Method for the rastered reproduction of half-tone pictures providing changes in the individual picture elements during transfer from an original to a reproduction
US4075663A · kind A · utility
32Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1976 |
| Grant date | Feb 21, 1978 |
| Priority date | — |
| Expiry date | Mar 17, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/3935
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for reproducing half-tone pictures utilizing rastered scanning in which the change in the picture element units occur during the transfer from the original to the reproduction with the use of an electronically stored recording data and where the date can be changed in a selectable manner to increase or decrease the raster and or the scale of the reproduction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.