Patents by Inventor Calle Norberg

Calle Norberg 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).

  • Patent number: 5903064
    Abstract: The present invention relates to a distribution network comprising electric wires (5) for distribution of electric current, a plurality of tap-off facilities (6) with at least one socket (9) for tapping off electric current to optional power-consuming units (1), and a central computer unit (10) communicating with the individual tap-off facilities. At least some tap-off facilities (6) in the network comprise a switch (13) and a regulating device (11) with a microprocessor (21), a user connecting a power-consuming unit (1) to one of said tap-off facilities being identifiable to the central computer unit (10) or to the regulating device (11) via a microprocessor in the power-consuming unit, and the regulating device, in case of accepted identification, keeping the switch (13) closed and permitting tap-off of electric current from the socket (9), whereas, in case of non-accepted identification, the regulating device keeps the switch open and prevents tap-off of electric current form the socket (9).
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: May 11, 1999
    Assignee: Vattenfall AB (Public)
    Inventor: Calle Norberg