CN104768104B - 船用抗环境噪声和防啸叫话筒电路 - Google Patents
船用抗环境噪声和防啸叫话筒电路 Download PDFInfo
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- CN104768104B CN104768104B CN201510068089.XA CN201510068089A CN104768104B CN 104768104 B CN104768104 B CN 104768104B CN 201510068089 A CN201510068089 A CN 201510068089A CN 104768104 B CN104768104 B CN 104768104B
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CN104768104B true CN104768104B (zh) | 2017-11-24 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106303827B (zh) * | 2016-08-19 | 2019-10-25 | 宁波中荣声学科技有限公司 | 麦克风防啸叫电路 |
CN109104672B (zh) * | 2018-08-27 | 2020-11-24 | 上海咔滨船舶装备有限公司 | 声音降噪电路及话筒 |
CN110536195B (zh) * | 2019-09-29 | 2021-07-02 | 商丘华亿通电子科技有限公司 | 动态降噪喊话器 |
CN113746994B (zh) * | 2021-11-05 | 2022-04-08 | 天津七一二移动通信有限公司 | 一种轨道交通用抗啸叫自动增益调节的手咪电路实现方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2075840U (zh) * | 1990-12-19 | 1991-04-24 | 张端阳 | 抑噪受话器 |
CN1102920A (zh) * | 1993-07-27 | 1995-05-24 | 株式会社东芝 | 声音合成兼频带限制电路以及低音提升电路 |
CN1234896A (zh) * | 1997-07-11 | 1999-11-10 | 索尼株式会社 | 信息解码方法和装置、信息编码方法和装置以及供应媒体 |
CN1606382A (zh) * | 2003-07-31 | 2005-04-13 | 索尼株式会社 | 通信装置 |
CN101203063A (zh) * | 2007-12-19 | 2008-06-18 | 北京中星微电子有限公司 | 麦克风阵列的噪声消除方法及装置 |
CN201392254Y (zh) * | 2009-04-02 | 2010-01-27 | 潘毅强 | 声波防溢出测温装置 |
CN103702258A (zh) * | 2013-12-27 | 2014-04-02 | 深圳泰山在线科技有限公司 | 麦克风装置及消除近场声源干扰的麦克风设置方法 |
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- 2015-02-09 CN CN201510068089.XA patent/CN104768104B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2075840U (zh) * | 1990-12-19 | 1991-04-24 | 张端阳 | 抑噪受话器 |
CN1102920A (zh) * | 1993-07-27 | 1995-05-24 | 株式会社东芝 | 声音合成兼频带限制电路以及低音提升电路 |
CN1234896A (zh) * | 1997-07-11 | 1999-11-10 | 索尼株式会社 | 信息解码方法和装置、信息编码方法和装置以及供应媒体 |
CN1606382A (zh) * | 2003-07-31 | 2005-04-13 | 索尼株式会社 | 通信装置 |
CN101203063A (zh) * | 2007-12-19 | 2008-06-18 | 北京中星微电子有限公司 | 麦克风阵列的噪声消除方法及装置 |
CN201392254Y (zh) * | 2009-04-02 | 2010-01-27 | 潘毅强 | 声波防溢出测温装置 |
CN103702258A (zh) * | 2013-12-27 | 2014-04-02 | 深圳泰山在线科技有限公司 | 麦克风装置及消除近场声源干扰的麦克风设置方法 |
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Denomination of invention: Ship anti-environmental-noise and anti-howling microphone circuit Effective date of registration: 20181015 Granted publication date: 20171124 Pledgee: Nantong Productivity Promotion Center Pledgor: JIANGSU GULF ELECTRICAL TECHNOLOGY CO., LTD. Registration number: 2018980000188 |
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Date of cancellation: 20211202 Granted publication date: 20171124 Pledgee: Nantong Productivity Promotion Center Pledgor: JIANGSU GULF ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: 2018980000188 |
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Denomination of invention: Marine anti ambient noise and anti whistling microphone circuit Effective date of registration: 20211216 Granted publication date: 20171124 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: JIANGSU GULF ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021980015334 |
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