JP2002530000A5 - - Google Patents
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- Publication number
- JP2002530000A5 JP2002530000A5 JP2000581746A JP2000581746A JP2002530000A5 JP 2002530000 A5 JP2002530000 A5 JP 2002530000A5 JP 2000581746 A JP2000581746 A JP 2000581746A JP 2000581746 A JP2000581746 A JP 2000581746A JP 2002530000 A5 JP2002530000 A5 JP 2002530000A5
- Authority
- JP
- Japan
- Prior art keywords
- load
- switching amplifier
- amplifier according
- switch
- voltage
- 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.)
- Granted
Links
- 230000003068 static effect Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10794898P | 1998-11-12 | 1998-11-12 | |
| US60/107,948 | 1998-11-12 | ||
| PCT/US1999/026691 WO2000028658A1 (en) | 1998-11-12 | 1999-11-12 | Multi-reference, high-accuracy switching amplifier |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002530000A JP2002530000A (ja) | 2002-09-10 |
| JP2002530000A5 true JP2002530000A5 (https=) | 2007-01-11 |
| JP4707233B2 JP4707233B2 (ja) | 2011-06-22 |
Family
ID=22319342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000581746A Expired - Fee Related JP4707233B2 (ja) | 1998-11-12 | 1999-11-12 | 多重基準、高精度スイッチング増幅器 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6535058B1 (https=) |
| EP (1) | EP1131886B1 (https=) |
| JP (1) | JP4707233B2 (https=) |
| KR (1) | KR100704859B1 (https=) |
| CN (1) | CN1199349C (https=) |
| AT (1) | ATE358907T1 (https=) |
| AU (1) | AU766843B2 (https=) |
| BR (1) | BR9915269A (https=) |
| CA (1) | CA2349181A1 (https=) |
| DE (1) | DE69935731T2 (https=) |
| MX (1) | MXPA01004786A (https=) |
| WO (1) | WO2000028658A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7116162B2 (en) | 2002-08-27 | 2006-10-03 | Jam Technologies, Llc | Reduced output topology for multi-reference switching amplifiers |
| KR100452767B1 (ko) * | 2002-10-24 | 2004-10-14 | 월드탑텍(주) | 정현파 발생 회로, 이를 이용한 무정전 전원 장치 |
| DE60317299T2 (de) | 2003-02-17 | 2008-08-28 | D&M Holdings, Inc., Sagamihara | Pulsbreitenmodulationsverstärker |
| JP2007502124A (ja) * | 2003-08-11 | 2007-02-08 | コデクシス， インコーポレイテッド | 改良ケトレダクターゼポリペプチドおよび関連ポリヌクレオチド |
| US7132886B2 (en) | 2003-08-11 | 2006-11-07 | Jam Technologies, Inc. | Detecting load current in multi-reference amplifiers |
| US7230500B2 (en) | 2004-06-28 | 2007-06-12 | Jam Technologies, Inc. | Synchronous delay-line amplification technique |
| US7116168B2 (en) * | 2004-12-01 | 2006-10-03 | Creative Technology Ltd | Power multiplier system and method |
| CN101160716B (zh) * | 2005-04-07 | 2012-10-03 | Nxp股份有限公司 | 包括开关放大器和负载的装置 |
| WO2008095044A2 (en) * | 2007-01-30 | 2008-08-07 | Jm Electronics Ltd. Llc | Filter compensation for switching amplifiers |
| US7692487B2 (en) * | 2007-01-31 | 2010-04-06 | Larry Kirn | Low RF interference switching amplifier and method |
| EP2108218A1 (en) * | 2007-02-01 | 2009-10-14 | JM Electronics Ltd. Llc | Sampling frequency reduction for switching amplifiers |
| JP4710870B2 (ja) * | 2007-05-10 | 2011-06-29 | ヤマハ株式会社 | デジタルアンプ装置およびスピーカ装置 |
| US8330541B2 (en) * | 2011-03-01 | 2012-12-11 | Maxim Integrated Products, Inc. | Multilevel class-D amplifier |
| US9413854B1 (en) * | 2013-07-15 | 2016-08-09 | Amazon Technologies, Inc. | Network-accessible signal processing service |
| US11102583B1 (en) | 2019-03-27 | 2021-08-24 | Cirrus Logic, Inc. | Current vectoring to electroacoustic output transducers having multiple voice coils |
| US11026035B1 (en) | 2019-04-19 | 2021-06-01 | Cirrus Logic, Inc. | Transducer electrical characteristic and state sensing using multiple voice coils |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900823A (en) * | 1973-03-28 | 1975-08-19 | Nathan O Sokal | Amplifying and processing apparatus for modulated carrier signals |
| JPH029374Y2 (https=) * | 1979-01-31 | 1990-03-08 | ||
| GB2064901B (en) * | 1979-11-30 | 1984-11-07 | Harris Corp | Digital high power amplifier |
| US4404526A (en) | 1981-02-02 | 1983-09-13 | Kirn Larry J | High fidelity audio encoder/amplifier |
| JPS6225504A (ja) * | 1985-07-20 | 1987-02-03 | リツエンツイア・パテント−フエルヴアルツングス−ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 切換増幅器 |
| JPS6260306A (ja) * | 1985-09-10 | 1987-03-17 | Toshiba Corp | Ｐｗｍドライブ回路 |
