Patents by Inventor Brent M. Serbin

Brent M. Serbin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Digital controller for gas discharge tube
    Patent number: 5041767
    Abstract: A gas discharge tube is controlled in intensity and in the length along such tube that is illuminated by providing digital control signals to an analog drive circuit connected to the high-voltage energization device for the tube. A pulse-width modulated digital control signal containing illumination length and intensity information is converted to ramp-shaped analog drive pulse that control the voltage at a high-voltage transformer secondary to which the gas discharge tube is connected. A manually actuatable keypad permits the user to enter the information that is then converted to the pulse-width modulated signal.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: August 20, 1991
    Assignee: Bertonee Inc.
    Inventors: Mihail Doroftei, Pat Arotta, Brian D. Green, Rastislav N. Royko, Brent M. Serbin