Lighting device having a directed radio signal for position identification
US10976400B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2016 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Sep 8, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2201/01
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a lighting device for providing a position identification signal, wherein the lighting device comprises a lighting means. A transmitting unit comprising an antenna element transmits the position identification signal in the form of a directed radio signal having a specifiable emission characteristic during intended operation, wherein the position identification signal comprises a position determination data regarding a position of the transmitting unit and/or of the lighting means. The invention further relates to a lighting system having a plurality of lighting devices. In addition, the invention relates to a method for operating a lighting device having a lighting means and a transmitting unit. The method comprises the directed transmitting of a position identification signal in the form of a radio signal having a specifiable emission characteristic, wherein the position identification signal comprises position determination data regarding a position of the transmitting unit and/or of the lighting means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.