Schaltungsanordnung zur Helligkeitssteuerung wechselstromgespeister Gluehlampen

摘要

1,090,089. Controlling the brightness of lamps. BUSCH-JAEGER DœRENER METALLWERKE A.G. April 20, 1966 [April 24, 1965], No. 17329/66. Heading H2H. A circuit controlling the brightness of an electric lamp comprises a series saturated iron ring cored choke of low loss soft iron alloy which may have a tapped winding differentially wound. The components may be mounted in a moulded housing.