technologies, Inc. System and method for detecting fault conditions on audio output channels
US20050285935A1 (en) * 2004-06-29 2005-12-29 Octiv, Inc. Personal conferencing node
US7636446B1 (en) * 2004-09-22 2009-12-22 Apple Inc. State machine enabling auto-recovery of short-circuited class D audio amplifiers
US20060139030A1 (en) * 2004-12-17 2006-06-29 Hubbard Bradley J System and method for diagnosing manufacturing defects in a hearing instrument
EP1957992B1 (en) * 2005-12-06 2011-05-25 Harman International Industries, Incorporated Diagnostic system for power converter
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DE102006039162A1 (de) * 2006-08-21 2008-02-28 Lear Corp., Southfield Schutzverfahren für Lautsprechersysteme
JP5058623B2 (ja) * 2007-02-16 2012-10-24 キヤノン株式会社 スピーカ装置、スピーカ駆動装置、およびそれらの制御方法
US8063698B2 (en) * 2008-05-02 2011-11-22 Bose Corporation Bypassing amplification
US8325931B2 (en) * 2008-05-02 2012-12-04 Bose Corporation Detecting a loudspeaker configuration
KR20110027023A (ko) * 2009-09-09 2011-03-16 삼성전자주식회사 음성처리장치 및 방법
JP2011182263A (ja) * 2010-03-02 2011-09-15 Panasonic Corp スピーカ駆動集積回路
US9538287B2 (en) * 2011-04-15 2017-01-03 Fairchild Semiconductor Corporation DC voltage error protection circuit
JP5611114B2 (ja) * 2011-05-09 2014-10-22 アルパイン株式会社 パワーアンプのスピーカ接続検査方法及び装置
US8675078B1 (en) 2011-09-30 2014-03-18 Thomson Licensing Test technique for set-top boxes
DE102011087676A1 (de) * 2011-12-02 2013-06-06 Continental Automotive Gmbh Verfahren und Vorrichtung zur Überprüfung einer Lautsprecheranordnung
CN106412761B (zh) 2011-12-30 2020-02-14 意法半导体研发(深圳)有限公司 用于汽车音频功率放大器的嵌入式扬声器保护
JP5772721B2 (ja) 2012-05-24 2015-09-02 アンデン株式会社 車両接近通報装置
US9084059B2 (en) * 2012-06-08 2015-07-14 Apple Inc. Electronic audio device to determine matching and non-matching speakers
CN102998581B (zh) * 2012-11-14 2015-05-06 肇庆理士电源技术有限公司 用于铅酸蓄电池自恢复保险的检测装置
US9118985B2 (en) * 2012-12-04 2015-08-25 Bose Corporation Communication of diagnostic information from satellite to host
WO2016040143A1 (en) * 2014-09-09 2016-03-17 Panasonic Automotive Systems Company Of America, Divison Of Panasonic Corporation Of North America Smart plug and play automatic obd-ii system tester
CN108254651B (zh) * 2016-12-28 2020-09-18 致茂电子(苏州)有限公司 接线检查方法
CN107864443B (zh) * 2017-10-30 2020-05-12 歌尔股份有限公司 耳机电池的断路检测装置及检测方法
KR102459233B1 (ko) * 2017-11-15 2022-10-26 현대자동차주식회사 차량용 앰프, 차량 및 그 제어방법
DE102018125268B4 (de) * 2018-10-12 2021-12-30 Volkswagen Aktiengesellschaft Prüfvorrichtung und Verfahren zur Prüfung wenigstens einer Komponente einer Tür eines Fahrzeuges
US11816936B2 (en) * 2018-12-03 2023-11-14 Bendix Commercial Vehicle Systems, Llc System and method for detecting driver tampering of vehicle information systems

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US4124780A (en) * 1976-11-18 1978-11-07 Nippon Gakki Seizo Kabushiki Kaisha FM stereophonic receiver providing a test signal
US4234964A (en) * 1977-05-11 1980-11-18 Industrial Electronics Service Company Radio receiver monitoring and testing apparatus
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JPS5795734A (en) * 1980-12-05 1982-06-14 Mitsubishi Electric Corp Method for automatic inspection of multiple radio loud speaker receiving station
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US5187809A (en) * 1990-08-24 1993-02-16 Motorola, Inc. Dual mode automatic gain control
US5042070A (en) * 1990-10-01 1991-08-20 Ford Motor Company Automatically configured audio system
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US5450624A (en) * 1993-01-07 1995-09-12 Ford Motor Company Method and apparatus for diagnosing amp to speaker connections

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