Patents Assigned to SEMED
  • Adjustable focusing mirror
    Patent number: 4299445
    Abstract: An adjustable focusing mirror, comprising a support on which is mounted a plurality of small plane mirror elements, wherein the support of the focusing mirror comprises a molded concrete structure with a reference face on which the small plane mirror elements are adhesively fixed, at a small distance from one another, but without any contact between them, and wherein the molded concrete structure is fitted with pre-stressing elements for adjusting the concavity of the said reference face carrying the mirror elements.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: November 10, 1981
    Assignee: SEMED
    Inventor: Lucien Aucouturier