Title:
【考案の名称】電子黒板
Document Type and Number:
Japanese Patent JP2536887
Kind Code:
Y2
Inventors:
Yasuhiro Mizuno
Application Number:
JP8979091U
Publication Date:
May 28, 1997
Filing Date:
October 31, 1991
Export Citation:
Assignee:
株式会社リコー
International Classes:
B43L1/04; H04N1/00; (IPC1-7): B43L1/04
Domestic Patent References:
| JP63275260A |
Attorney, Agent or Firm:
Toru Kabayama (1 person outside)