Title:
ELECTRONIC BLACKBOARD
Document Type and Number:
Japanese Patent JP3229037
Kind Code:
B2
Abstract:
PURPOSE: To decrease the weight of an electronic blackboard and to reduce a cost.
CONSTITUTION: Supporting members 17, 18 are directly mounted on a cabinet 10, respectively, and both terminals of a fluorescent lamp 19 and a mirror 20 are supported independently, respectively with the supporting members 17, 18. Also, one terminal 12a of an optical frame 12 is fixed at the side terminal of the cabinet 10 placing the optical frame in a lateral direction. A supporting shaft 13 is provided protrusively in a length direction at the other terminal of the frame, and the supporting shaft 13 can be supported in the length direction with a bracket 14 mounted on the cabinet 10 movably freely. A lens 16 and a photoelectric conversion element 15 are arranged in the length direction at the optical frame 12 by arranging sequentially.
Inventors:
Yasuhiro Mizuno
Application Number:
JP27507392A
Publication Date:
November 12, 2001
Filing Date:
September 18, 1992
Export Citation:
Assignee:
株式会社リコー
International Classes:
B43L1/04; H04N1/00; (IPC1-7): H04N1/00; B43L1/04
Domestic Patent References:
| JP62162081U |
Attorney, Agent or Firm:
Shunsuke Nakao
Previous Patent: 角材だけで布が固定される刺繍枠＆刺繍台
Next Patent: MOLDED ARTICLE CONTAINING CRUSHED MOLDING FLASH AND MOLDING SCRAP
Next Patent: MOLDED ARTICLE CONTAINING CRUSHED MOLDING FLASH AND MOLDING SCRAP