Charging device with contactable charging means and an image forming apparatus having the charging means and a detachable process unit
US5126913A · kind A · utility
53Cited by
6References
78Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1991 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Aug 29, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0233
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging device for charging a moving member to be charged includes charging device for being contacted to the member to be charged to charge the member; a voltage source for applying a vibratory voltage to the charging device; wherein the charging device includes a first layer contactable to the member to be charged, a second layer adjacent thereto wherein the first layer is a dielectric layer having a volume resistivity larger than that of the second layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.