Patent · US Expired

Optical write apparatus with an operation for even charging of photosensitive element

US5952649A · kind A · utility

13Cited by
3References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 8, 1997
Grant dateSep 14, 1999
Priority date
Expiry dateAug 8, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/295
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical write apparatus includes a light source unit, a first image-forming optic, a beam deflector, a transparent plate, a second image-forming optic, and a photosensitive body, the transparent plate being provided at a predetermined angle .alpha. with respect to a main-scanning direction on a scanned surface so that charge is built up evenly on the scanned surface.

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