Patent · US Expired

Elevator system

US4084661A · kind A · utility

7Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 1974
Grant dateApr 18, 1978
Priority date
Expiry dateMay 7, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB66B1/20
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

An elevator system, and method of operating same, including a plurality of elevator cars mounted in a building to serve the floors therein. A system processor, having instructions stored in a memory, responds to predetermined system information to provide output signals for controlling the movement of the elevator cars. Predetermined lobby functions, such as quota control of elevator cars at the floor and dispatching therefrom, are provided by the instructions for a floor identified in the instructions. The floor for which such lobby functions are performed is changed in response to predetermined conditions, to any selected floor of the building, by means which changes the number of the identified floor in the associated instructions.

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