Developer supply device
US8275298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Mar 16, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0656
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developer supply device, comprising: a developer holding body having a circumferential surface and a rotation axis extending in a main scanning direction and being placed to face a supply target at a developer supply position; a carrying substrate that has a plurality of electrodes arranged along a direction intersecting with the main scanning direction and that carries a developer in a developer transport direction through a traveling electric field generated by application of a multiphase alternating voltage to the plurality of electrodes, the carrying substrate being located such that an end of the carrying substrate in the developer transport direction is positioned to face the developer holding body; and a voltage application unit configured to apply, to the plurality of electrodes and the developer holding body, the multiphase alternating voltage having alternating components synchronizing with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.