Digital certificate and reservation
US11663867B2 · kind B2 · utility
1Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2020 |
| Grant date | May 30, 2023 |
| Priority date | — |
| Expiry date | Jul 3, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S30/14
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An access device is provided for use in an access control system. The access device includes a processor having control of a door lock, and a communication module connected to the processor. The processor is able to receive a reservation certificate presented by a portable terminal through the communication module. The processor activates the door lock when the current reservation certificate has been presented and disables an alarm system when the current reservation certificate has been presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.