Image forming device for creating a color image having pixel elements of different thicknesses
US5550626A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1994 |
| Grant date | Aug 27, 1996 |
| Priority date | — |
| Expiry date | Jan 6, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0495
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electrophotographic color printer exposes a photosensitive body to form an exposure pattern thereon. Toner material of two different colors is then applied to the exposure pattern by developers. The toner materials are subsequently transferred to a recording medium and fixed thereon. The toner materials are applied to the photosensitive body so that each of the two colors of toner materials have regions of two different thicknesses so they will have different thicknesses when applied to the recording medium. When two of the thicker regions are adjacent, the fixing of the toner materials will cause the toner materials of the two regions to mix. Thus, if the two adjacent thicker regions are of different colors, a third color will be produced. Toner material of further colors may also be transferred to the recording medium, by applying further toner materials to the same or another photosensitive body using further developers. The exposure pattern has a plurality of voltage levels having predetermined relationships to one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.