Class 315/190 - Asymmetrical discharge device loads

Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Systems wherein the series connected load devices are of
No. of patents: 3
Last issue date: 03/19/1996

Number	Title	Issue Date
5500792	Zero-voltage switching type electronic ballast for fluorescent lamp A zero-voltage switching type electronic ballast for a fluorescent lamp includes a pair of capacitors connected in series between first and second nodes of a DC power source; a pair of switching devices whose current passages are connected in series betwe...	03/19/1996
5303140	Power source circuit In a power source circuit, an AC voltage of a commercial AC power source is full-wave-rectified by a diode bridge and divided into two 1/2 voltages by two capacitors connected to the output terminals of the diode bridge. A half-bridge inverter operation i...	04/12/1994
3976914	Series SCR gate hold-on circuit In electronic flash apparatus having a flash trigger switch and a flash termination switch, an RC network is provided to apply current to the control electrode of the flash termination switch when the flash trigger switch is in a conductive state....	08/24/1976

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