Waiting time display for an elevator
US5789715A · kind A · utility
8Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1995 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Jul 13, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B3/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to a waiting time display (5) on a landing. The waiting time display (5) is active from the moment when the landing call button (6) is pressed to the moment when the call is reset. The waiting time display (5) receives from the group control unit (1) information about the order of magnitude of the waiting time and the rate of diminution of the order of magnitude of the waiting time, which is used by the waiting time display (5) to decrease the waiting time displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.