Elevator system having microprocessor-based door operator
Information device of elevator
Signal transmission method and system in elevator equipment Patent #: 4872532
ApplicationNo. 406290 filed on 09/12/1989
US Classes:187/382, Shared by plural load supports187/391WITH MONITORING, SIGNALLING, AND INDICATING MEANS
ExaminersPrimary: Pellinen, A. D.
Assistant: Duncanson, W. E. Jr.
Attorney, Agent or Firm
International ClassB66B 001/18
Foreign Application Priority Data1988-09-20 JP
AbstractA control system for an elevator has a plurality of elevator information generation devices each of which has an information output unit which outputs elevator information to an elevator controller and also to at least one display controller which generates one or more on elevator displays. There are a plurality of display controllers, these are preferably connected to the information output units by a common transmission path. There may be a plurality of elevator controllers, when there are a plurality of elevator cabs, and those elevator controllers may all be connected to the common transmission path. There is then a supervisor controller for controlling the elevator controllers.