CN209120476U - 复合平板电声换能器 - Google Patents
复合平板电声换能器 Download PDFInfo
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- CN209120476U CN209120476U CN201822120540.XU CN201822120540U CN209120476U CN 209120476 U CN209120476 U CN 209120476U CN 201822120540 U CN201822120540 U CN 201822120540U CN 209120476 U CN209120476 U CN 209120476U
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- vibrating diaphragm
- magnet array
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CN201822120540.XU CN209120476U (zh) | 2018-12-18 | 2018-12-18 | 复合平板电声换能器 |
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CN201822120540.XU CN209120476U (zh) | 2018-12-18 | 2018-12-18 | 复合平板电声换能器 |
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CN209120476U true CN209120476U (zh) | 2019-07-16 |
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CN201822120540.XU Active CN209120476U (zh) | 2018-12-18 | 2018-12-18 | 复合平板电声换能器 |
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2018
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210310 Address after: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: HEAD-DIRECT (KUNSHAN) Co.,Ltd. Address before: Building b-824, No.5 Lanyuan Road, Huayuan Industrial Park, Binhai New Area, Tianjin 300450 Patentee before: HIFIMAN (TIANJIN) TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee before: Kunshan Haifeiman Technology Group Co.,Ltd. |
|
CP03 | Change of name, title or address |