Patent · US Expired

Image forming method and apparatus therefor

US4335957A · kind A · utility

2Cited by
4References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1981
Grant dateJun 22, 1982
Priority date
Expiry dateMay 22, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/49881
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method and apparatus for forming an image using an image forming sheet that is normally non-photosensitive but can be rendered photosensitive by preheating and is exposed at the preheated area to a light image to form therein a latent image and then heat-developed to form a visible image. After preheating, the preheated area is cooled by cooling means prior to exposure.

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