JP4674474B2 - パラレル駆動バイアンプ切換回路 - Google Patents

パラレル駆動バイアンプ切換回路 Download PDF

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Publication number
JP4674474B2
JP4674474B2 JP2005048351A JP2005048351A JP4674474B2 JP 4674474 B2 JP4674474 B2 JP 4674474B2 JP 2005048351 A JP2005048351 A JP 2005048351A JP 2005048351 A JP2005048351 A JP 2005048351A JP 4674474 B2 JP4674474 B2 JP 4674474B2
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JP
Japan
Prior art keywords
amplifier
speaker
terminal
output
channel
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.)
Expired - Fee Related
Application number
JP2005048351A
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English (en)
Japanese (ja)
Other versions
JP2006237928A (ja
JP2006237928A5 (enExample
Inventor
敦夫 渡部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2005048351A priority Critical patent/JP4674474B2/ja
Priority to EP06714363.6A priority patent/EP1853086B1/en
Priority to PCT/JP2006/303223 priority patent/WO2006090758A1/ja
Priority to US11/814,791 priority patent/US8081781B2/en
Publication of JP2006237928A publication Critical patent/JP2006237928A/ja
Publication of JP2006237928A5 publication Critical patent/JP2006237928A5/ja
Application granted granted Critical
Publication of JP4674474B2 publication Critical patent/JP4674474B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2005048351A 2005-02-24 2005-02-24 パラレル駆動バイアンプ切換回路 Expired - Fee Related JP4674474B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005048351A JP4674474B2 (ja) 2005-02-24 2005-02-24 パラレル駆動バイアンプ切換回路
EP06714363.6A EP1853086B1 (en) 2005-02-24 2006-02-23 A/v amplifier and method for driving the same
PCT/JP2006/303223 WO2006090758A1 (ja) 2005-02-24 2006-02-23 Ａｖアンプおよびその駆動方法
US11/814,791 US8081781B2 (en) 2005-02-24 2006-02-23 A/V amplifier and method for driving the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005048351A JP4674474B2 (ja) 2005-02-24 2005-02-24 パラレル駆動バイアンプ切換回路

Publications (3)

Publication Number Publication Date
JP2006237928A JP2006237928A (ja) 2006-09-07
JP2006237928A5 JP2006237928A5 (enExample) 2008-02-14
JP4674474B2 true JP4674474B2 (ja) 2011-04-20

Family

ID=36927396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005048351A Expired - Fee Related JP4674474B2 (ja) 2005-02-24 2005-02-24 パラレル駆動バイアンプ切換回路

Country Status (4)

Country Link
US (1) US8081781B2 (enExample)
EP (1) EP1853086B1 (enExample)
JP (1) JP4674474B2 (enExample)
WO (1) WO2006090758A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060262936A1 (en) * 2005-05-13 2006-11-23 Pioneer Corporation Virtual surround decoder apparatus
JP4197040B2 (ja) * 2007-05-11 2008-12-17 オンキヨー株式会社 マルチチャンネル増幅器
US8284963B2 (en) * 2007-09-11 2012-10-09 Texas Instruments Incorporated Method and apparatus for diminishing mismatch effects between switched signals
JP4949193B2 (ja) * 2007-10-23 2012-06-06 ティーオーエー株式会社 オーディオパワーアンプ
TW201019746A (en) * 2008-11-05 2010-05-16 Anpec Electronics Corp Multi-channel output device for a multimedia device
US8494183B2 (en) 2009-02-03 2013-07-23 Onkyo Corporation Audio processing apparatus
JP4471030B1 (ja) * 2009-02-03 2010-06-02 オンキヨー株式会社 音声処理装置
US9426574B2 (en) 2010-03-19 2016-08-23 Bose Corporation Automatic audio source switching
JP4997659B2 (ja) 2010-04-02 2012-08-08 オンキヨー株式会社 音声処理装置
JP5444173B2 (ja) * 2010-09-08 2014-03-19 株式会社東芝 増幅器及びアンプ制御方法
US9543913B2 (en) * 2013-01-09 2017-01-10 Osc, Llc Programmably configured switchmode audio amplifier
US10134295B2 (en) 2013-09-20 2018-11-20 Bose Corporation Audio demonstration kit
US9997081B2 (en) 2013-09-20 2018-06-12 Bose Corporation Audio demonstration kit
CN103702172A (zh) * 2013-12-13 2014-04-02 乐视网信息技术（北京）股份有限公司 对音视频进行杜比转码的方法和系统
TWI583206B (zh) * 2015-07-15 2017-05-11 盛微先進科技股份有限公司 立體聲訊號驅動的裝置和方法
WO2017164286A1 (ja) * 2016-03-23 2017-09-28 ヤマハ株式会社 音響機器の設定方法及び音響機器
US11194607B2 (en) 2018-01-16 2021-12-07 Qsc, Llc Cloud based audio / video operating systems
CN111602118B (zh) 2018-01-16 2023-06-06 Qsc公司 实现虚拟机的音频，视频和控制系统
WO2019165317A2 (en) * 2018-02-23 2019-08-29 Qsc, Llc Audio amplifier assemblies, processes, and methods

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105371A (nl) * 1981-11-27 1983-06-16 Philips Nv Inrichting voor het aansturen van een of meer omzeteenheden.
JPS6047316A (ja) 1983-08-23 1985-03-14 三菱電機株式会社 パツフア式ガス遮断器
JPS6047316U (ja) * 1983-09-09 1985-04-03 日本コロムビア株式会社 増幅装置
JPS60192512A (ja) * 1984-03-13 1985-10-01 井関農機株式会社 コンバイン播種機
JPS60192512U (ja) * 1984-05-30 1985-12-20 日本コロムビア株式会社 電力増幅器
JPH0623119Y2 (ja) 1989-01-24 1994-06-15 パイオニア株式会社 サラウンド方式ステレオ再生装置
JPH0751169B2 (ja) 1993-04-22 1995-06-05 株式会社三共 パチンコ機
JPH09271100A (ja) * 1996-04-02 1997-10-14 Nippon Columbia Co Ltd 音響信号処理装置
EP0866638B1 (en) 1997-03-10 2011-06-15 Panasonic Corporation Audiovisual amplifier
US5875250A (en) * 1998-02-02 1999-02-23 Kuo; Mark Single package three channel audio signal amplifier
JP2004048333A (ja) * 2002-07-11 2004-02-12 Victor Co Of Japan Ltd Ｐｗｍ変調方式ｄ級アンプ
JP2006033499A (ja) * 2004-07-16 2006-02-02 Sony Corp Ｄ級増幅器

Also Published As

Publication number Publication date
EP1853086B1 (en) 2018-04-04
WO2006090758A1 (ja) 2006-08-31
US8081781B2 (en) 2011-12-20
US20090016539A1 (en) 2009-01-15
JP2006237928A (ja) 2006-09-07
EP1853086A4 (en) 2011-04-06
EP1853086A1 (en) 2007-11-07

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