Resistive connections, e.g. by high-resistance chokes or by transistors

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Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings (supporting or protecting brushes or brush holders in motor casings or enclosures H02K5/14); Disposition of current collectors in motors or generators; Arrangements for improving commutation > Connections between commutator segments and windings > Resistive connections, e.g. by high-resistance chokes or by transistors