Electronic flash and a camera provided with the same
US5895128A · kind A · utility
49Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1998 |
| Grant date | Apr 20, 1999 |
| Priority date | — |
| Expiry date | Jan 20, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0553
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic flash includes a primary emission unit for emitting flash light for illuminating an object, an auxiliary emission unit for emitting light having a different color temperature from the flash light; and a controller for controlling emission of the auxiliary emission unit to adjust the color temperature of illumination light to the object. This electronic flash makes it possible to change the color temperature of illumination light to an object quickly and easily.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.