Direction and collimation controllable flash
US6771898B2 · kind B2 · utility
2Cited by
4References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Mar 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B15/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electronic flash is constructed with the ability to vary both collimation and direction allowing a user to direct the flash to a portion of the subject. Collimation and direction of the flash may be displayed in the viewfinder of the camera and may be independently controlled by the user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.