Patents by Inventor Jacobu Stegeman

Jacobu Stegeman 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).

  • Method for driving a lamp in a lighting system based on a goal energizing level of the lamp and a control apparatus therefor
    Patent number: 7667409
    Abstract: A method and a control apparatus for driving a lamp (14) in a lighting system, in particular a lamp laving a fast response to a change of an amount of energy supplied through the lamp, in which a device controller 8 is connected with the lamp (14) The device controller (8) receives data values from a system controller (2) to change a light output level of the lamp (14). Upon receiving a data value which is different from a previously received data value the device controller calculates additional data values and distribute the additional data values in a following, time interval to smoothen a transition between different light output levels of the lamp (14).
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: February 23, 2010
    Assignee: Koninklijke Philips Electronics, N.V.
    Inventors: Renatus Bernardinus Maria Geerts, Jacobu Stegeman