Lamp ballast circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Patent

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Details

315226, 315248, 315291, H05B 4124, H05B 4136

Patent

active

051422018

ABSTRACT:
A circuit arrangement comprising a DC/AC converter for supplying power to a lamp upon receiving energy from a DC voltage source; the converter includes a branch A having at least one switching element and a control branch connected to the switching element; the control branch comprises a coil shunted by a capacitor; the circuit arrangement also includes a load branch with an inductor connected to a parallel arrangement of an inductance and capacitance.

REFERENCES:
patent: 4935672 (1990-06-01), Lammers et al.

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