Patents Assigned to Awa Limited
  • Traffic light lens
    Patent number: 4785385
    Abstract: A lens (16) suitable for use with traffic lights has a body portion (20) that is a segment of a sphere and a mounting or sealing ring (21) at the periphery of the body portion. An array of lenticular elements (22) is formed on the concave inner surface of the body portion (20) and is arranged in rows extending substantially horizontally across the concave inner surface of the body portion of the lens. Between each adjacent lenticular element there is a recess (25) to modify the reflection pattern of the lens.
    Type: Grant
    Filed: April 2, 1987
    Date of Patent: November 15, 1988
    Assignee: Awa Limited
    Inventor: Barrie J. Holst