Cooperative light show
US10907796B2 · kind B2 · utility
0Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2019 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Apr 29, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/21
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
One or more colored films selectively change the color of the displayed light from one or more mobile devices to enable crowd participation is a multi-colored light show at public gatherings. The ability to change the color of a mobile device flash may also be useful for providing identification at a distance in low light conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.