| 摘要 |
PROBLEM TO BE SOLVED: To provide convenience and safety for a user without requiring cost for installation, by having the advertisement function and the emergency coping function on an elevator door of being not effectively utilized by having only the function of a door of an elevator. SOLUTION: An advertisement device superior in the visibility effect is provided by reproducing a picture by a picture reproducing device 8 by using a picture projection device 7 such as a projector, by arranging a screen 2 and a loudspeaker 3 on the door 1 of the elevator, and is also connected to an information center via an Internet radio and cable transceiver, to receive delivery of picture and voice information, and to transmit a picture of a crime preventive camera 9. COPYRIGHT: (C)2011,JPO&INPIT
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