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:
Mar. 23, 2004
Filed:
Jan. 29, 2002
Applicant:
Inventor:
Shoji Nakai, Hachioji, JP;
Assignee:
Toshiba Elevator Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B66B 1/18 ;
U.S. Cl.
CPC ...
B66B 1/18 ;
Abstract
A control system for a group of elevators capable of forming a controlled group of elevators by connecting platform call input/output units and operation control units for each floor to each other via a transmission line system. Platform call input/output units and operation control units are connected to each other via transmission lines of every elevator. All of the operation control units and a group control unit are connected to each other via a transmission line, so that the platform call input/output units are disconnected from the group control unit.