JPS6430295U - - Google Patents

Info

Publication number

JPS6430295U

JPS6430295U JP12497387U JP12497387U JPS6430295U JP S6430295 U JPS6430295 U JP S6430295U JP 12497387 U JP12497387 U JP 12497387U JP 12497387 U JP12497387 U JP 12497387U JP S6430295 U JPS6430295 U JP S6430295U

Authority

JP

Japan

Prior art keywords

writing medium

screen

transparent auxiliary

electronic whiteboard

whiteboard device

Prior art date

1987-08-17

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000004804 winding Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1