Power supplies for electroluminescent panels

Details Power supplies for electroluminescent panels Power supplies for electroluminescent panels

G - Physics

09

G

315/26, 375/47

G09G 3/30 (2006.01) H02H 7/122 (2006.01) H05B 33/08 (2006.01) H05B 41/392 (2006.01)

Patent

CA 1237837

LUX 002 P2 Abstract of the Disclosure DC operated power supplies for electroluminescent lamps are self-inhibited from further oscillations and thus are current limited in the event that a failure occurs in an EL lamp which results in the EL lamp being shorted. Single ended and push/pull transformer power supplies are dis- closed, and a transformerless solid state power supply is disclosed utilizing a voltage multiplier, and an inhibitor circuit at the output of the voltage multiplier responsive to substantial voltage drop upon the occurrence of a short- ing of the EL lamp, to inhibit further oscillations and operations of the circuit.

487719

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