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Patent
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Title of the invention and abstract piece Date of publication of the patent
1 SE9700013A
DRIVKRETS OCH FÖRFARANDE FÖR ATT DRIVA DENSAMMA

A driver circuit 1000 for driving functional devices, such as an LED 1020-1023, a buzzer 1060, a voltage converter or an EL-lamp, and a method of operating the driver circuit are provided. The circuit includes an inductor 1030, first and second connection points for connection of a voltage source 1050, switching means 1040 which when in a first state allows an electrical current to flow from the f...

04.07.1998
2 SE9700013L
DRIVKRETS OCH FÖRFARANDE FÖR ATT DRIVA DENSAMMA

A driver circuit 1000 for driving functional devices, such as an LED 1020-1023, a buzzer 1060, a voltage converter or an EL-lamp, and a method of operating the driver circuit are provided. The circuit includes an inductor 1030, first and second connection points for connection of a voltage source 1050, switching means 1040 which when in a first state allows an electrical current to flow from the f...

04.07.1998