Title:
ELECTRONIC BLACKBOARD
Document Type and Number:
Japanese Patent JPS63130395
Kind Code:
A
Inventors:
YANAGISAWA RYOZO
Application Number:
JP27642386A
Publication Date:
June 02, 1988
Filing Date:
November 21, 1986
Export Citation:
Assignee:
CANON KK
International Classes:
B43L1/04; H04N1/00; (IPC1-7): B43L1/04; H04N1/00
Attorney, Agent or Firm:
Ryoichi Yamashita