Patents by Inventor Hassan Paddy A. Salam

Hassan Paddy A. Salam 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).

  • Display matrix
    Patent number: 5550558
    Abstract: A back illuminated array of display elements each of which comprises a vane rotatable between two positions by interaction between an electromagnet and a permanent magnet attached to the vane. The electromagnet includes a monolithic member of soft magnetic material having a U-shaped portion and a flange portion end is configured in such a way as to reduce the reluctance of the magnetic circuit comprised by the electromagnet and permanent magnet. The monolithic member can be arranged to provide a bearing for the rotatable vane.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: August 27, 1996
    Assignee: Unisplay S.A.
    Inventor: Hassan Paddy A. Salam