Low voltage power source power inverter for an electroluminescen

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation

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3151693, 3151694, 315242, 315244, 315291, 363 41, 340781, G05F 100, H05B 3702, H05B 3904, H05B 4136

Patent

active

046331417

ABSTRACT:
A power inverter for an electroluminescent device is disclosed which enables the electroluminescent device to be powered from a low voltage DC power source. Switching transistors convert the low voltage DC power to low voltage AC power which is subsequently increased and coupled to a resonant circuit including the electroluminescent device. Current in the resonant circuit is sampled, referenced to half the low voltage DC power, and coupled back in phase to an amplifier and switching transistors to create an oscillator which oscillates at a frequency determined by the resonant circuit.

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Endicott Research Group, Inc.; Catalog Sheet for E600 Series DC-to-AC Inverter; Effective 3/80.

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