Patents by Inventor Oscar Wilje

Oscar Wilje 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).

  • Device for adjusting the level of brightness emitted by a lamp
    Patent number: 4105927
    Abstract: A device for adjusting the level of brightness of a lamp, especially the headlight lamp in a head lamp device or assembly of a vehicle including said headlight lamp and a dimlight lamp. The device includes a switching arrangement to feed current either to said headlight lamp or to said dimlight lamp.An electronic device, connected to said headlight lamp, includes an electric energy storing apparatus which is connected to be fed by current during such an activation of the switching arrangement that said arrangement feeds current to the headlight lamp.When the switching arrangement thereafter is activated to feed current to the dimlight lamp, the storing apparatus is discharged and feeds a decreased current or voltage, which by electronic means control the current and causes the headlight lamp to reduce its level of brightness.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: August 8, 1978
    Inventor: Oscar Wilje