Estimating the number of passengers in an elevator system
US11155437B2 · kind B2 · utility
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3References
15Claims
0Family size
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Key dates
| Filing date | Mar 20, 2019 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Apr 27, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B2201/402
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A solution for estimating the number of persons entering or leaving an elevator car, wherein a stepwise change in passenger load is detected based on a passenger load signal relating to the elevator car, and the change in a passenger count is estimated based on passenger load change ranges depending on traffic intensity and the stepwise change in the passenger load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.