CN203608352U - 电磁扬声器及其磁路结构 - Google Patents
电磁扬声器及其磁路结构 Download PDFInfo
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- CN203608352U CN203608352U CN201320674390.1U CN201320674390U CN203608352U CN 203608352 U CN203608352 U CN 203608352U CN 201320674390 U CN201320674390 U CN 201320674390U CN 203608352 U CN203608352 U CN 203608352U
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- magnet steel
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Application Number | Priority Date | Filing Date | Title |
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CN201320674390.1U CN203608352U (zh) | 2013-10-29 | 2013-10-29 | 电磁扬声器及其磁路结构 |
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CN201320674390.1U CN203608352U (zh) | 2013-10-29 | 2013-10-29 | 电磁扬声器及其磁路结构 |
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CN203608352U true CN203608352U (zh) | 2014-05-21 |
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CN201320674390.1U Expired - Fee Related CN203608352U (zh) | 2013-10-29 | 2013-10-29 | 电磁扬声器及其磁路结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4187923A4 (en) * | 2020-08-25 | 2024-01-24 | Huawei Technologies Co., Ltd. | ELECTROACOUSTIC TRANSDUCER, SPEAKER MODULE AND ELECTRONIC DEVICE |
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- 2013-10-29 CN CN201320674390.1U patent/CN203608352U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4187923A4 (en) * | 2020-08-25 | 2024-01-24 | Huawei Technologies Co., Ltd. | ELECTROACOUSTIC TRANSDUCER, SPEAKER MODULE AND ELECTRONIC DEVICE |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170515 Address after: Singapore, Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee after: AAC TECHNOLOGIES Pte. Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. Patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181112 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: AAC TECHNOLOGIES Pte. Ltd. Address before: Singapore, Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee before: AAC MICROTECH (CHANGZHOU) Co.,Ltd. Patentee before: AAC TECHNOLOGIES Pte. Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211029 |
|
CF01 | Termination of patent right due to non-payment of annual fee |