Device for reproducing a halftone picture by scanning
US4232344A · kind A · utility
4Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1978 |
| Grant date | Nov 4, 1980 |
| Priority date | — |
| Expiry date | Nov 28, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4058
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device for reproducing a halftone picture by scanning, representing a marked simplification over conventional devices of this type. The recording beam is controlled by two deflection means and an aperture of simple shape and the control means allows dot patterns with a screen angle to be produced very simply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.