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
Links
Classifications
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- 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
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- 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
- H04R3/007—Protection circuits for transducers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/462—Indexing 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)
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)
| 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)
| 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 |
-
2016
- 2016-02-15 FR FR1651213A patent/FR3047806B1/fr not_active Expired - Fee Related
-
2017
- 2017-02-14 JP JP2017024970A patent/JP6872383B2/ja active Active
- 2017-02-14 CA CA2957919A patent/CA2957919A1/en not_active Abandoned
- 2017-02-14 EP EP17156116.0A patent/EP3206038B1/fr active Active
- 2017-02-14 ES ES17156116T patent/ES2876357T3/es active Active
- 2017-02-14 RU RU2017104737A patent/RU2727074C2/ru active
- 2017-02-15 US US15/433,867 patent/US9949028B2/en active Active
- 2017-02-15 CN CN201710082013.1A patent/CN107105379B/zh active Active
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 |