Elevator system
US4032882A · kind A · utility
17Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1976 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Feb 17, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B3/023
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An elevator system including an elevator car mounted for movement in a building to serve the floors therein. The elevator system includes control apparatus for selecting the service direction in which the elevator car will proceed from a floor it is serving. A display having an array of electrically energizable elements visually indicates the selected up or down service direction by sequentially energizing the elements to provide a predetermined pattern which moves upwardly, or downwardly, through the array, or which causes a predetermined pattern to lengthen in the upward, or downward direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.