Method and apparatus for a scanning an elevator entry way
US7063189B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2003 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Jul 6, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S187/901
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lift system for and method of controlling a lift car. The car providing service to a number of separate stations to enable a person or an article waiting in a predetermined region outside the lift car to enter or leave the lift car. The method including the steps of providing the lift car a scanning device directed outwardly from the lift car. Each of the stations having an independent scanning extension. When the lift car arrives at one of the stations equipped with a scanning device, the scanning device and the scanning extension are juxtaposed to form an operable combination. Scanning the predetermined region with the operable combination to produce an output signal representing a state of the predetermined region, such as whether the region is occupied or not. Using the signal or a function of the signal to regulate subsequent operation of the lift car.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.