DIFF Subgroup
H03J 7/28 using counters or frequency dividers
Introduced: January 1980
Full Title
Automatic frequency control; Automatic scanning over a band of frequencies > Automatic scanning over a band of frequencies > where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element > using counters or frequency dividers
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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