Developing device in an electrophotographic copying apparatus
US3994257A · kind A · utility
8Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1975 |
| Grant date | Nov 30, 1976 |
| Priority date | — |
| Expiry date | Jan 20, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an electrophotographic copying apparatus using developing liquid to develop an electrostatic latent image formed on the surface of an electrostatic image bearing member, a developing device comprises a developing liquid storage tank, a developing portion for contacting the electrostatic image bearing member with developing liquid, pumping means for supplying developing liquid from the storage tank to the developing portion, and means for controlling the density of the developing liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.