Electrostatic lasar printer with a short side length of a modulation area formed by pulse width modulation set relative to a detected toner particle size
US5124802A · kind A · utility
44Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1990 |
| Grant date | Jun 23, 1992 |
| Priority date | — |
| Expiry date | Sep 26, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/295
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image forming apparatus includes an area modulation means for forming a halftone image signal by area modulation according to input image data, and a recording unit for performing recording using a particle-type recording material according to the halftone image signal, wherein the length of a short side of a minimum modulation area of the area modulation means formed by the recording unit is set to 0.7-4 times an average particle size of the particle-type recording material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.