Auxiliary illuminating device of a camera
US5213404A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jan 30, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B15/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An auxiliary illuminating device of a camera including a main body having a front and a rear faces, an engaging base disposed on the front face, a first battery seat disposed on the rear face, an illuminating light, a support rod connecting the illuminating light to the main boy, and an inner circuit, characterized in that the illuminating light has a light tail including two pivotally openable portions which can be opened to expose a second battery seat contained in the light tail so as to install an additional battery therein, whereby through the coordination of the inner circuit, a single battery or two identical or two different batteries with different capacitances can be used to simultaneously supply power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.