| EP0250718A1 (de) * | 1986-06-30 | 1988-01-07 | Siemens Aktiengesellschaft | Stromversorgung für einen induktiven Verbraucher, insbesondere eine Gradientenspule, mit Steuer- und Regeleinrichtung |
| JPS63194597A (ja) * | 1987-02-04 | 1988-08-11 | Mitsubishi Electric Corp | 直流モ−タ制御装置 |
| US4748421A (en) * | 1987-04-08 | 1988-05-31 | Scs Telecom, Inc. | Enhanced class SM power amplifier |
| US4773096A (en) | 1987-07-20 | 1988-09-20 | Kirn Larry J | Digital switching power amplifier |
| JP2959810B2 (ja) * | 1990-06-11 | 1999-10-06 | 三菱電機株式会社 | パルス幅変調増幅器 |
| JP3130919B2 (ja) * | 1990-11-06 | 2001-01-31 | 三菱電機株式会社 | パルス幅変調増幅器 |
| JPH04241836A (ja) * | 1991-01-16 | 1992-08-28 | Toshiba Corp | 傾斜磁場アンプ装置 |
| US5309297A (en) | 1991-10-16 | 1994-05-03 | Rohm Co., Ltd. | Digital cassette tape reproducing device including novel drive circuit |
| JPH05269102A (ja) * | 1991-11-28 | 1993-10-19 | Toshiba Corp | 傾斜磁場アンプ装置 |
| US5270657A (en) * | 1992-03-23 | 1993-12-14 | General Electric Company | Split gradient amplifier for an MRI system |
| WO1994021036A1 (en) | 1993-03-02 | 1994-09-15 | Kirn Larry J | Switching amplifier with impedance transformation output stage |
| US5382915A (en) * | 1993-07-06 | 1995-01-17 | Motorola, Inc. | Pulsewidth-modulated amplifier having analog mode |
| DE4401609C1 (de) * | 1994-01-20 | 1994-12-22 | Siemens Ag | Leistungsverstärker für die Speisung einer induktiven Last mit geschalteten Transistoren |
| US5398003A (en) | 1994-03-30 | 1995-03-14 | Apple Computer, Inc. | Pulse width modulation speaker amplifier |
| US5613010A (en) | 1994-03-30 | 1997-03-18 | Apple Computer, Inc. | Apparatus for reproducing sound with a reduced dynamic range |
| JP3313256B2 (ja) * | 1995-01-09 | 2002-08-12 | 松下電器産業株式会社 | Ｄ級電力増幅器 |
| US5617058A (en) * | 1995-11-13 | 1997-04-01 | Apogee Technology, Inc. | Digital signal processing for linearization of small input signals to a tri-state power switch |
| US5663647A (en) * | 1995-12-29 | 1997-09-02 | General Electric Company | Switching gradient amplifier with adjustable DC bus voltage |
| US5777512A (en) * | 1996-06-20 | 1998-07-07 | Tripath Technology, Inc. | Method and apparatus for oversampled, noise-shaping, mixed-signal processing |
| JPH10145887A (ja) | 1996-11-07 | 1998-05-29 | Sony Corp | スピーカ装置 |
| IT1291783B1 (it) * | 1997-02-21 | 1999-01-21 | Claudio Lastrucci | Un filtro di ricostruzione per l'eliminazione del residuo di commutazione in un sistema a commutazione o simile |
| US5886572A (en) | 1997-07-25 | 1999-03-23 | Motorola, Inc. | Method and apparatus for reducing distortion in a power amplifier |
| US5909153A (en) | 1998-02-05 | 1999-06-01 | Tripath Technology, Inc. | Method and apparatus for compensating for delays in modulator loops |
| US5949282A (en) | 1998-02-25 | 1999-09-07 | National Semiconductor Corporation | Class D amplifier no low pass filter feedback with zero phase delay |
| DE19837439C2 (de) | 1998-08-18 | 2000-07-13 | Siemens Ag | Verfahren und Vorrichtung zum Erzeugen von Ansteuersignalen für eine Leistungsendstufe und Leistungsendstufe |
| US6441685B1 (en) * | 2000-03-17 | 2002-08-27 | Jl Audio, Inc. | Amplifier circuit and method for providing negative feedback thereto |
-
1999
- 1999-11-12 US US09/831,595 patent/US6535058B1/en not_active Expired - Fee Related
- 1999-11-12 WO PCT/US1999/026691 patent/WO2000028658A1/en not_active Ceased
- 1999-11-12 AU AU30993/00A patent/AU766843B2/en not_active Ceased
- 1999-11-12 CA CA002349181A patent/CA2349181A1/en not_active Abandoned
- 1999-11-12 AT AT99964977T patent/ATE358907T1/de not_active IP Right Cessation
- 1999-11-12 EP EP99964977A patent/EP1131886B1/en not_active Expired - Lifetime
- 1999-11-12 MX MXPA01004786A patent/MXPA01004786A/es not_active IP Right Cessation
- 1999-11-12 CN CNB998132241A patent/CN1199349C/zh not_active Expired - Fee Related
- 1999-11-12 KR KR1020017005997A patent/KR100704859B1/ko not_active Expired - Fee Related
- 1999-11-12 BR BR9915269-0A patent/BR9915269A/pt not_active IP Right Cessation
- 1999-11-12 JP JP2000581746A patent/JP4707233B2/ja not_active Expired - Fee Related
- 1999-11-12 DE DE69935731T patent/DE69935731T2/de not_active Expired - Lifetime
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