CN203895107U - 钢琴键盘动作光电数字检测装置 - Google Patents
钢琴键盘动作光电数字检测装置 Download PDFInfo
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- CN203895107U CN203895107U CN201420309254.7U CN201420309254U CN203895107U CN 203895107 U CN203895107 U CN 203895107U CN 201420309254 U CN201420309254 U CN 201420309254U CN 203895107 U CN203895107 U CN 203895107U
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105679142A (zh) * | 2016-03-02 | 2016-06-15 | 大连佳音科技有限公司 | 一种自适应安装的钢琴演奏动作检测电路 |
CN106297750A (zh) * | 2016-01-19 | 2017-01-04 | 陈文斌 | 钢琴键盘数字信号输出系统 |
CN106952465A (zh) * | 2017-03-15 | 2017-07-14 | 上海承歌网络科技有限公司 | 一种钢琴琴键位移检测装置 |
CN108053817A (zh) * | 2017-10-27 | 2018-05-18 | 北京开心练教育科技有限公司 | 一种键盘乐器光感器及信号输出方法 |
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2014
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106297750A (zh) * | 2016-01-19 | 2017-01-04 | 陈文斌 | 钢琴键盘数字信号输出系统 |
CN105679142A (zh) * | 2016-03-02 | 2016-06-15 | 大连佳音科技有限公司 | 一种自适应安装的钢琴演奏动作检测电路 |
CN106952465A (zh) * | 2017-03-15 | 2017-07-14 | 上海承歌网络科技有限公司 | 一种钢琴琴键位移检测装置 |
CN108053817A (zh) * | 2017-10-27 | 2018-05-18 | 北京开心练教育科技有限公司 | 一种键盘乐器光感器及信号输出方法 |
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Owner name: SHANGHAI YUYIN EDUCATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: MA YANJUN Effective date: 20141128 |
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Free format text: CORRECT: ADDRESS; FROM: 201311 NANHUI, SHANGHAI TO: 200000 FENGXIAN, SHANGHAI |
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Effective date of registration: 20141128 Address after: 200000 Shanghai city Fengxian District Zhenping Road No. 855 four group building 8 Room 518 Patentee after: Shanghai fishing sound education technology Co.,Ltd. Address before: 201311, No. 325, station village, Shanghai Town, Nanhui District, China Patentee before: Ma Yanjun |
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Effective date of registration: 20211124 Address after: 350212 Dahe village, Hunan town, Changle District, Fuzhou City, Fujian Province Patentee after: FUJIAN HUAYU EDUCATION TECHNOLOGY Co.,Ltd. Address before: 200000 Room 518, building 8, No. 855, Pinghai Road, Situan Town, Fengxian District, Shanghai Patentee before: Shanghai fishing sound education technology Co.,Ltd. |
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