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MITSUBISHI ELEC. BLDG. TECHNO-SERV. CO., LTD.
Chiyoda-ku, JP
| MITSUBISHI ELEC. BLDG. TECHNO-SERV. CO., LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090114484 | DEVICE FOR CONTROLLED OPERATION OF ELEVATOR - In a control operation performed at the time of earthquake or strong wind, when a running elevator is stopped at the nearest floor, the natural frequency of the transverse vibration of a rope is prevented from resonating with the natural frequency of the building, and thereby the increase in transverse vibration of the rope is restrained. | 05-07-2009 |