Patent · US Expired

Compact photographing device

US7639941B2 · kind B2 · utility

0Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2004
Grant dateDec 29, 2009
Priority date
Expiry dateAug 7, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/55
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a photographing device whose bulk is intended to be reduced. According to the invention, a permanent division of the object field observed by the device is associated with a catadioptric configuration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.