Electrostatic image developing process
US3953618A · kind A · utility
3Cited by
10References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1974 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | Sep 20, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0803
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic image developer of the powder cloud type incorporating an image field screen or plate adjacent the receptor sheet carrying the electrostatic image, and including means for varying the image field plate potential and spacing during the developing cycle for improved contrast in the resultant visual picture. A method of developing including varying the image field screen potential and spacing during the developing cycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.