Developing apparatus
US4422749A · kind A · utility
24Cited by
10References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1981 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Oct 2, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing apparatus has developer conveying member for feeding developer to an electrostatic latent image bearing surface of an image formation apparatus. A high resistance layer is formed at the side of the developer conveying member facing an electrostatic latent image. A medium resistance layer is formed on the surface of the high resistance layer to provide self-bias effects and to allow developing without background fog.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.