RU2017104737A3 - - Google Patents

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Publication number
RU2017104737A3
RU2017104737A3 RU2017104737A RU2017104737A RU2017104737A3 RU 2017104737 A3 RU2017104737 A3 RU 2017104737A3 RU 2017104737 A RU2017104737 A RU 2017104737A RU 2017104737 A RU2017104737 A RU 2017104737A RU 2017104737 A3 RU2017104737 A3 RU 2017104737A3
Authority
RU
Russia
Application number
RU2017104737A
Other languages
Russian (ru)
Other versions
RU2727074C2 (ru
RU2017104737A (ru
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 filed Critical
Publication of RU2017104737A publication Critical patent/RU2017104737A/ru
Publication of RU2017104737A3 publication Critical patent/RU2017104737A3/ru
Application granted granted Critical
Publication of RU2727074C2 publication Critical patent/RU2727074C2/ru

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/007Protection circuits for transducers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/462Indexing scheme relating to amplifiers the current being sensed

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
RU2017104737A 2016-02-15 2017-02-14 Устройство для измерения электрического тока, генерируемого усилителем звуковой частоты, для приведения в действие акустической колонки RU2727074C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1651213A FR3047806B1 (fr) 2016-02-15 2016-02-15 Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique
FR1651213 2016-02-15

Publications (3)

Publication Number Publication Date
RU2017104737A RU2017104737A (ru) 2018-08-14
RU2017104737A3 true RU2017104737A3 (enExample) 2020-05-26
RU2727074C2 RU2727074C2 (ru) 2020-07-17

Family

ID=55486979

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2017104737A RU2727074C2 (ru) 2016-02-15 2017-02-14 Устройство для измерения электрического тока, генерируемого усилителем звуковой частоты, для приведения в действие акустической колонки

Country Status (8)

Country Link
US (1) US9949028B2 (enExample)
EP (1) EP3206038B1 (enExample)
JP (1) JP6872383B2 (enExample)
CN (1) CN107105379B (enExample)
CA (1) CA2957919A1 (enExample)
ES (1) ES2876357T3 (enExample)
FR (1) FR3047806B1 (enExample)
RU (1) RU2727074C2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110932698A (zh) * 2019-12-17 2020-03-27 中晟微电子(南京)有限公司 一种高通滤波器的漏电流补偿电路
DE102021132633B4 (de) * 2021-12-10 2023-10-12 Infineon Technologies Ag Verfahren und Schaltung zur Stromerfassung
CN119561558B (zh) * 2024-11-27 2025-07-08 广州润芯信息技术有限公司 一种电流型发射机前端电路及发射系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221128A (en) * 1978-09-29 1980-09-09 Neil Brown Instruments Systems, Inc. Acoustic current meter
JP2862370B2 (ja) * 1990-11-29 1999-03-03 株式会社アドバンテスト 電流検出回路
US5517134A (en) * 1994-09-16 1996-05-14 Texas Instruments Incorporated Offset comparator with common mode voltage stability
JP3189605B2 (ja) * 1994-12-20 2001-07-16 ソニー株式会社 スピーカー駆動回路
JP2004053528A (ja) * 2002-07-23 2004-02-19 Mitsubishi Electric Corp 電流検出回路
RU2231797C1 (ru) * 2002-11-25 2004-06-27 Институт проблем управления им. В.А. Трапезникова РАН Измерительный преобразователь переменного напряжения в постоянное
JP2005117361A (ja) * 2003-10-08 2005-04-28 Sanyo Electric Co Ltd 音響装置及び音響装置の音響特性設定方法
US7960997B2 (en) * 2007-08-08 2011-06-14 Advanced Analogic Technologies, Inc. Cascode current sensor for discrete power semiconductor devices
RU2442177C1 (ru) * 2010-09-09 2012-02-10 Министерство Промышленности И Торговли Российской Федерации Интегратор тока
EP2453669A1 (en) * 2010-11-16 2012-05-16 Nxp B.V. Control of a loudspeaker output
EP2632174B1 (en) * 2012-02-27 2016-10-26 ST-Ericsson SA A circuit for use with a loudspeaker for portable equipments
CN102854365B (zh) * 2012-09-03 2015-04-08 中国科学院电工研究所 一种磁声电电流测量装置
US8902005B2 (en) * 2012-09-25 2014-12-02 Analog Devices, Inc. Apparatus and method for wide common mode difference
TW201415913A (zh) * 2012-10-08 2014-04-16 Chi Mei Comm Systems Inc 揚聲器系統及其檢測方法
US9253569B2 (en) * 2013-12-20 2016-02-02 Infineon Technologies Ag System and method for a cancelation circuit
US9983233B2 (en) * 2014-02-06 2018-05-29 Texas Instruments Incorporated Current sensor
CN103954823B (zh) * 2014-05-14 2016-08-10 中国科学院声学研究所 声表面波电流传感器

Also Published As

Publication number Publication date
CA2957919A1 (en) 2017-08-15
FR3047806B1 (fr) 2019-07-26
EP3206038A1 (fr) 2017-08-16
CN107105379B (zh) 2020-11-24
FR3047806A1 (fr) 2017-08-18
JP6872383B2 (ja) 2021-05-19
CN107105379A (zh) 2017-08-29
JP2017146306A (ja) 2017-08-24
ES2876357T3 (es) 2021-11-12
EP3206038B1 (fr) 2021-04-07
RU2727074C2 (ru) 2020-07-17
US9949028B2 (en) 2018-04-17
RU2017104737A (ru) 2018-08-14
US20170238093A1 (en) 2017-08-17

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