Patents Assigned to Koch Digitaldisc Gesellschaft m.b.h. & Co. KG.
  • Apparatus for testing matrixes
    Patent number: 5579113
    Abstract: Apparatus for testing matrixes for manufacturing optical storage media, with a holding device for the matrix displaceable in a rotary manner and an opto-electronic sensing system for reading the data stored on the matrix, where between the matrix (3) and the sensing system (4) a cover (6) configured as a rigid, transparent plate moved together with the holding device (2) and the matrix (3) is provided.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: November 26, 1996
    Assignee: Koch Digitaldisc Gesellschaft m.b.h. & Co. KG.
    Inventors: Gerhard Papst, Klaus Schiffer