Patent · US Expired

Image forming apparatus and manufacturing method of lens fitted film unit

US6219446A · kind A · utility

25Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1998
Grant dateApr 17, 2001
Priority date
Expiry dateMay 19, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/58
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image forming apparatus includes: a first reading device for reading an image recorded on a recording medium; a storing device for storing a signal of a reference image representing a reference to correct the image recorded on the recording medium; a second reading device for reading a chart image obtained by recording the reference image; a calculating device for calculating image correction data by comparing the signal of the reference image with a signal of the chart image; an image processing device for correcting the image signal read by the first reading device on the basis of the image correction data; and an outputting device for outputting an image on the basis of the image signal corrected by the image processing device.

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