Patents by Inventor Warren R. Lang

Warren R. Lang 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).

  • Uniform emission backlight
    Patent number: 4714983
    Abstract: A backlight having lamps inserted into ends of a transparent member is disclosed. A top surface of the member is polished and contains an opaque section opposing the lamps. A bottom surface of the member is uniformly frosted so that variations in the average depth of surface irregularities are minimized.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: December 22, 1987
    Assignee: Motorola, Inc.
    Inventor: Warren R. Lang
  • Multi-position return to center potentiometer
    Patent number: 4528545
    Abstract: A multi-position return to center potentiometer having a multiple detent configuration wherein the center detent position is a dimple and other detent positions provide a resistance to rotation that is greater during rotation away from center than rotation toward the center allowing the use of a small return to center spring.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: July 9, 1985
    Assignee: Sperry Corporation
    Inventor: Warren R. Lang
  • CRT Color purity adjustment apparatus
    Patent number: 4467302
    Abstract: A color purity adjustment assembly for color cathode ray tube indicators of the shadow mask type wherein the two ring magnets surrounding the tube neck for determining the magnitude and direction of the resultant magnetic field across the neck are manually angularly adjustable about the tube neck in the same or opposite directions by means of a differential gearing arrangement coupled therebetween.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: August 21, 1984
    Assignee: Sperry Corporation
    Inventor: Warren R. Lang