Patents Represented by Attorney Fred Jacbo

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  • Push-pull fluorescent dimming circuit
    Patent number: 4920299
    Abstract: A diming circuit for a hot cathode fluorescent lamp is operated in a push-pull mode whereby the hot filaments are alternately the cathode and the anode. Both filaments thus experience similar degradation with time at all brightness levels, thereby enhancing and lengthening the life of the lamp.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: April 24, 1990
    Assignee: General Electric Company
    Inventors: Michael Presz, Guy Dela Rosa