Ferrofluid media charging of photoreceptors
US5457523A · kind A · utility
17Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1994 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | May 27, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0208
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device for applying an electrical charge to a charge retentive surface by transporting ions in a fluid media and transferring the ions to the member to be charged across the fluid media/charge retentive surface interface. The fluid media is positioned in contact with a charge retentive surface for depositing ions onto the charge retentive surface. In one specific embodiment, the fluid media is a ferrofluid material wherein a magnet is utilized to control the position of the fluid media, which, in turn, can be utilized to selectively control the activation of the charging process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.