Access control system with feedback to portable electronic device
US10984622B2 · kind B2 · utility
0Cited by
14References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2015 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Jan 9, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/62
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Methods and systems to control access to a predetermined service or area. An access code is read from a portable electronic device of a user using an access terminal at a service site. As a result of reading the access code from the portable electronic device, access-related information is transmitted to the portable electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.