Flash photography system
US6718135B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Nov 25, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0553
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flash photography system includes a camera body, a main flash device and at least one sub-flash device, wherein the main flash device emits at least one low flash emission serving as a main-flash emission command signal to transmit the main-flash emission command signal to the sub-flash device, the sub-flash device emitting a flash emission in accordance with the main-flash emission command signal. The flash photography system includes a designating device for designating a flash emission mode of a main-flash emission, and a command device which activates the main flash device to emit the low flash emission serving as the main-flash emission command signal to transmit the main-flash emission command signal to the sub-flash device in a manner corresponding to the designated flash emission mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.