CN203279143U - 一种主动式降噪全频音响 - Google Patents
一种主动式降噪全频音响 Download PDFInfo
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- CN203279143U CN203279143U CN 201320187160 CN201320187160U CN203279143U CN 203279143 U CN203279143 U CN 203279143U CN 201320187160 CN201320187160 CN 201320187160 CN 201320187160 U CN201320187160 U CN 201320187160U CN 203279143 U CN203279143 U CN 203279143U
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- sound device
- sound
- noise reduction
- loudspeaker
- sucker
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CN 201320187160 CN203279143U (zh) | 2013-04-15 | 2013-04-15 | 一种主动式降噪全频音响 |
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CN 201320187160 CN203279143U (zh) | 2013-04-15 | 2013-04-15 | 一种主动式降噪全频音响 |
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CN203279143U true CN203279143U (zh) | 2013-11-06 |
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CN 201320187160 Expired - Fee Related CN203279143U (zh) | 2013-04-15 | 2013-04-15 | 一种主动式降噪全频音响 |
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CN (1) | CN203279143U (zh) |
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2013
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGXI DONGYI INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGXI ZHIYUN IT CO., LTD. Effective date: 20140527 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140527 Address after: 330026, room 3, building 331, Oscar building, Yangming East Road, East Lake District, Jiangxi, Nanchang Patentee after: Jiangxi Dongyi Information Technology Co. Ltd. Address before: 330026 Jiangxi Province, Nanchang Qingshan Lake National Road Star apartment building 1 unit 3 Room 201 Patentee before: Jiangxi Zhi Yun IT Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150415 |
|
EXPY | Termination of patent right or utility model |