Electrophotographic method
US4311778A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1978 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Jun 27, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This specification discloses an electrophotographic method and apparatus for forming an electrostatic latent image on a photosensitive medium having a conductive layer, a photoconductive layer and an insulating layer. The method comprises a primary charging step, an image light exposure step, a secondary charging step, a tone regulating step and a whole surface exposure step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.