IPC Subgroup
H03B 21/01 by beating unmodulated signals of different frequencies
Introduced: January 1980
Last revised: January 2006
Full Title
Generation of oscillations by combining unmodulated signals of different frequencies > by beating unmodulated signals of different frequencies
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
2 direct subcodes
Child Classifications
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- H03B 21/02 by plural beating, i.e. for frequency synthesis
- H03B 21/04 using several similar stages