Strobe light distribution lens and zoom strobe
US6179447A · kind A · utility
6Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Feb 18, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2215/0592
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a light distribution lens for a strobe provided in front of a strobe light emitter to gather strobe light, one of opposed lens surfaces is made of a convex surface, and the other lens surface is made of a convex Fresnel surface. A zoom strobe device is also disclosed, which includes a light emitter unit having a light emitter and a reflector, a light distribution lens provided in front of the light emitter unit to gather light emitted from the light emitter, and a zoom device for varying the distance between the light emitter unit and the light distribution lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.