CN114347699B - 一种借助磁粉进行书写的黑板设备 - Google Patents
一种借助磁粉进行书写的黑板设备 Download PDFInfo
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- CN114347699B CN114347699B CN202210031585.8A CN202210031585A CN114347699B CN 114347699 B CN114347699 B CN 114347699B CN 202210031585 A CN202210031585 A CN 202210031585A CN 114347699 B CN114347699 B CN 114347699B
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- CN
- China
- Prior art keywords
- magnetic powder
- writing
- plastic plate
- frame
- blackboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/045—Blackboards with magnetic action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
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- Drawing Aids And Blackboards (AREA)
Abstract
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Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210031585.8A CN114347699B (zh) | 2022-01-12 | 2022-01-12 | 一种借助磁粉进行书写的黑板设备 |
Applications Claiming Priority (1)
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CN202210031585.8A CN114347699B (zh) | 2022-01-12 | 2022-01-12 | 一种借助磁粉进行书写的黑板设备 |
Publications (2)
Publication Number | Publication Date |
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CN114347699A CN114347699A (zh) | 2022-04-15 |
CN114347699B true CN114347699B (zh) | 2023-04-25 |
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Family Applications (1)
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CN202210031585.8A Active CN114347699B (zh) | 2022-01-12 | 2022-01-12 | 一种借助磁粉进行书写的黑板设备 |
Country Status (1)
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CN (1) | CN114347699B (zh) |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11309987A (ja) * | 1998-04-28 | 1999-11-09 | Mg:Kk | 磁気泳動表示パネルの消去装置 |
JP3587435B2 (ja) * | 1998-10-16 | 2004-11-10 | 株式会社タカラ | 表示パネル |
CN2361479Y (zh) * | 1999-02-10 | 2000-02-02 | 冯彪 | 无尘黑板 |
JP2003246190A (ja) * | 2002-02-27 | 2003-09-02 | Chemitec Kk | ハニカム型磁気表示板を用いる記録方法 |
KR100510896B1 (ko) * | 2003-01-10 | 2005-08-31 | 최창식 | 전자동 흑판 지우개 털이기 |
KR20120035170A (ko) * | 2012-02-07 | 2012-04-13 | 주식회사 나노브릭 | 자기 표시 소자 구조 및 장치 |
CN206277838U (zh) * | 2016-10-18 | 2017-06-27 | 毛超 | 一种自动化磁性黑板装置 |
CN209126379U (zh) * | 2018-09-03 | 2019-07-19 | 深圳市宝安区沙井街道黄埔小学 | 一种多功能磁性字迹黑板 |
CN211000672U (zh) * | 2018-12-24 | 2020-07-14 | 湖南城市学院 | 一种新型的电动黑板擦 |
CN110328988A (zh) * | 2019-08-13 | 2019-10-15 | 威士达半导体科技(张家港)有限公司 | 磁性书写板组件及会议用书写装置 |
CN210759973U (zh) * | 2019-09-11 | 2020-06-16 | 阳光学院 | 一种可吸粉笔灰的黑板擦 |
CN112606599B (zh) * | 2020-12-28 | 2022-07-22 | 山东金太阳教育集团有限公司 | 一种基于离心力的教学用吸尘型黑板擦 |
CN112918161B (zh) * | 2021-03-18 | 2022-04-12 | 毛一非 | 一种磁性书写板及其控制方法 |
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- 2022-01-12 CN CN202210031585.8A patent/CN114347699B/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230406 Address after: Room 102, Building 30, Hexikou New Village, Qingfangcheng Community, Datang Street, Zhuji City, Shaoxing City, Zhejiang Province, 311800 Applicant after: Zhuji Tianshuo Trading Co.,Ltd. Address before: 311800 Puyang Road, Jiyang street, Zhuji, Shaoxing, Zhejiang, 77 Applicant before: JIYANG COLLEGE OF ZHEJIANG A&F University |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force 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 blackboard device for writing with the help of magnetic powder Effective date of registration: 20230506 Granted publication date: 20230425 Pledgee: Shaoxing Bank Co.,Ltd. Zhuji sub branch Pledgor: Zhuji Tianshuo Trading Co.,Ltd. Registration number: Y2023980039898 |