Electrophotographic copying printer
US4398816A · kind A · utility
13Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1981 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Sep 4, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/04072
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
First and second optical latent image forming devices form an electrostatic latent image directly on a homogeneously charged recording medium surface. Each of the first and second optical latent image forming devices has the capability of discharging almost half the initial charges of the recording medium. The discharging effect of the first and second optical latent image forming devices forms the combined electrostatic latent image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.