IPC Main Group
H04J 14/00 Optical multiplex systems
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- MULTIPLEX COMMUNICATION
4 direct subcodes
Child Classifications
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- H04J 14/02 Wavelength-division multiplex systems
- H04J 14/04 Mode multiplex systems
- H04J 14/06 Polarisation multiplex systems
- H04J 14/08 Time-division multiplex systems