JP2017146306A5 - - Google Patents

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Publication number
JP2017146306A5
JP2017146306A5 JP2017024970A JP2017024970A JP2017146306A5 JP 2017146306 A5 JP2017146306 A5 JP 2017146306A5 JP 2017024970 A JP2017024970 A JP 2017024970A JP 2017024970 A JP2017024970 A JP 2017024970A JP 2017146306 A5 JP2017146306 A5 JP 2017146306A5
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JP
Japan
Prior art keywords
current
voltage
output
resistor
inverting input
Prior art date
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Application number
JP2017024970A
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English (en)
Japanese (ja)
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JP6872383B2 (ja
JP2017146306A (ja
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Priority claimed from FR1651213A external-priority patent/FR3047806B1/fr
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Publication of JP2017146306A publication Critical patent/JP2017146306A/ja
Publication of JP2017146306A5 publication Critical patent/JP2017146306A5/ja
Application granted granted Critical
Publication of JP6872383B2 publication Critical patent/JP6872383B2/ja
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JP2017024970A 2016-02-15 2017-02-14 音響スピーカーを作動させるために音響増幅器によって生成される電流を測定するための装置 Active JP6872383B2 (ja)

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
JP2017146306A JP2017146306A (ja) 2017-08-24
JP2017146306A5 true JP2017146306A5 (enExample) 2020-03-26
JP6872383B2 JP6872383B2 (ja) 2021-05-19

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ID=55486979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017024970A Active JP6872383B2 (ja) 2016-02-15 2017-02-14 音響スピーカーを作動させるために音響増幅器によって生成される電流を測定するための装置

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

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