CN112423168B - 一种节能型教师用扬声器及其使用方法 - Google Patents
一种节能型教师用扬声器及其使用方法 Download PDFInfo
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- CN112423168B CN112423168B CN202011212348.9A CN202011212348A CN112423168B CN 112423168 B CN112423168 B CN 112423168B CN 202011212348 A CN202011212348 A CN 202011212348A CN 112423168 B CN112423168 B CN 112423168B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
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Abstract
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Priority Applications (1)
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CN202011212348.9A CN112423168B (zh) | 2020-11-03 | 2020-11-03 | 一种节能型教师用扬声器及其使用方法 |
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CN202011212348.9A CN112423168B (zh) | 2020-11-03 | 2020-11-03 | 一种节能型教师用扬声器及其使用方法 |
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CN112423168A CN112423168A (zh) | 2021-02-26 |
CN112423168B true CN112423168B (zh) | 2021-07-02 |
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CN202011212348.9A Active CN112423168B (zh) | 2020-11-03 | 2020-11-03 | 一种节能型教师用扬声器及其使用方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203167243U (zh) * | 2013-02-05 | 2013-08-28 | 郑健 | 一种可无线充电的听筒式蓝牙音响 |
CN203608359U (zh) * | 2013-11-26 | 2014-05-21 | 恩平市方格音响科技有限公司 | 一种便携式无线数码教学扩音系统装置 |
CN210349328U (zh) * | 2019-09-03 | 2020-04-17 | 仲恺农业工程学院 | 一种文学文本可调性声音采集装置 |
CN210781214U (zh) * | 2019-12-19 | 2020-06-16 | 广州市奥莉达电子有限公司 | 一种便捷式多功能音响 |
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2020
- 2020-11-03 CN CN202011212348.9A patent/CN112423168B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203167243U (zh) * | 2013-02-05 | 2013-08-28 | 郑健 | 一种可无线充电的听筒式蓝牙音响 |
CN203608359U (zh) * | 2013-11-26 | 2014-05-21 | 恩平市方格音响科技有限公司 | 一种便携式无线数码教学扩音系统装置 |
CN210349328U (zh) * | 2019-09-03 | 2020-04-17 | 仲恺农业工程学院 | 一种文学文本可调性声音采集装置 |
CN210781214U (zh) * | 2019-12-19 | 2020-06-16 | 广州市奥莉达电子有限公司 | 一种便捷式多功能音响 |
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CN112423168A (zh) | 2021-02-26 |
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
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CB02 | Change of applicant information |
Address after: Room 2006, 168 beiyixin Road, Guangzhou Avenue, Baiyun District, Guangzhou City, Guangdong Province, 510080 Applicant after: Cheng Dongdong Address before: 213001 3101, building 19, Fudu community, 93 Emeishan Road, Changzhou City, Jiangsu Province Applicant before: Cheng Dongdong |
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CB02 | Change of applicant information | ||
CB03 | Change of inventor or designer information |
Inventor after: Lai Xinmin Inventor before: Cheng Dongdong |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 315000 zone 2, floor 2, building 1, building 007, No. 1177, Lingyun Road, high tech Zone, Ningbo, Zhejiang Patentee after: NINGBO JIETI EDUCATION TECHNOLOGY Co.,Ltd. Address before: Room 2006, 168 beiyixin Road, Guangzhou Avenue, Baiyun District, Guangzhou City, Guangdong Province, 510080 Patentee before: Cheng Dongdong |
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