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PCE
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DIFF Subgroup
H03J 1/18

Control by auxiliary power

Introduced: September 1968

Full Title

Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general > Control by auxiliary power

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Child Classifications

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  • H03J 1/182 CPC only CPC only
  • H03J 1/185 CPC only CPC only
  • H03J 1/187 CPC only CPC only
  • H03J 1/20 the auxiliary power being switched on as long as controlling current is switched on IPC+CPC Available in IPC and CPC
  • H03J 1/22 with stepping arrangements actuated by control pulses IPC+CPC Available in IPC and CPC