CN101018041A - 抑制d类功率放大器pop音的频率切换电路及其方法 - Google Patents
抑制d类功率放大器pop音的频率切换电路及其方法 Download PDFInfo
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CNB2007100379022A CN100471044C (zh) | 2007-03-08 | 2007-03-08 | 抑制d类功率放大器pop音的频率切换电路及其方法 |
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CNB2007100379022A CN100471044C (zh) | 2007-03-08 | 2007-03-08 | 抑制d类功率放大器pop音的频率切换电路及其方法 |
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CN101018041A true CN101018041A (zh) | 2007-08-15 |
CN100471044C CN100471044C (zh) | 2009-03-18 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101958701A (zh) * | 2009-07-15 | 2011-01-26 | 立锜科技股份有限公司 | 断电延迟电路与方法,以及具断电延迟的音响*** |
CN102195577A (zh) * | 2010-03-18 | 2011-09-21 | 雅马哈株式会社 | D类功率放大器 |
CN101729030B (zh) * | 2008-10-20 | 2013-09-11 | 立锜科技股份有限公司 | D类放大器及其控制方法 |
CN103368541A (zh) * | 2009-07-15 | 2013-10-23 | 立锜科技股份有限公司 | 断电延迟电路与方法,以及具断电延迟的音响*** |
CN103379411A (zh) * | 2012-04-13 | 2013-10-30 | 立锜科技股份有限公司 | 降低音频***启动或关闭时的瞬变信号的控制装置及方法 |
US8674554B2 (en) | 2009-06-23 | 2014-03-18 | Richtek Technology Corp. | Power off delay circuit and method, and audio system with power off delay |
TWI482505B (zh) * | 2012-09-19 | 2015-04-21 | Wistron Corp | 揚聲器控制系統 |
CN105515538A (zh) * | 2014-10-13 | 2016-04-20 | 英特尔公司 | 可切换双核功率放大器 |
WO2016083081A1 (en) * | 2014-11-26 | 2016-06-02 | Bang & Olufsen Icepower A/S | A system and method for close-down pop reduction |
CN107078697A (zh) * | 2014-11-10 | 2017-08-18 | 密克罗奇普技术公司 | D类功率驱动器***设备 |
CN109537183A (zh) * | 2018-11-20 | 2019-03-29 | 浙江众邦机电科技有限公司 | 一种缝纫机的压脚控制方法、装置、介质及设备 |
CN109610106A (zh) * | 2019-01-22 | 2019-04-12 | 浙江众邦机电科技有限公司 | 一种缝纫机电磁铁的控制方法及*** |
-
2007
- 2007-03-08 CN CNB2007100379022A patent/CN100471044C/zh not_active Expired - Fee Related
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101729030B (zh) * | 2008-10-20 | 2013-09-11 | 立锜科技股份有限公司 | D类放大器及其控制方法 |
US9219352B2 (en) | 2009-06-23 | 2015-12-22 | Richtek Technology Corp. | Power off delay circuit and method, and audio system with power off delay |
US8674554B2 (en) | 2009-06-23 | 2014-03-18 | Richtek Technology Corp. | Power off delay circuit and method, and audio system with power off delay |
CN103368541A (zh) * | 2009-07-15 | 2013-10-23 | 立锜科技股份有限公司 | 断电延迟电路与方法,以及具断电延迟的音响*** |
CN101958701A (zh) * | 2009-07-15 | 2011-01-26 | 立锜科技股份有限公司 | 断电延迟电路与方法,以及具断电延迟的音响*** |
CN101958701B (zh) * | 2009-07-15 | 2014-07-09 | 立锜科技股份有限公司 | 断电延迟电路与方法 |
CN102195577A (zh) * | 2010-03-18 | 2011-09-21 | 雅马哈株式会社 | D类功率放大器 |
US8618881B2 (en) | 2010-03-18 | 2013-12-31 | Yamaha Corporation | Class-D power amplifier |
CN102195577B (zh) * | 2010-03-18 | 2014-09-24 | 雅马哈株式会社 | D类功率放大器 |
CN103379411A (zh) * | 2012-04-13 | 2013-10-30 | 立锜科技股份有限公司 | 降低音频***启动或关闭时的瞬变信号的控制装置及方法 |
TWI482505B (zh) * | 2012-09-19 | 2015-04-21 | Wistron Corp | 揚聲器控制系統 |
CN105515538A (zh) * | 2014-10-13 | 2016-04-20 | 英特尔公司 | 可切换双核功率放大器 |
CN105515538B (zh) * | 2014-10-13 | 2018-10-12 | 英特尔公司 | 可切换双核功率放大器 |
CN107078697A (zh) * | 2014-11-10 | 2017-08-18 | 密克罗奇普技术公司 | D类功率驱动器***设备 |
WO2016083081A1 (en) * | 2014-11-26 | 2016-06-02 | Bang & Olufsen Icepower A/S | A system and method for close-down pop reduction |
US9991852B2 (en) | 2014-11-26 | 2018-06-05 | Icepower A/S | System and method for close-down pop reduction |
CN109537183A (zh) * | 2018-11-20 | 2019-03-29 | 浙江众邦机电科技有限公司 | 一种缝纫机的压脚控制方法、装置、介质及设备 |
CN109610106A (zh) * | 2019-01-22 | 2019-04-12 | 浙江众邦机电科技有限公司 | 一种缝纫机电磁铁的控制方法及*** |
CN109610106B (zh) * | 2019-01-22 | 2021-12-24 | 浙江众邦机电科技有限公司 | 一种缝纫机电磁铁的控制方法及*** |
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CN100471044C (zh) | 2009-03-18 |
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Address after: 201203 No. 18, building 572, 115 lane, Zhangjiang Road, Zhangjiang, Shanghai, Pudong Co-patentee after: Apexone Microelectronics Co., Ltd. Patentee after: Apexone Microelectronics (Shanghai) Co., Ltd. Address before: 201203 No. 18, building 572, 115 lane, Zhangjiang Road, Zhangjiang, Shanghai, Pudong Co-patentee before: Apexone Microelectronics Co., Ltd. Patentee before: Apexone Microelectronics (Shanghai)Co., Ltd. |
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Granted publication date: 20090318 Termination date: 20140308 |