CN201121371Y - Soundproofing inner wall surface - Google Patents
Soundproofing inner wall surface Download PDFInfo
- Publication number
- CN201121371Y CN201121371Y CNU2007200813040U CN200720081304U CN201121371Y CN 201121371 Y CN201121371 Y CN 201121371Y CN U2007200813040 U CNU2007200813040 U CN U2007200813040U CN 200720081304 U CN200720081304 U CN 200720081304U CN 201121371 Y CN201121371 Y CN 201121371Y
- Authority
- CN
- China
- Prior art keywords
- sound absorption
- wall surface
- metope
- noise
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200813040U CN201121371Y (en) | 2007-09-30 | 2007-09-30 | Soundproofing inner wall surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200813040U CN201121371Y (en) | 2007-09-30 | 2007-09-30 | Soundproofing inner wall surface |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201121371Y true CN201121371Y (en) | 2008-09-24 |
Family
ID=40008596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200813040U Expired - Fee Related CN201121371Y (en) | 2007-09-30 | 2007-09-30 | Soundproofing inner wall surface |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201121371Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334505A (en) * | 2013-07-15 | 2013-10-02 | 东南大学 | Broadband sound absorption wall body |
CN107401128A (en) * | 2017-09-14 | 2017-11-28 | 苏州大学 | Interference noise reducing device at the top of sound barrier |
-
2007
- 2007-09-30 CN CNU2007200813040U patent/CN201121371Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334505A (en) * | 2013-07-15 | 2013-10-02 | 东南大学 | Broadband sound absorption wall body |
CN103334505B (en) * | 2013-07-15 | 2015-05-06 | 东南大学 | Broadband sound absorption wall body |
CN107401128A (en) * | 2017-09-14 | 2017-11-28 | 苏州大学 | Interference noise reducing device at the top of sound barrier |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Zhengsheng Acoustic Technology Co., Ltd. Assignor: Sichuan Zhengsheng Environmental Protection Technology Co.,Ltd. Contract record no.: 2010510000069 Denomination of utility model: Soundproofing inner wall surface Granted publication date: 20080924 License type: Exclusive License Record date: 20100826 |
|
ASS | Succession or assignment of patent right |
Owner name: SICHUAN ZHENGSHENG ACOUSTIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHENGSHENG ENVIRONMENT PROTECTION SCI. + TECH. CO., LTD., SICHUAN Effective date: 20140227 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610041 CHENGDU, SICHUAN PROVINCE TO: 611130 CHENGDU, SICHUAN PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140227 Address after: Wenjiang District 611130 of Sichuan city of Chengdu province Chengdu Strait science and Technology Industry Development Park Haike Road West No. 57 Patentee after: Sichuan Zhengsheng Acoustic Technology Co., Ltd. Address before: 610041 No. 3 West tree road, Sichuan, Chengdu Patentee before: Sichuan Zhengsheng Environmental Protection Technology Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20150930 |
|
EXPY | Termination of patent right or utility model |