Security method for gaining access, access verification device, and elevator
US7190256B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 8, 2004 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Oct 12, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B2201/4676
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The disclosure relates to a security method for gaining access, which allows authorized persons to gain access to a protected area and prevents access by unauthorized persons. The method is characterized in that a number of persons in a verification area are determined, a number of authorization passes present in said area are verified, the number of persons and the number of authorization passes are compared and if the number of persons agrees with the number of authorized passes, an access approval signal is generated. The disclosure also relates to a device that is suitable for carrying out the method and for an elevator equipped with such a device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.