The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2009
Filed:
Aug. 31, 2004
Shiro Hikita, Tokyo, JP;
Sakurako Tokura, Tokyo, JP;
Shiro Hikita, Tokyo, JP;
Sakurako Tokura, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object of the present invention to provide a control apparatus for a one-shaft multi-car system elevator in which a plurality of cars operate in one shaft, the control device being capable of efficient group control while avoiding collisions and minimizing the occurrence of confinement of passengers. The control apparatus includes approaching direction traveling prohibiting meansD for prohibiting the cars from traveling in a direction in which the cars approach each other in the same shaft, and door open standing-by meansE for causing the car to stand by with its doors open if the car is prohibited by the approaching direction traveling prohibiting means from traveling and if any passenger is present in the car.