IPC Subgroup
H03C 3/02 Details
Introduced: September 1968
Last revised: January 2006
Full Title
Angle modulation > Details
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- MODULATION
4 direct subcodes
Child Classifications
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- H03C 3/04 Means in, or combined with, modulating stage for reducing amplitude modulation
- H03C 3/06 Means for changing frequency deviation
- H03C 3/08 Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
- H03C 3/09 Modifications of modulator for regulating the mean frequency