CN203340259U - 耳罩及主动降噪耳机 - Google Patents
耳罩及主动降噪耳机 Download PDFInfo
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- CN203340259U CN203340259U CN2013203193064U CN201320319306U CN203340259U CN 203340259 U CN203340259 U CN 203340259U CN 2013203193064 U CN2013203193064 U CN 2013203193064U CN 201320319306 U CN201320319306 U CN 201320319306U CN 203340259 U CN203340259 U CN 203340259U
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CN2013203193064U CN203340259U (zh) | 2013-06-04 | 2013-06-04 | 耳罩及主动降噪耳机 |
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CN2013203193064U CN203340259U (zh) | 2013-06-04 | 2013-06-04 | 耳罩及主动降噪耳机 |
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CN203340259U true CN203340259U (zh) | 2013-12-11 |
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CN2013203193064U Expired - Lifetime CN203340259U (zh) | 2013-06-04 | 2013-06-04 | 耳罩及主动降噪耳机 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106507232A (zh) * | 2016-11-16 | 2017-03-15 | 上海精密计量测试研究所 | 一种航空飞机飞行员用中低频主动降噪耳机及头盔 |
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- 2013-06-04 CN CN2013203193064U patent/CN203340259U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106507232A (zh) * | 2016-11-16 | 2017-03-15 | 上海精密计量测试研究所 | 一种航空飞机飞行员用中低频主动降噪耳机及头盔 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: IFLYTEK CO., LTD. Free format text: FORMER NAME: ANHUI USTC IFLYTEK CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Wangjiang Road high tech Development Zone Hefei city Anhui province 230088 No. 666 Patentee after: IFLYTEK Co.,Ltd. Address before: Wangjiang Road high tech Development Zone Hefei city Anhui province 230088 No. 666 Patentee before: ANHUI USTC IFLYTEK Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: High tech Zone Hefei city Anhui province 230088 Wangjiang Road No. 666, building 1805, room 1807, Xunfei Patentee after: HEFEI USTC IFLYTEK CO.,LTD. Address before: Wangjiang Road high tech Development Zone Hefei city Anhui province 230088 No. 666 Patentee before: IFLYTEK Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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CX01 | Expiry of patent term |