Handheld illumination device
US8519369B1 · kind B1 · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2012 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Aug 30, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A handheld illumination device is disclosed. The handheld illumination device may include a housing configured to be held in a hand, an input device configured to be actuated by a user, a battery, an illumination source, and a processing circuit. In response to an actuation of the input device, the processing circuit is configured to start a timer without illuminating the illumination source and, upon expiration of the timer, to illuminate the illumination source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.