CN209089218U - 一种具有微型平板换能器振膜结构扬声器的耳塞 - Google Patents
一种具有微型平板换能器振膜结构扬声器的耳塞 Download PDFInfo
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- CN209089218U CN209089218U CN201821522702.6U CN201821522702U CN209089218U CN 209089218 U CN209089218 U CN 209089218U CN 201821522702 U CN201821522702 U CN 201821522702U CN 209089218 U CN209089218 U CN 209089218U
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- vibrating diaphragm
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- loudspeaker
- earplug
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CN201821522702.6U CN209089218U (zh) | 2018-09-18 | 2018-09-18 | 一种具有微型平板换能器振膜结构扬声器的耳塞 |
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CN201821522702.6U CN209089218U (zh) | 2018-09-18 | 2018-09-18 | 一种具有微型平板换能器振膜结构扬声器的耳塞 |
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Effective date of registration: 20210303 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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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. |
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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. |