CN107071678A - 一种扩声用折叠式号筒 - Google Patents
一种扩声用折叠式号筒 Download PDFInfo
- Publication number
- CN107071678A CN107071678A CN201710038972.3A CN201710038972A CN107071678A CN 107071678 A CN107071678 A CN 107071678A CN 201710038972 A CN201710038972 A CN 201710038972A CN 107071678 A CN107071678 A CN 107071678A
- Authority
- CN
- China
- Prior art keywords
- trunnion
- bugle
- center line
- public address
- horn
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710038972.3A CN107071678B (zh) | 2017-01-19 | 2017-01-19 | 一种扩声用折叠式号筒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710038972.3A CN107071678B (zh) | 2017-01-19 | 2017-01-19 | 一种扩声用折叠式号筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107071678A true CN107071678A (zh) | 2017-08-18 |
CN107071678B CN107071678B (zh) | 2023-05-16 |
Family
ID=59598386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710038972.3A Active CN107071678B (zh) | 2017-01-19 | 2017-01-19 | 一种扩声用折叠式号筒 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107071678B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0678389A (ja) * | 1992-08-25 | 1994-03-18 | Toa Corp | スロート具 |
US7177437B1 (en) * | 2001-10-19 | 2007-02-13 | Duckworth Holding, Llc C/O Osc Audio Products, Inc. | Multiple aperture diffraction device |
CN201345724Y (zh) * | 2009-01-16 | 2009-11-11 | 斯贝克电子(嘉善)有限公司 | 号角 |
CN203136135U (zh) * | 2013-03-29 | 2013-08-14 | 张祥奎 | 一种扩声用植入相位塞式高音号角 |
CN205491111U (zh) * | 2016-01-14 | 2016-08-17 | 广州市声讯电子科技有限公司 | 一种高清远程强声器 |
-
2017
- 2017-01-19 CN CN201710038972.3A patent/CN107071678B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0678389A (ja) * | 1992-08-25 | 1994-03-18 | Toa Corp | スロート具 |
US7177437B1 (en) * | 2001-10-19 | 2007-02-13 | Duckworth Holding, Llc C/O Osc Audio Products, Inc. | Multiple aperture diffraction device |
CN201345724Y (zh) * | 2009-01-16 | 2009-11-11 | 斯贝克电子(嘉善)有限公司 | 号角 |
CN203136135U (zh) * | 2013-03-29 | 2013-08-14 | 张祥奎 | 一种扩声用植入相位塞式高音号角 |
CN205491111U (zh) * | 2016-01-14 | 2016-08-17 | 广州市声讯电子科技有限公司 | 一种高清远程强声器 |
Also Published As
Publication number | Publication date |
---|---|
CN107071678B (zh) | 2023-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Joseph et al. | Near field zones of quiet | |
US8467551B2 (en) | Vehicular directional microphone assembly for preventing airflow encounter | |
JPWO2009078146A1 (ja) | 騒音低減装置および騒音低減システム | |
US11919452B2 (en) | Soundboard panel assembly for vehicle surfaces | |
US11627394B2 (en) | Loudspeaker assembly for providing audio external to a vehicle | |
CN206611582U (zh) | 一种扩声用折叠式号筒 | |
CN206611580U (zh) | 一种扩声用折叠式号筒 | |
EP1236375A2 (de) | Flachlautsprecheranordnung für tieftonwiedergabe | |
CN206611581U (zh) | 一种扩声用折叠式号筒 | |
CN108632720A (zh) | 一种单腔体三明治式汽车低音炮 | |
US7965847B2 (en) | Speaker system | |
CN106792410A (zh) | 一种扩声用折叠式号筒 | |
WO2007115992A2 (en) | Piezoelectric loudspeaker | |
US20070064964A1 (en) | Flat panel speaker assembly | |
CN107071678A (zh) | 一种扩声用折叠式号筒 | |
CN207022208U (zh) | 一种扩声用折叠式号筒 | |
CN106792409A (zh) | 一种扩声用折叠式号筒 | |
CN106792408A (zh) | 一种扩声用折叠式号筒 | |
US7191022B1 (en) | Public addressing system | |
US11044553B2 (en) | Two-way quasi point-source wide-dispersion speaker | |
CN104780492B (zh) | 一种扩声用组合式号筒 | |
CN202907156U (zh) | 全向声音传播扬声器 | |
CN206948585U (zh) | 定向扬声器系统 | |
Son | Uniform array with broadband beamforming for arbitrary beam patterns | |
CN110006521A (zh) | 水听器安装装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20171226 Address after: 518000 Guangdong city of Shenzhen province Luohu District Peng Xing Garden 2 building 103 Applicant after: Zhang Xiangkui Address before: 518000 Guangdong city of Shenzhen province Luohu District Peng Xing Garden 2 building 103 Applicant before: Jia Qunxiang |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230406 Address after: 518100, two, wok 2, Wulian community, Longgang street, Longgang District, Shenzhen, Guangdong Applicant after: Shenzhen abbio audio-visual technology Co.,Ltd. Address before: 518000 Guangdong Province Shenzhen Luohu District Pengxing Garden 2 103 Applicant before: Zhang Xiangkui |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |