CN209017301U - 一种等磁式扬声器 - Google Patents
一种等磁式扬声器 Download PDFInfo
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- CN209017301U CN209017301U CN201821870086.3U CN201821870086U CN209017301U CN 209017301 U CN209017301 U CN 209017301U CN 201821870086 U CN201821870086 U CN 201821870086U CN 209017301 U CN209017301 U CN 209017301U
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- vibrating diaphragm
- neodymium iron
- permanent magnet
- ferrite lattice
- magnet array
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CN201821870086.3U CN209017301U (zh) | 2018-11-14 | 2018-11-14 | 一种等磁式扬声器 |
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CN201821870086.3U CN209017301U (zh) | 2018-11-14 | 2018-11-14 | 一种等磁式扬声器 |
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CN209017301U true CN209017301U (zh) | 2019-06-21 |
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CN201821870086.3U Active CN209017301U (zh) | 2018-11-14 | 2018-11-14 | 一种等磁式扬声器 |
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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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210309 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, Xiqing District, Tianjin Patentee before: HIFIMAN (TIANJIN) TECHNOLOGY Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
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. |