Driving ink jet recording elements
US4284996A · kind A · utility
38Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 30, 1979 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Jul 30, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/034
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for driving an ink jet comprising a compression chamber for the ink, the volume of which is charged by means of a piezo-electric transducer by expanding the chamber in preparation for printing, contracting the chamber to print, and expanding the chamber again in preparation for another cycle of printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.