Variable transformers or inductances not covered by group H01F21/00

Child Classifications

Navigate with arrow keys, Enter to open

• H01F 29/02 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
• H01F 29/06 with current collector gliding or rolling on or along winding
• H01F 29/08 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
• H01F 29/14 with variable magnetic bias ( ; magnetic amplifiers H03F; )