Patents by Inventor Abraham A. Los

Abraham A. Los 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: 5834887
    Abstract: An in-line electron gun includes main lens electrodes, a common aperture and, at a distance from the common aperture, three in-line apertures in a plate-shaped part. The outer apertures extend, viewed in a direction transverse to the plate-shaped part, beyond the common aperture.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: November 10, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Tjerk G. Spanjer, Lambert J. Stil, Johannes H. Bohlander, Abraham A. Los, Antonius J Pennings
  • Patent number: 5818157
    Abstract: A color cathode ray tube includes an in-line electron gun having a main lens with recessed apertures. The main lens is formed by two electrodes. These electrodes have outer edges and recessed apertures which allow passage of three in-line electron beams and which are arranged at a distance d1 and d2, respectively, from the outer edges. The outermost apertures are asymmetric. The difference d1-d2 and the asymmetry of the outermost apertures is such that both the beam displacement and the core haze asymmetry are minimal.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 6, 1998
    Assignee: U.S. Philips Corporation
    Inventors: Lambert J. Stil, Johannes H. Bohlander, Tjerk G. Spanjer, Abraham A. Los, Antonius J. Pennings