Interconnecting Drive Permits Relative Position Adjustment Patents (Class 352/33)
  • Sound motion picture apparatus with removable cartridge
    Patent number: 4429962
    Abstract: Described is a motion-picture apparatus with a housing, a removable cartridge and an arrangement for reproducing a sound track in correlation with the action shown on a length of film contained in the cartridge.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: February 7, 1984
    Assignee: Kenjamin Kinberg
    Inventor: Joseph W. Blake, III