Patents by Inventor Willem Aling

Willem Aling 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).

  • Character display device
    Patent number: 4236153
    Abstract: A low-noise character element display device is obtained by periodically gradually switching on and off of the display elements and by changing the information to be displaced at instants that the display elements are off.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: November 25, 1980
    Assignee: U.S. Philips Corporation
    Inventor: Willem Aling
  • Gas discharge tube and means for maintaining an invisible gas discharge therein
    Patent number: 4096411
    Abstract: A gas discharge display tube is supplied with a small DC current at a level to maintain an invisible gas discharge and with a pulse-shaped supply voltage having a controllable pulse duration whereby a stable discharge is obtained at a very low brilliance level and voltage transients are substantially eliminated.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: June 20, 1978
    Assignee: U.S. Philips Corporation
    Inventor: Willem Aling