Elevator position compensation system
US5747755A · kind A · utility
13Cited by
17References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1995 |
| Grant date | May 5, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/41136
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An elevator car position compensator includes a compensated position signal generator which, via a closed-loop feed-back arrangement, adjusts a true position signal by using a signal related to dynamic slip and stretch of the hoist ropes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.