IPC Main Group
H04N 1/00 Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- PICTORIAL COMMUNICATION, e.g. TELEVISION
Related Keywords
copying DOCUMENTS by facsimile reproductionFACSIMILE transmissionfacsimile transmission of PICTURESfacsimile REPRODUCTION of pictures by using electric signals
12 direct subcodes
Child Classifications
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- H04N 1/024 Details of scanning heads
- H04N 1/04 Scanning arrangements
- H04N 1/21 Intermediate information storage
- H04N 1/23 Reproducing arrangements
- H04N 1/32 Circuits or arrangements for control or supervision between transmitter and receiver
- H04N 1/38 Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures
- H04N 1/387 Composing, repositioning or otherwise modifying originals
- H04N 1/4 Picture signal circuits
- H04N 1/41 Bandwidth or redundancy reduction
- H04N 1/42 Systems for two-way working
- H04N 1/44 Secrecy systems
- H04N 1/46 Colour picture communication systems