Method and system for access control with modulated lights
US10445948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Feb 1, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00785
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for access control in an access control system for people or vehicles comprising at least one access control device. In the method the at least one access control device, using a selective modulation of the frequency, spatial modulation and/or optional temporal modulation of light emitted by a specified number of light sources, transmits information that can be received and demodulated by a mobile electronic device having a camera. The information sent by the access control device contains a unique ID of the access control device, which is used to control the access control device in accordance with data transmitted to the access control system by a mobile electronic device which receives the information transmitted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.