JP6422800B2 - マグネットスクリーン装置 - Google Patents

マグネットスクリーン装置 Download PDF

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Publication number
JP6422800B2
JP6422800B2 JP2015047415A JP2015047415A JP6422800B2 JP 6422800 B2 JP6422800 B2 JP 6422800B2 JP 2015047415 A JP2015047415 A JP 2015047415A JP 2015047415 A JP2015047415 A JP 2015047415A JP 6422800 B2 JP6422800 B2 JP 6422800B2
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JP
Japan
Prior art keywords
screen
magnet
sheet
roll
screen device
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.)
Active
Application number
JP2015047415A
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English (en)
Japanese (ja)
Other versions
JP2016167025A (ja
JP2016167025A5 (enExample
Inventor
晃之 阿部
晃之 阿部
智幸 竹村
智幸 竹村
和治 関
和治 関
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Izumi Inc
Original Assignee
Izumi Cosmo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=56887760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP6422800(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Izumi Cosmo Co Ltd filed Critical Izumi Cosmo Co Ltd
Priority to JP2015047415A priority Critical patent/JP6422800B2/ja
Priority to US15/064,886 priority patent/US9690182B2/en
Publication of JP2016167025A publication Critical patent/JP2016167025A/ja
Publication of JP2016167025A5 publication Critical patent/JP2016167025A5/ja
Application granted granted Critical
Publication of JP6422800B2 publication Critical patent/JP6422800B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
    • G09F7/04—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by magnetic means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Drawing Aids And Blackboards (AREA)
JP2015047415A 2015-03-10 2015-03-10 マグネットスクリーン装置 Active JP6422800B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015047415A JP6422800B2 (ja) 2015-03-10 2015-03-10 マグネットスクリーン装置
US15/064,886 US9690182B2 (en) 2015-03-10 2016-03-09 Magnet screen device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015047415A JP6422800B2 (ja) 2015-03-10 2015-03-10 マグネットスクリーン装置

Publications (3)

Publication Number Publication Date
JP2016167025A JP2016167025A (ja) 2016-09-15
JP2016167025A5 JP2016167025A5 (enExample) 2018-02-15
JP6422800B2 true JP6422800B2 (ja) 2018-11-14

Family

ID=56887760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015047415A Active JP6422800B2 (ja) 2015-03-10 2015-03-10 マグネットスクリーン装置

Country Status (2)

Country Link
US (1) US9690182B2 (enExample)
JP (1) JP6422800B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11150549B2 (en) 2016-09-09 2021-10-19 Izumi-Cosmo Company, Limited Magnet screen device
JP6534144B2 (ja) * 2017-03-21 2019-06-26 株式会社近畿エデュケーションセンター マグネットスクリーン装置
KR102364129B1 (ko) * 2017-09-28 2022-02-16 엘지디스플레이 주식회사 연성 디스플레이 장치
CN109901356A (zh) * 2017-12-11 2019-06-18 深圳光峰科技股份有限公司 一种屏幕
JP7216274B2 (ja) * 2017-12-21 2023-02-01 泉株式会社 マグネットシートの巻取り装置とその立て掛け具
US10442647B2 (en) * 2017-12-21 2019-10-15 Izumi-Cosmo Co., Ltd. Magnet sheet winding device and propping tool thereof
JP7075234B2 (ja) * 2018-02-14 2022-05-25 泉株式会社 天吊式スクリーン装置
CN111999977B (zh) * 2020-08-29 2022-02-22 芜湖宏嘉科技有限公司 一种智能教学用折叠式硬质投屏幕布
US20240255840A1 (en) * 2023-01-31 2024-08-01 Yamaha Corporation Screen unit, method for assembling screen unit, and method for disassembling screen unit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62157022A (ja) * 1985-12-28 1987-07-13 Seizo Hayashiguchi 巻取り型スクリ−ン装置
US5353152A (en) * 1993-09-20 1994-10-04 Vutec Corporation Screen projection apparatus
SE519410C2 (sv) * 2000-05-19 2003-02-25 Expand Int Ab Arrangemang utnyttjande en magnetisk attraktionskraft
JP2011017957A (ja) 2009-07-10 2011-01-27 Izumi-Cosmo Co Ltd 折畳スクリーン
US9152032B2 (en) * 2010-02-23 2015-10-06 Qmotion Incorporated High efficiency motorized roller screen and method of operation
JP2013025213A (ja) * 2011-07-25 2013-02-04 Seiko Epson Corp スクリーン及びスクリーン装置
JP2014003551A (ja) 2012-06-20 2014-01-09 Fujitsu Ltd ネットワーク管理装置のアラームマスク設定方法
US9557632B2 (en) * 2012-10-30 2017-01-31 Milestone Av Technologies Llc Rolled projection screen
JP6207011B2 (ja) * 2013-08-28 2017-10-04 株式会社近畿エデュケーションセンター マグネットスクリーン
JP6370061B2 (ja) * 2014-02-28 2018-08-08 株式会社北島製作所 電子黒板装置及び電子黒板装置の使用方法
JP6140647B2 (ja) * 2014-05-20 2017-05-31 株式会社青井黒板製作所 黒板装置
JP3195909U (ja) * 2014-11-26 2015-02-12 日学株式会社 ケース一体型マグネットスクリーン

Also Published As

Publication number Publication date
US9690182B2 (en) 2017-06-27
US20160266481A1 (en) 2016-09-15
JP2016167025A (ja) 2016-09-15

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