Elevator control system
US4147235A · kind A · utility
11Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1977 |
| Grant date | Apr 3, 1979 |
| Priority date | — |
| Expiry date | Jul 1, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B1/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus including auxiliary hall call registration means and selection means which cooperate with an elevator control system operating a plurality of cars in a predetermined manner in response to primary hall calls and car calls registered for a plurality of landings to select a car signified as closest to a landing for which an auxiliary hall call is registered and to cause the control system to operate the selected car in a manner in which it travels to and stops at the landing for which the auxiliary hall call is registered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.