Patents Assigned to Bezalel Research and Development Ltd.
  • Goggles' lenses
    Patent number: 5094520
    Abstract: An axiosymmetric eccentric spherical polycarbonate lens (2) for goggles (1), comprising inner (7) and outer (8) spherical surfaces defined by centers of curvature 0.sub.1 and 0.sub.2 and by radii R.sub.1 and R.sub.2, respectively, 0.sub.1 and 0.sub.2 being both located on the lens's axis of symmetry (5), at a distance D from each other, the lens being more distal from 0.sub.1 than from 0.sub.2, the length of R.sub.2 being about 1.025-1.035 R.sub.1, and that of D about 0.0510-0.0564.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: March 10, 1992
    Assignee: Bezalel Research and Development Ltd.
    Inventors: Yaron Reshef, Uri Alon