Nonimpact printer
US4416533A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 1982 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | May 19, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A nonimpact printer in which electric charges are distributed over the surface of an electrophotographic photosensitive drum by a corona charger, the corona charged surface of the drum is exposed to a first information light, the induced latent image is developed by toner of a first color, the corona charged surface of the drum with the developed image of the toner of the first color is again exposed to a second information light, and the secondly induced latent image is developed by toner of a second color, so that a bicolor toner image is formed on the surface of the drum, which is transferred on a printing medium to obtain a print.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.