IPC Main Group
H04L 13/00 Details of the apparatus or circuits covered by groups or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
3 direct subcodes
Child Classifications
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- H04L 13/02 Details not particular to receiver or transmitter
- H04L 13/16 of transmitters, e.g. code-bars, code-discs
- H04L 13/18 of receivers