Battery operated power supply including a low level boost and a

Details Battery operated power supply including a low level boost and a Battery operated power supply including a low level boost and a

1998-07-16

2000-03-28

Shingleton, Michael B

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315205, 315224, 363 60, H05B 3702

Patent

active

060436107

ABSTRACT:
An EL lamp is driven by a power supply including a voltage boost circuit and a low power inverter. The boost circuit includes a level shifting capacitor to provide voltage doubling. The inverter includes an inductor and at least one transistor connected in series between the output of the boost circuit and ground.

REFERENCES:
patent: 5047690 (1991-09-01), Nilssen
patent: 5306954 (1994-04-01), Chan et al.
patent: 5313141 (1994-05-01), Kimball
patent: 5493543 (1996-02-01), Kamens
patent: 5566064 (1996-10-01), Schoenwald et al.
patent: 5747941 (1998-05-01), Shackle et al.
Advertisement by Sipex Corporation dated Mar., 1997, showing EL driver SP4430.

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