JPWO2021039182A1 - - Google Patents

Info

Publication number
JPWO2021039182A1
JPWO2021039182A1 JP2021542618A JP2021542618A JPWO2021039182A1 JP WO2021039182 A1 JPWO2021039182 A1 JP WO2021039182A1 JP 2021542618 A JP2021542618 A JP 2021542618A JP 2021542618 A JP2021542618 A JP 2021542618A JP WO2021039182 A1 JPWO2021039182 A1 JP WO2021039182A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021542618A
Other versions
JP7478449B2 (ja
JPWO2021039182A5 (ja
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
Application filed filed Critical
Publication of JPWO2021039182A1 publication Critical patent/JPWO2021039182A1/ja
Publication of JPWO2021039182A5 publication Critical patent/JPWO2021039182A5/ja
Application granted granted Critical
Publication of JP7478449B2 publication Critical patent/JP7478449B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • 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
    • 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
    • B43L1/10—Writing surfaces thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Drawing Aids And Blackboards (AREA)
JP2021542618A 2019-08-27 2020-07-16 筆記性スクリーン Active JP7478449B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019154408 2019-08-27
JP2019154408 2019-08-27
PCT/JP2020/027745 WO2021039182A1 (ja) 2019-08-27 2020-07-16 筆記性スクリーン

Publications (3)

Publication Number Publication Date
JPWO2021039182A1 true JPWO2021039182A1 (ja) 2021-03-04
JPWO2021039182A5 JPWO2021039182A5 (ja) 2022-08-26
JP7478449B2 JP7478449B2 (ja) 2024-05-07

Family

ID=74685871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021542618A Active JP7478449B2 (ja) 2019-08-27 2020-07-16 筆記性スクリーン

Country Status (4)

Country Link
US (1) US20220326595A1 (ja)
JP (1) JP7478449B2 (ja)
CN (1) CN114364545B (ja)
WO (1) WO2021039182A1 (ja)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473957A1 (fr) * 1979-08-22 1981-07-24 Rhone Poulenc Syst Film mate pour ardoises a effacement instantane
JPH11301174A (ja) * 1998-04-22 1999-11-02 Kyodo Printing Co Ltd ホワイトボード
KR100561485B1 (ko) 1999-11-04 2006-03-16 키모토 컴파니 리미티드 필기용 보오드/반사형 스크린 겸용 시트
US7595789B2 (en) * 2003-07-03 2009-09-29 Kimoto Co., Ltd. Transmission screen
JP2005258155A (ja) * 2004-03-12 2005-09-22 Dainippon Printing Co Ltd 透過型スクリーン用光拡散部材
JP4606133B2 (ja) * 2004-07-13 2011-01-05 三菱樹脂株式会社 筆記ボード／反射型スクリーン両用フィルムおよびこれを用いた兼用ボード
WO2010022342A2 (en) * 2008-08-22 2010-02-25 3M Innovative Properties Company Combination dry erase board/projection screen
JP2010084117A (ja) * 2008-09-05 2010-04-15 Nippon Shokubai Co Ltd 樹脂シートの製造方法及び樹脂シート
KR20100081583A (ko) * 2009-01-06 2010-07-15 민 전 분필이나 바이오 펜, 수성펜 또는 보드마카의 사용이 가능한 만능칠판의 제조를 위한 그 조성물 및 상기 조성물이 코팅되어지는 시트와 상기 시트에 코팅하는 방법.
JP5630055B2 (ja) * 2009-04-20 2014-11-26 大日本印刷株式会社 パターン印刷シート
JP2013210515A (ja) * 2012-03-30 2013-10-10 Panasonic Corp 映写用スクリーン及びこれを用いたホワイトボード装置
JP2013238705A (ja) * 2012-05-15 2013-11-28 Panasonic Corp 映写用スクリーンの製造方法及びこれを用いたホワイトボード装置
CN104139645B (zh) * 2014-08-04 2015-11-25 石家庄科达文教用品有限公司 烤漆书写板及其制备方法

Also Published As

Publication number Publication date
JP7478449B2 (ja) 2024-05-07
CN114364545A (zh) 2022-04-15
US20220326595A1 (en) 2022-10-13
CN114364545B (zh) 2023-11-28
WO2021039182A1 (ja) 2021-03-04

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