Patent · US Expired

Method and system for providing automatic focus control for a still digital camera

US5745175A · kind A · utility

163Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 2, 1995
Grant dateApr 28, 1998
Priority date
Expiry dateOct 2, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/675
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method and system for automatically focusing an image within a still camera is disclosed. The method and system comprises providing initial focus and exposure values of the image, calculating an exposure setting for the image, and determining a plurality of focus zones for the image. The method and system includes moving the lens through the plurality of focus zones of the image to obtain exposure and focus information about the image. Through a method and system in accordance with the present invention, a digital still camera can produce a three-dimensional like data set of a scene.

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