Remote fail-safe control for elevator
US5817994A · kind A · utility
24Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1997 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Sep 8, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B2201/4653
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A remote control arrangement (and method) for generating a car command remotely, includes a wireless transmitter and a wireless receiver which is coupled to an elevator controller. The receiver is detachably connected to wiring which leads to the controller. After finishing use of the transmitter/receiver arrangement, elevator service personnel detaches the receiver from the elevator wiring leading to the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.