Diffusion device for flash gun
US4539624A · kind A · utility
Inventor
Key dates
| Filing date | Aug 10, 1984 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Aug 10, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0546
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A diffusion device for a flash gun is provided in the form of a translucent box-like structure which fits on the end of a commercial flash gun. In accordance with one embodiment of the invention, opaque shields are provided for the front and back of the diffusion device which can be selectively added or removed to produce special effects. In accordance with another aspect of the invention, a slot is provided in the top of the diffusion device for retaining a reflector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.