| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems such as the inevitable erasion and reproduction of information displayed on information boards at every assembly. SOLUTION: The wall system includes: a plurality of sheets of the information boards, which can display various kinds of information in the wall-like extended state; a board supporting means 5 for retaining some part or the whole of the information boards in their open-extended state (o); and a board storing means for making the information boards wait in the cleared-off state (c), in which the information is concealed. COPYRIGHT: (C)2010,JPO&INPIT |
