DIFF Subgroup
H03B 21/02 by plural beating, i.e. for frequency synthesis
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Generation of oscillations by combining unmodulated signals of different frequencies > by beating unmodulated signals of different frequencies > by plural beating, i.e. for frequency synthesis
CPC:
Generation of oscillations by combining unmodulated signals of different frequencies (H03B19/00 takes precedence; frequency changing circuits in general H03D) > by beating unmodulated signals of different frequencies > by plural beating, i.e. for frequency synthesis
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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