IPC Subgroup
H04N 1/41 Bandwidth or redundancy reduction
Introduced: January 1980
Last revised: January 2006
Full Title
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof > Bandwidth or redundancy reduction
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Scope Notes
Limiting references: Scanning arrangements, the scanning speed being dependent on content of picture
1 direct subcode
Child Classifications
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- H04N 1/411 for the transmission or reproduction of two-tone pictures, e.g. black and white pictures