IPC Subgroup
H04N 1/409 Edge or detail enhancement; Noise or error suppression
Introduced: January 1995
Last revised: January 2006
Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Picture signal circuits > Edge or detail enhancement; Noise or error suppression
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION