Viewfinder
US8213788B2 · kind B2 · utility
7Cited by
7References
7Claims
0Family size
Inventors
Key dates
| Filing date | Nov 29, 2010 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/566
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A viewfinder including a base member for removably mounting on an electronic device suitable for taking digital photographs, attachment means connected to said base member for coupling the base member to an electronic device, an open-ended housing disposed on the base member, and a sighting grid disposed adjacent an open end of the open-ended housing and method for using same is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.