Patents by Inventor Fredrik Bergsten

Fredrik Bergsten 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).

  • Alarm system for a motor vehicle
    Patent number: 7046156
    Abstract: Alarm system for motor vehicle, incorporating an alarm control unit which is powered by a main battery of the motor vehicle, a siren unit likewise powered by the main battery, and a back-up battery in the siren unit which is arranged to power the siren unit upon failure of the power supply from the main battery. To simplify and make such an alarm safer, it is proposed inter alia that upon said failure of power supply from the main battery the back-up battery be arranged to automatically power also the alarm control unit.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: May 16, 2006
    Assignee: SCANIA CV AB (publ)
    Inventor: Fredrik Bergsten