Patents Examined by Ralph T. Radar
  • Data processing machine
    Patent number: 4030589
    Abstract: A data reader for use on a movable print head data processing machine wherein a sensing element is positioned on the movable carriage supporting the print head and a recording medium having a pattern of indicia disposed thereon is inserted into the platen for vertical and horizontal position control. Means are provided for disabling the print head when the sensing element is in use. Means are provided for utilizing the output of the sensing element.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: June 21, 1977
    Assignee: NCR Corporation
    Inventor: Clarence W. Kessler
  • Spacing and connecting a plurality of print heads
    Patent number: 4030590
    Abstract: A tie bar is secured to the drive block of each of two or more print heads for connecting the heads and for spacing thereof at a desired distance. The tie bar serves as a portion of the drive means for moving the print heads, which are slidably supported on a shaft, in side-to-side travel.
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: June 21, 1977
    Assignee: NCR Corporation
    Inventor: Gary A. Wojdyla