IPC Subgroup
H01F 29/12 having movable coil, winding, or part thereof; having movable shield
Introduced: September 1968
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES