Method of operating elevator
US5390765A · kind A · utility
1Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B1/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a program of running direction determination steps wherein the presence of a call signal, which is based on activation of floor call buttons provided in a cage of an elevator of hall buttons disposed at halls of respective floors, is repeatedly monitored so as to determine the running direction of the cage of the elevator. This program includes the cage running direction determination step of reversing the running direction of the cage with preference over any other call signal when a floor call in the rear of the cage has been registered anew while the cage is at rest at any of the halls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.