JPS571795A - Sheet winding type writing board device - Google Patents

Sheet winding type writing board device

Info

Publication number
JPS571795A
JPS571795A JP7545680A JP7545680A JPS571795A JP S571795 A JPS571795 A JP S571795A JP 7545680 A JP7545680 A JP 7545680A JP 7545680 A JP7545680 A JP 7545680A JP S571795 A JPS571795 A JP S571795A
Authority
JP
Japan
Prior art keywords
board device
writing board
winding type
sheet winding
type writing
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.)
Pending
Application number
JP7545680A
Other languages
Japanese (ja)
Inventor
Tomio Yoshida
Giichi Yamazoe
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.)
Nichigaku Co Ltd
Original Assignee
Nichigaku 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
Application filed by Nichigaku Co Ltd filed Critical Nichigaku Co Ltd
Priority to JP7545680A priority Critical patent/JPS571795A/en
Publication of JPS571795A publication Critical patent/JPS571795A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
JP7545680A 1980-06-06 1980-06-06 Sheet winding type writing board device Pending JPS571795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7545680A JPS571795A (en) 1980-06-06 1980-06-06 Sheet winding type writing board device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7545680A JPS571795A (en) 1980-06-06 1980-06-06 Sheet winding type writing board device

Publications (1)

Publication Number Publication Date
JPS571795A true JPS571795A (en) 1982-01-06

Family

ID=13576800

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7545680A Pending JPS571795A (en) 1980-06-06 1980-06-06 Sheet winding type writing board device

Country Status (1)

Country Link
JP (1) JPS571795A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171695A (en) * 1983-03-18 1984-09-28 沖電気工業株式会社 Electronic blackboard device
JPS59212070A (en) * 1983-05-18 1984-11-30 Oki Electric Ind Co Ltd Electronic blackboard device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134228A (en) * 1975-05-14 1976-11-20 Nichigaku Co Ltd Writing board device of sheet takeeup type

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134228A (en) * 1975-05-14 1976-11-20 Nichigaku Co Ltd Writing board device of sheet takeeup type

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171695A (en) * 1983-03-18 1984-09-28 沖電気工業株式会社 Electronic blackboard device
JPS6256000B2 (en) * 1983-03-18 1987-11-24 Oki Electric Ind Co Ltd
JPS59212070A (en) * 1983-05-18 1984-11-30 Oki Electric Ind Co Ltd Electronic blackboard device

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