Patent · US Expired

Method and system of controlling elevators and method and apparatus of inputting requests to the control system

US5307903A · kind A · utility

25Cited by
2References
70Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 26, 1989
Grant dateMay 3, 1994
Priority date
Expiry dateJan 26, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B2201/403
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Elevator group supervisory control method and system for group supervisory control of a plurality of elevators serving a plurality of floors. The method and apparatus of the invention permits the inputting of qualitative requests (guidance), from the user, concerning elevator operation into the group supervisory control system. Qualitative requests concerning elevator operation are set in the form of guidance (or request) targets. The thus set request, targets are converted into control targets for the elevators. Actual group supervisory control is executed using the control targets.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.