Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general

Introduced: September 1968

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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H03J 1/0008 +6 CPC CPC only CPC only
H03J 1/02 Indicating arrangements +1 CPC IPC+CPC Available in IPC and CPC
H03J 1/06 Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control +2 CPC IPC+CPC Available in IPC and CPC
H03J 1/18 Control by auxiliary power +3 CPC IPC+CPC Available in IPC and CPC