Patent · US Active

Viewfinder

US8213788B2 · kind B2 · utility

7Cited by
7References
7Claims
0Family size

Inventors

Key dates

Filing dateNov 29, 2010
Grant dateJul 3, 2012
Priority date
Expiry dateNov 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.