H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/26, 315/68
H05B 39/02 (2006.01)
Patent
CA 1296759
Abstract of the Disclosure Disclosed is a device for limiting the inrush current in a lamp, comprising a resistor means to limit the inrush current that may arise in a lamp, the resistor means being connected in series with the lamp and power source; a control- led rectifier (main controlled rectifier) having the main current path connected in parallel with the resistor means; another controlled rectifier (secondary controlled rectifier) having the main current path connected with the gate of the main controlled rectifier; and a delay circuit (e.g. RC-time constant circuit) having the output connected with the gate of the secondary controlled rectifier in such manner that the power source energizes the lamp through the resistor means over the time as predetermined by the time constant of the delay circuit.
526736
Hayashibara Ken
Macrae & Co.
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