CN105245986A - 一种授课音量调节工具 - Google Patents
一种授课音量调节工具 Download PDFInfo
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- CN105245986A CN105245986A CN201510746494.2A CN201510746494A CN105245986A CN 105245986 A CN105245986 A CN 105245986A CN 201510746494 A CN201510746494 A CN 201510746494A CN 105245986 A CN105245986 A CN 105245986A
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- 230000001105 regulatory effect Effects 0.000 title abstract 8
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims description 59
- 230000001154 acute effect Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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CN201510746494.2A CN105245986B (zh) | 2015-11-01 | 2015-11-01 | 一种授课音量调节工具 |
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CN201510746494.2A CN105245986B (zh) | 2015-11-01 | 2015-11-01 | 一种授课音量调节工具 |
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CN105245986A true CN105245986A (zh) | 2016-01-13 |
CN105245986B CN105245986B (zh) | 2018-01-05 |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5469505A (en) * | 1992-07-08 | 1995-11-21 | Acs Wireless, Inc. | Communications headset having a ball joint-mounted receiver assembly |
CN2327138Y (zh) * | 1997-11-12 | 1999-06-30 | 许志铭 | 头戴式麦克风 |
WO2003071829A1 (en) * | 2002-02-21 | 2003-08-28 | Add Eleco. Inc. | Rapidly optimized wireless microphone system and method for controlling thereof |
CN1695401A (zh) * | 2002-08-14 | 2005-11-09 | 高斯公司 | 个人佩带式通信及扬声器系统 |
CN2874965Y (zh) * | 2005-11-24 | 2007-02-28 | 吴英瑞 | 麦克风软道管 |
CN201018641Y (zh) * | 2007-03-06 | 2008-02-06 | 廖子淼 | 可伸缩式台式话筒 |
CN201222795Y (zh) * | 2008-05-30 | 2009-04-15 | 恩沛音响设备(上海)有限公司 | 一种麦克风的减震装置 |
CN102423995A (zh) * | 2011-01-06 | 2012-04-25 | 周立新 | 辅助轮及配套使用的锁定与解锁工具 |
CN203120108U (zh) * | 2012-12-25 | 2013-08-07 | 歌尔声学股份有限公司 | 一种头戴式麦克风 |
CN204334887U (zh) * | 2015-01-28 | 2015-05-13 | 张畅 | 法律课堂讲课用扩音器 |
CN205490997U (zh) * | 2015-11-01 | 2016-08-17 | 于晓慧 | 一种授课音量调节工具 |
-
2015
- 2015-11-01 CN CN201510746494.2A patent/CN105245986B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5469505A (en) * | 1992-07-08 | 1995-11-21 | Acs Wireless, Inc. | Communications headset having a ball joint-mounted receiver assembly |
CN2327138Y (zh) * | 1997-11-12 | 1999-06-30 | 许志铭 | 头戴式麦克风 |
WO2003071829A1 (en) * | 2002-02-21 | 2003-08-28 | Add Eleco. Inc. | Rapidly optimized wireless microphone system and method for controlling thereof |
CN1695401A (zh) * | 2002-08-14 | 2005-11-09 | 高斯公司 | 个人佩带式通信及扬声器系统 |
CN2874965Y (zh) * | 2005-11-24 | 2007-02-28 | 吴英瑞 | 麦克风软道管 |
CN201018641Y (zh) * | 2007-03-06 | 2008-02-06 | 廖子淼 | 可伸缩式台式话筒 |
CN201222795Y (zh) * | 2008-05-30 | 2009-04-15 | 恩沛音响设备(上海)有限公司 | 一种麦克风的减震装置 |
CN102423995A (zh) * | 2011-01-06 | 2012-04-25 | 周立新 | 辅助轮及配套使用的锁定与解锁工具 |
CN203120108U (zh) * | 2012-12-25 | 2013-08-07 | 歌尔声学股份有限公司 | 一种头戴式麦克风 |
CN204334887U (zh) * | 2015-01-28 | 2015-05-13 | 张畅 | 法律课堂讲课用扩音器 |
CN205490997U (zh) * | 2015-11-01 | 2016-08-17 | 于晓慧 | 一种授课音量调节工具 |
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CN105245986B (zh) | 2018-01-05 |
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Effective date of registration: 20191223 Address after: 313000 No. 333 Liji East Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Patentee after: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 030051 School of mechanical and power engineering, North Central University, Shanxi, Taiyuan Patentee before: Yu Xiaohui |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A teaching volume adjustment tool Effective date of registration: 20230413 Granted publication date: 20180105 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180105 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023110000157 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A teaching volume adjustment tool Granted publication date: 20180105 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980013322 |
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