Continuous ink jet stimulation adjustment based on overdrive detection
US4878064A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1988 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Oct 31, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/115
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system for adjusting the stimulation amplitude of a continuous ink jet printer to operate in a satellite-free, drop break off region includes a test charge electrode located downstream from the nominal information charging zone, an electrometer for detecting drop charge imported by the test charge electrode and a control circuit for gradually varying stimulation between the underdrive to overdrive regions. An information storage and processing system stores and computes the stimulation amplitude corresponding to the overdrive inception point during such stimulation ramping and a nominal operating stimulation amplitude is selected based on the computed inception point stimulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.