Miniature user-powered lighting device, system and method of using same
US10254715B2 · kind B2 · utility
1Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Mar 7, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A miniature, self-powered, user-powered lighting device, employing mechanical energy storage and incorporating miniature lighting elements which are illuminated on-demand for a limited duration for backlighting or illumination purposes without the need for a battery or other electro-chemical storage device. The device comprising a manual spring loading mechanism, a spiral spring, a manual trigger mechanism, a transmission for increasing the rotational speed, a miniature generator, and at least one light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.