CN2694423Y - 气动发声器 - Google Patents
气动发声器 Download PDFInfo
- Publication number
- CN2694423Y CN2694423Y CN 200420026347 CN200420026347U CN2694423Y CN 2694423 Y CN2694423 Y CN 2694423Y CN 200420026347 CN200420026347 CN 200420026347 CN 200420026347 U CN200420026347 U CN 200420026347U CN 2694423 Y CN2694423 Y CN 2694423Y
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- 238000001914 filtration Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract 3
- 239000000463 material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
频率 | 总声压级 |
200Hz | 154.8dB-155.9 dB |
160Hz | 153.8dB-154.2dB |
125Hz | 152.5dB-153.9dB |
250Hz | 152.5dB-153.8dB |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200420026347 CN2694423Y (zh) | 2004-04-16 | 2004-04-16 | 气动发声器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200420026347 CN2694423Y (zh) | 2004-04-16 | 2004-04-16 | 气动发声器 |
Publications (1)
Publication Number | Publication Date |
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CN2694423Y true CN2694423Y (zh) | 2005-04-20 |
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CN 200420026347 Expired - Lifetime CN2694423Y (zh) | 2004-04-16 | 2004-04-16 | 气动发声器 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104344883A (zh) * | 2013-07-26 | 2015-02-11 | 北京强度环境研究所 | 单路矩形行波管 |
CN104992700A (zh) * | 2015-07-08 | 2015-10-21 | 南京常荣声学股份有限公司 | 一种气动发声器及其控制系统 |
CN107150004A (zh) * | 2017-06-27 | 2017-09-12 | 南京常荣声学股份有限公司 | 一种声波雾化装置 |
CN109410910A (zh) * | 2018-11-30 | 2019-03-01 | 南京常荣声学股份有限公司 | 一种大功率宽频带气动发声装置 |
CN115604641A (zh) * | 2022-11-08 | 2023-01-13 | 荣耀终端有限公司(Cn) | 一种音频检测方法及音频测试设备 |
-
2004
- 2004-04-16 CN CN 200420026347 patent/CN2694423Y/zh not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104344883A (zh) * | 2013-07-26 | 2015-02-11 | 北京强度环境研究所 | 单路矩形行波管 |
CN104992700A (zh) * | 2015-07-08 | 2015-10-21 | 南京常荣声学股份有限公司 | 一种气动发声器及其控制系统 |
CN104992700B (zh) * | 2015-07-08 | 2016-03-09 | 南京常荣声学股份有限公司 | 一种气动发声器及其控制系统 |
WO2017004913A1 (zh) * | 2015-07-08 | 2017-01-12 | 南京常荣声学股份有限公司 | 一种气动发声器及其控制系统 |
US10134376B2 (en) | 2015-07-08 | 2018-11-20 | Nanjing Changrong Acoustic Inc. | Pneumatic sounder and control system thereof |
CN107150004A (zh) * | 2017-06-27 | 2017-09-12 | 南京常荣声学股份有限公司 | 一种声波雾化装置 |
CN107150004B (zh) * | 2017-06-27 | 2024-02-06 | 南京常荣声学股份有限公司 | 一种声波雾化装置 |
CN109410910A (zh) * | 2018-11-30 | 2019-03-01 | 南京常荣声学股份有限公司 | 一种大功率宽频带气动发声装置 |
CN115604641A (zh) * | 2022-11-08 | 2023-01-13 | 荣耀终端有限公司(Cn) | 一种音频检测方法及音频测试设备 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NANJING CHANGRONG NOISE CONTROL ENVIRONMENTAL ENG Free format text: FORMER OWNER: ZHANG RONGCHU Effective date: 20060217 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060217 Address after: Zhongshan Road Huijie square No. 268 Nanjing, Jiangsu province 210008 room 1309 Patentee after: Changrong Environmental & Acousitc Engineering Co., Ltd. Address before: 210018, room 117, 3205 Cheng Yin Street, Xuanwu District, Jiangsu, Nanjing Patentee before: Zhang Rongchu |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20140416 Granted publication date: 20050420 |