Liquid drop emitter
US4308547A · kind A · utility
144Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1979 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | Dec 26, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14322
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A liquid drop emitter utilizing acoustical principles ejects liquid from a body of liquid onto a moving document to form characters or bar codes thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.