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Patent Searching and Data


Title:
MULTIPLICATION LEARNING BOARD
Document Type and Number:
Japanese Patent JPH04280285
Kind Code:
A
Abstract:

PURPOSE: To obtain an easy-to-operate multiplication learning board.

CONSTITUTION: A multiplication learning board 21 is so mounted as to be freely detachable from the face wall of a desktop front end shelf having a lighting fixture. The board 21 has a key operation section 25, a liquid crystal display section 26 and a light receiving section for a solar battery 27 at the front of a board body 23. In addition, each press key 24 showing a separate multiplication table is provided at the key operation section 25. When the key 24 is pressed to operate the board 21, an answer corresponding to a displayed multiplication is shown on the liquid crystal display section 26. The liquid crystal display section 26 and the like are supplied with power from the solar battery 27.


Inventors:
SAKAMOTO CHUYA
YAMAGUCHI TSUTOMU
Application Number:
JP6870991A
Publication Date:
October 06, 1992
Filing Date:
March 08, 1991
Export Citation:
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Assignee:
ITOKI CREBIO CORP
International Classes:
G09B7/02; G09B19/02; (IPC1-7): G09B7/02; G09B19/02
Attorney, Agent or Firm:
Shigeaki Yoshida (2 outside)