Recto-verso indirect electrostatic printer
US4723137A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1986 |
| Grant date | Feb 2, 1988 |
| Priority date | — |
| Expiry date | Oct 28, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/232
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatic printer uses a dielectric film (10) as an intermediate recording medium for an electrostatic latent image which is to be printed on a final recording medium (1) such as sheets of paper. The latent image is first developed by inking, and the inked image is then fixed on the final medium by pressure using a transfer unit having pressure rolls (11A, 11B) between which the intermediate medium and the final medium are passed while pressed against each other. Two portions of the same dielectric film are pressed against opposite faces of the final medium as it passes between the pressure rolls of the transfer unit with each portion being suitable for receiving an electrostatic latent image from a corresponding write head (8) with images being inked by corresponding inking devices (9), and with each inking device being associated with a corresponding different one of the rolls of the transfer unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.