CN104436613A - 一种电动机械式发球器 - Google Patents
一种电动机械式发球器 Download PDFInfo
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- CN104436613A CN104436613A CN201410775304.5A CN201410775304A CN104436613A CN 104436613 A CN104436613 A CN 104436613A CN 201410775304 A CN201410775304 A CN 201410775304A CN 104436613 A CN104436613 A CN 104436613A
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- 241000237858 Gastropoda Species 0.000 claims description 32
- 230000001154 acute effect Effects 0.000 claims description 8
- 230000005520 electrodynamics Effects 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410775304.5A CN104436613B (zh) | 2014-12-16 | 2014-12-16 | 一种电动机械式发球器 |
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CN201410775304.5A CN104436613B (zh) | 2014-12-16 | 2014-12-16 | 一种电动机械式发球器 |
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CN104436613A true CN104436613A (zh) | 2015-03-25 |
CN104436613B CN104436613B (zh) | 2017-08-25 |
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CN201410775304.5A Expired - Fee Related CN104436613B (zh) | 2014-12-16 | 2014-12-16 | 一种电动机械式发球器 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5813391A (en) * | 1995-02-17 | 1998-09-29 | Johnson; Albert | Method and apparatus for pitching and lobbing balls |
CN2356715Y (zh) * | 1998-12-10 | 2000-01-05 | 刘彬 | 乒乓球训练机 |
CN2734278Y (zh) * | 2004-10-21 | 2005-10-19 | 林清云 | 乒乓球发球机 |
CN201299956Y (zh) * | 2008-11-18 | 2009-09-02 | 佳木斯大学 | 排球训练发射器 |
CN103611279A (zh) * | 2013-11-06 | 2014-03-05 | 梧州学院 | 一种乒乓球自动发球机 |
CN204352516U (zh) * | 2014-12-16 | 2015-05-27 | 曹玉升 | 一种电动机械式发球器 |
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2014
- 2014-12-16 CN CN201410775304.5A patent/CN104436613B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5813391A (en) * | 1995-02-17 | 1998-09-29 | Johnson; Albert | Method and apparatus for pitching and lobbing balls |
CN2356715Y (zh) * | 1998-12-10 | 2000-01-05 | 刘彬 | 乒乓球训练机 |
CN2734278Y (zh) * | 2004-10-21 | 2005-10-19 | 林清云 | 乒乓球发球机 |
CN201299956Y (zh) * | 2008-11-18 | 2009-09-02 | 佳木斯大学 | 排球训练发射器 |
CN103611279A (zh) * | 2013-11-06 | 2014-03-05 | 梧州学院 | 一种乒乓球自动发球机 |
CN204352516U (zh) * | 2014-12-16 | 2015-05-27 | 曹玉升 | 一种电动机械式发球器 |
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CN104436613B (zh) | 2017-08-25 |
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Inventor after: Liu Yanjia Inventor after: Wang Yanli Inventor after: Wang Yongxing Inventor after: Zhang Huili Inventor after: Zhu Jingzhi Inventor before: Li Na Inventor before: Pang Yajun Inventor before: Li Hua Inventor before: Liu Zhongwei Inventor before: Wei Deliang Inventor before: Liu Tianxiao Inventor before: Yu Xiutao Inventor before: Xu Wensheng Inventor before: Wu Chao Inventor before: Wang Shengyou |
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Effective date of registration: 20170801 Address after: Shangqiu City, Henan province 476000 Suiyang District Suiyang Middle Road No. 236 Applicant after: Shangqiu Institute of Technology Address before: 476000 Shangqiu New South Road, Henan, No. 277 Applicant before: Cao Long |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20181216 |
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CF01 | Termination of patent right due to non-payment of annual fee |