Variable frequency multi-orifice IJP
US4153901A · kind A · utility
8Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1977 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Dec 16, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D15/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A hemicylindrical crystal is used in a variable frequency multi-orifice ink jet modulator. Unwanted resonant frequencies are damped providing the capability of wide band operation. A phase control is used with the modulator to control printing operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.