IPC Subgroup
H04N 1/52 Circuits or arrangements for halftone screening
Introduced: January 1995
Last revised: January 2006
Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Colour picture communication systems > Circuits or arrangements for halftone screening
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION