CN204069314U - 改良的振膜结构 - Google Patents
改良的振膜结构 Download PDFInfo
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- CN204069314U CN204069314U CN201420391309.3U CN201420391309U CN204069314U CN 204069314 U CN204069314 U CN 204069314U CN 201420391309 U CN201420391309 U CN 201420391309U CN 204069314 U CN204069314 U CN 204069314U
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CN201420391309.3U CN204069314U (zh) | 2014-07-16 | 2014-07-16 | 改良的振膜结构 |
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CN201420391309.3U CN204069314U (zh) | 2014-07-16 | 2014-07-16 | 改良的振膜结构 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104796809A (zh) * | 2015-04-14 | 2015-07-22 | 苏州亿欧得电子有限公司 | 新型结构的受话器 |
CN110248288A (zh) * | 2019-06-11 | 2019-09-17 | 东莞泉声电子有限公司 | 复合喇叭膜片及其制作方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104796809A (zh) * | 2015-04-14 | 2015-07-22 | 苏州亿欧得电子有限公司 | 新型结构的受话器 |
CN110248288A (zh) * | 2019-06-11 | 2019-09-17 | 东莞泉声电子有限公司 | 复合喇叭膜片及其制作方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Improved vibrating diaphragm structure Effective date of registration: 20180118 Granted publication date: 20141231 Pledgee: Kingston Technology Company, Inc. Pledgor: Dongguan Transound Electronics Co., Ltd. Registration number: 2018990000059 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201224 Granted publication date: 20141231 Pledgee: Kingston Technology Corp. Pledgor: TRANSOUND ELECTRONICS Co.,Ltd. Registration number: 2018990000059 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |