CN102404675B - 振动扬声器的驱动控制电路 - Google Patents
振动扬声器的驱动控制电路 Download PDFInfo
- Publication number
- CN102404675B CN102404675B CN201110272242.2A CN201110272242A CN102404675B CN 102404675 B CN102404675 B CN 102404675B CN 201110272242 A CN201110272242 A CN 201110272242A CN 102404675 B CN102404675 B CN 102404675B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- drive
- frequency
- voice coil
- vibration mode
- 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
Links
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/10—Telephone receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/01—Transducers used as a loudspeaker to generate sound aswell as a microphone to detect sound
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Circuit For Audible Band Transducer (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-203111 | 2010-09-10 | ||
JP2010203111A JP2012060505A (ja) | 2010-09-10 | 2010-09-10 | 振動スピーカの駆動制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102404675A CN102404675A (zh) | 2012-04-04 |
CN102404675B true CN102404675B (zh) | 2014-07-30 |
Family
ID=45806758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110272242.2A Expired - Fee Related CN102404675B (zh) | 2010-09-10 | 2011-09-09 | 振动扬声器的驱动控制电路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9319777B2 (zh) |
JP (1) | JP2012060505A (zh) |
KR (1) | KR101172646B1 (zh) |
CN (1) | CN102404675B (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5601879B2 (ja) * | 2010-01-28 | 2014-10-08 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | リニア振動モータの駆動制御回路 |
KR20120047379A (ko) * | 2010-11-03 | 2012-05-14 | 한국전자통신연구원 | 확산 스펙트럼 클럭 발생 회로 |
US9124961B2 (en) | 2011-07-15 | 2015-09-01 | Mediatek Inc. | Control device for driving multi-function speaker by using digital mixing scheme and related control method thereof |
US10117036B2 (en) | 2011-07-15 | 2018-10-30 | Mediatek Inc. | Calibration method and calibration module thereof for vibration device |
TW201424271A (zh) * | 2012-12-12 | 2014-06-16 | Novatek Microelectronics Corp | 展頻時脈產生器 |
US9264802B2 (en) * | 2012-12-13 | 2016-02-16 | Google Inc. | Computing device utilizing a resting surface as a speaker |
CA3075310C (en) * | 2013-07-29 | 2022-04-05 | Alfred E. Mann Foundation For Scientific Research | Microprocessor controlled class e driver |
CN104113803A (zh) * | 2014-07-17 | 2014-10-22 | 瑞声声学科技(深圳)有限公司 | 基于多音圈的扬声器系统 |
CN105142069B (zh) * | 2015-08-18 | 2018-09-07 | 瑞声光电科技(常州)有限公司 | 多功能发声器件的驱动系统及其功率放大器 |
CN105120401B (zh) * | 2015-08-18 | 2018-08-14 | 瑞声光电科技(常州)有限公司 | 多功能发声器件的驱动系统及其功率放大器 |
KR102398948B1 (ko) * | 2018-02-13 | 2022-05-18 | 주식회사 이엠텍 | 음향 변환 장치 |
WO2020185902A1 (en) | 2019-03-11 | 2020-09-17 | Axonics Modulation Technologies, Inc. | Charging device with off-center coil |
CN111078043B (zh) * | 2019-11-22 | 2023-09-05 | 瑞声科技(新加坡)有限公司 | 一种低频振感补偿方法、装置及电子设备 |
CN114448323A (zh) * | 2020-10-19 | 2022-05-06 | 郑德星 | 节能设备电机负载变采样周期的力矩跟踪和动态补偿装置 |
US11758334B2 (en) * | 2021-08-06 | 2023-09-12 | Invensense, Inc. | Acoustic activity detection |
CN114021079B (zh) * | 2021-10-20 | 2024-09-03 | 武汉市聚芯微电子有限责任公司 | 一种振动控制方法及振动装置、存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722387A (en) * | 1980-07-15 | 1982-02-05 | Meidensha Electric Mfg Co Ltd | Controlling system for thyristor inverter |
