Printing apparatus with focusing of toner particles
US6254221A · kind A · utility
6Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1997 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Dec 18, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2217/0016
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Various methods and apparatus are disclosed for facilitating the loading, transportation, and modulation of toner particles on a print head, as well as the transfer of toner particles onto a print medium. These methods and apparatus relate to the optimization of various elements on the print head to improve the speed and control of toner particles on the print head, as well as to the alteration of the electric field in the vicinity of the end of the print head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.