JP5010006B2 - モーショナルフィードバックシステム - Google Patents

モーショナルフィードバックシステム Download PDF

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Publication number
JP5010006B2
JP5010006B2 JP2010079860A JP2010079860A JP5010006B2 JP 5010006 B2 JP5010006 B2 JP 5010006B2 JP 2010079860 A JP2010079860 A JP 2010079860A JP 2010079860 A JP2010079860 A JP 2010079860A JP 5010006 B2 JP5010006 B2 JP 5010006B2
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JP
Japan
Prior art keywords
impedance
loudspeaker
frequency
output
filter
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.)
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Application number
JP2010079860A
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English (en)
Japanese (ja)
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JP2010246115A5 (enExample
JP2010246115A (ja
Inventor
アール． スタンリー ジェラルド
Original Assignee
ハーマン インターナショナル インダストリーズ インコーポレイテッド
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Publication of JP2010246115A5 publication Critical patent/JP2010246115A5/ja
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • 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
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45136—One differential amplifier in IC-block form being shown
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45526—Indexing scheme relating to differential amplifiers the FBC comprising a resistor-capacitor combination and being coupled between the LC and the IC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2010079860A 2009-03-31 2010-03-30 モーショナルフィードバックシステム Active JP5010006B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US16524009P 2009-03-31 2009-03-31
US61/165,240 2009-03-31
US12/748,097 2010-03-26
US12/748,097 US8401207B2 (en) 2009-03-31 2010-03-26 Motional feedback system

Publications (3)

Publication Number Publication Date
JP2010246115A JP2010246115A (ja) 2010-10-28
JP2010246115A5 JP2010246115A5 (enExample) 2011-12-01
JP5010006B2 true JP5010006B2 (ja) 2012-08-29

Family

ID=42312737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010079860A Active JP5010006B2 (ja) 2009-03-31 2010-03-30 モーショナルフィードバックシステム

Country Status (4)

Country Link
US (1) US8401207B2 (enExample)
EP (1) EP2237569B1 (enExample)
JP (1) JP5010006B2 (enExample)
CN (1) CN101895804B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016510966A (ja) * 2013-03-12 2016-04-11 クアンタンス， インコーポレイテッド 音声システムにおける音声歪の低減

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KR101991860B1 (ko) * 2012-05-07 2019-06-24 삼성전자주식회사 카메라 모듈에서 액추에이터 제어 방법 및 장치
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CN110536214A (zh) * 2016-04-11 2019-12-03 展讯通信（上海）有限公司 扬声器控制方法及装置
CN106454679B (zh) * 2016-11-17 2019-05-21 矽力杰半导体技术(杭州)有限公司 扬声器振膜状态估计方法及应用其的扬声器驱动电路
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CN111541975B (zh) * 2020-04-27 2021-05-07 维沃移动通信有限公司 音频信号的调节方法及电子设备
US11470434B2 (en) 2020-06-29 2022-10-11 Texas Instruments Incorporated System and method for estimating temperature of voice coil
CN114079439B (zh) * 2020-08-17 2025-07-15 中兴通讯股份有限公司 双工器、网络设备、控制方法、电子设备及存储介质
CN112383851B (zh) * 2020-11-13 2022-02-22 苏州森斯微电子技术有限公司 一种具有扬声器功能的多变量传感器及应用
CN115190393B (zh) * 2022-07-07 2025-08-01 莱珀(深圳)科技有限公司 一种音频接口反馈电路及其反馈方法
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016510966A (ja) * 2013-03-12 2016-04-11 クアンタンス， インコーポレイテッド 音声システムにおける音声歪の低減

Also Published As

Publication number Publication date
EP2237569A1 (en) 2010-10-06
EP2237569B1 (en) 2012-06-06
JP2010246115A (ja) 2010-10-28
US8401207B2 (en) 2013-03-19
CN101895804A (zh) 2010-11-24
CN101895804B (zh) 2014-06-11
US20100246848A1 (en) 2010-09-30

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