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PCE
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DIFF Subgroup
H01F 29/12

having movable coil, winding, or part thereof; having movable shield

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Variable transformers or inductances not covered by group > with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators > having movable coil, winding, or part thereof; having movable shield

CPC:

Variable transformers or inductances not covered by group H01F21/00 > with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators > having movable coil, winding, or part thereof; having movable shield

No child classifications to compare. This is a leaf node in both IPC and CPC.