Patent · US Expired

Autofocus apparatus having a flash synchronized to an autofocus sampling time

US7295243B2 · kind B2 · utility

2Cited by
5References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 22, 2003
Grant dateNov 13, 2007
Priority date
Expiry dateOct 4, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/673
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The autofocus apparatus determines a focus position according to a result of sampling an AF evaluated value and drives a lens system to the focus position. This autofocus apparatus further performs a flash in synchronism with a sampling timing of an AF evaluated value.

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