Self identifying modulated light source
US8866391B2 · kind B2 · utility
54Cited by
54References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2012 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Jun 15, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/1965
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one aspect, the present disclosure relates to a self identifying light source including an emitter that produces visible light; and an autonomous modulator in electrical communication with the emitter that automatically and continually modulates the visible light produced by the emitter, wherein the modulated visible light represents an identification code of the light source. In some embodiments, the emitter is a light emitting diode (LED) and further comprising an LED driver that provides a specified voltage and current to each LED in the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.