Title:
DISPLAY SYSTEM
Document Type and Number:
Japanese Patent JP2018184225
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a function which can supply electric power source to display machines installed on the doors, for solving the problem of the liquid crystal display board for an elevator and so on described in patent literature 1 in which power source must be supplied to the liquid crystal display board to ensure the power supply for displaying the operation state and so on.SOLUTION: The display system comprises display machines 3, 4 installed on opening/closing doors 1,2, power supply units 7, 8 to supply power source to the display machines 3, 4 from a power cable 11, and power receiving units 9, 10 to receive power source supplied from the power supply units 7, 8 in order to supply power source to the display machines 3, 4. The power source supplied from the power supply units 7, 8 is supplied to the display machines 3, 4 via the power receiving units 9, 10 when the doors 1, 2 are closed.SELECTED DRAWING: Figure 2
Inventors:
GUSHIKEN TAKAYA
Application Number:
JP2017085026A
Publication Date:
November 22, 2018
Filing Date:
April 24, 2017
Export Citation:
Assignee:
HITACHI BUILDING SYST CO LTD
International Classes:
B66B3/00; B66B1/34; B66B13/30
Attorney, Agent or Firm:
Shinto International Patent Office