Patent · US Expired

Image forming apparatus with a light shutter of the G-H type liquid crystal

US4745433A · kind A · utility

11Cited by
11References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 16, 1984
Grant dateMay 17, 1988
Priority date
Expiry dateJul 16, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K15/1252
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An image forming apparatus has a guest-host effect liquid crystal cell as a liquid crystal shutter which is arranged between a light source and a photosensitive drum to form a latent image on the photosensitive drum in accordance with a predetermined image obtained by light rays from the light source.

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