Patent · US Expired

Method for correcting magnification

US7405842B2 · kind B2 · utility

1Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2002
Grant dateJul 29, 2008
Priority date
Expiry dateJul 3, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/04793
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for correcting magnification in a photographic device is disclosed in this present invention. The point of this invention is that the magnification ratio of a photographic device is saved into a nonvolatile memory and read out for correcting the magnification in the photographic device, so that the image with correct dimension can be output from the photographic device. Therefore, this invention can provide a more efficient method for correcting magnification in a photographic device, and the quality of the image captured by the photographic device can be improved thereby.

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