CN1211155A (zh) * | 1997-06-24 | 1999-03-17 | 松下电器产业株式会社 | 电-机-声变换装置 |
CN1853444A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 高效音频换能器 |
CN1853443A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 高效音频再现 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3614937B2 (ja) * | 1995-06-05 | 2005-01-26 | アスモ株式会社 | 移動体通信端末の呼出装置 |
JP3645364B2 (ja) * | 1996-07-30 | 2005-05-11 | ヤマハ株式会社 | 周波数検出装置 |
TW353849B (en) | 1996-11-29 | 1999-03-01 | Matsushita Electric Ind Co Ltd | Electric-to-mechanical-to-acoustic converter and portable terminal unit |
JP2963917B2 (ja) * | 1996-11-29 | 1999-10-18 | 松下電器産業株式会社 | 電気−機械−音響変換器及び携帯端末装置 |
JP3263632B2 (ja) * | 1997-07-31 | 2002-03-04 | 三洋電機株式会社 | 通信機器及びその調整装置 |
JP2003037887A (ja) * | 2001-07-25 | 2003-02-07 | Mitsubishi Electric Corp | 音響制御装置及び音響システム |
US7003130B2 (en) * | 2003-01-29 | 2006-02-21 | Samsung Electro-Mechanics Co., Ltd. | Resonance frequency correction method and vibration speaker |
JP2004343884A (ja) | 2003-05-15 | 2004-12-02 | Makita Corp | 三相モータ駆動回路と駆動方法 |
US7290993B2 (en) | 2004-04-02 | 2007-11-06 | Adaptivenergy Llc | Piezoelectric devices and methods and circuits for driving same |
JP4955196B2 (ja) * | 2004-05-28 | 2012-06-20 | 日置電機株式会社 | 交流信号測定装置 |
KR100617140B1 (ko) * | 2004-12-13 | 2006-08-31 | 엘지전자 주식회사 | 이동 통신 단말기의 착신 신호 자동 전환 방법 |
JP2009115505A (ja) * | 2007-11-02 | 2009-05-28 | Mitsubishi Electric Corp | 巻線の検査装置及び検査方法 |
US8132459B2 (en) * | 2008-09-13 | 2012-03-13 | Texas Instruments Incorporated | System and method to determine mechanical resonance of an accelerometer |
JP5601879B2 (ja) * | 2010-01-28 | 2014-10-08 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | リニア振動モータの駆動制御回路 |
JP5603607B2 (ja) * | 2010-01-28 | 2014-10-08 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | リニア振動モータの駆動制御回路 |
-
2010
- 2010-09-10 JP JP2010203111A patent/JP2012060505A/ja not_active Ceased
-
2011
- 2011-09-08 US US13/228,156 patent/US9319777B2/en not_active Expired - Fee Related
- 2011-09-09 KR KR1020110091585A patent/KR101172646B1/ko active IP Right Grant
- 2011-09-09 CN CN201110272242.2A patent/CN102404675B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5722387A (en) * | 1980-07-15 | 1982-02-05 | Meidensha Electric Mfg Co Ltd | Controlling system for thyristor inverter |
CN1211155A (zh) * | 1997-06-24 | 1999-03-17 | 松下电器产业株式会社 | 电-机-声变换装置 |
CN1853444A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 高效音频换能器 |
CN1853443A (zh) * | 2003-09-16 | 2006-10-25 | 皇家飞利浦电子股份有限公司 | 高效音频再现 |
Also Published As
Publication number | Publication date |
---|---|
JP2012060505A (ja) | 2012-03-22 |
KR101172646B1 (ko) | 2012-08-08 |
CN102404675A (zh) | 2012-04-04 |
US20120063632A1 (en) | 2012-03-15 |
KR20120027097A (ko) | 2012-03-21 |
US9319777B2 (en) | 2016-04-19 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR ELEMENT INDUSTRIES, INC. Free format text: FORMER OWNER: AMI SEMICONDUCTOR TRADE CO. Effective date: 20130321 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130321 Address after: Arizona USA Applicant after: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC Address before: Bermuda Hamilton Applicant before: ON Semiconductor Trading, Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20210909 |