CN104867380A - 一种直角坐标系函数画图演示工具 - Google Patents
一种直角坐标系函数画图演示工具 Download PDFInfo
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- CN104867380A CN104867380A CN201510334787.XA CN201510334787A CN104867380A CN 104867380 A CN104867380 A CN 104867380A CN 201510334787 A CN201510334787 A CN 201510334787A CN 104867380 A CN104867380 A CN 104867380A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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CN201510334787.XA CN104867380B (zh) | 2015-06-17 | 2015-06-17 | 一种直角坐标系函数画图演示工具 |
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CN201510334787.XA CN104867380B (zh) | 2015-06-17 | 2015-06-17 | 一种直角坐标系函数画图演示工具 |
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CN104867380A true CN104867380A (zh) | 2015-08-26 |
CN104867380B CN104867380B (zh) | 2018-01-16 |
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CN201510334787.XA Expired - Fee Related CN104867380B (zh) | 2015-06-17 | 2015-06-17 | 一种直角坐标系函数画图演示工具 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111583762A (zh) * | 2020-06-16 | 2020-08-25 | 江西财经大学 | 一种微积分教学用斜率可视化教学装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2380405Y (zh) * | 1999-07-22 | 2000-05-31 | 郑淑春 | 多功能绘图工具 |
US6132217A (en) * | 1998-12-23 | 2000-10-17 | Dickson; Marilyn M. | Method and apparatus for teaching relationship of trigonometric functions between unit circle and rectangular coordinate system |
CN200993832Y (zh) * | 2006-11-30 | 2007-12-19 | 李炜 | 直角坐标系及函数学习演练板 |
CN202795828U (zh) * | 2012-10-11 | 2013-03-13 | 苏丽红 | 一种高等数学专用的函数极限演示教具 |
CN203250444U (zh) * | 2013-05-31 | 2013-10-23 | 哈尔滨学院 | 一种函数图像演示仪 |
CN203366602U (zh) * | 2013-08-08 | 2013-12-25 | 哈尔滨师范大学 | 平面几何演示教具 |
CN203511079U (zh) * | 2013-10-28 | 2014-04-02 | 湖北工业大学 | 一种多功能教学用尺规 |
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2015
- 2015-06-17 CN CN201510334787.XA patent/CN104867380B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6132217A (en) * | 1998-12-23 | 2000-10-17 | Dickson; Marilyn M. | Method and apparatus for teaching relationship of trigonometric functions between unit circle and rectangular coordinate system |
CN2380405Y (zh) * | 1999-07-22 | 2000-05-31 | 郑淑春 | 多功能绘图工具 |
CN200993832Y (zh) * | 2006-11-30 | 2007-12-19 | 李炜 | 直角坐标系及函数学习演练板 |
CN202795828U (zh) * | 2012-10-11 | 2013-03-13 | 苏丽红 | 一种高等数学专用的函数极限演示教具 |
CN203250444U (zh) * | 2013-05-31 | 2013-10-23 | 哈尔滨学院 | 一种函数图像演示仪 |
CN203366602U (zh) * | 2013-08-08 | 2013-12-25 | 哈尔滨师范大学 | 平面几何演示教具 |
CN203511079U (zh) * | 2013-10-28 | 2014-04-02 | 湖北工业大学 | 一种多功能教学用尺规 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111583762A (zh) * | 2020-06-16 | 2020-08-25 | 江西财经大学 | 一种微积分教学用斜率可视化教学装置 |
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CN104867380B (zh) | 2018-01-16 |
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Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhao Kequan Inventor before: Wang Ruoxu |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20171218 Address after: 236800 city of Bozhou province Anhui District South Tang Avenue South Applicant after: HOU XIAODONG Address before: 276000 Linyi No. 1 middle school north campus of Lanshan District, Linyi City, Shandong Applicant before: Wang Ruoxu |
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TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20180617 |
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CF01 | Termination of patent right due to non-payment of annual fee |