Patents by Inventor T. Mark Chung

T. Mark Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-dimensional media printer with media based registration and free edge printing
    Patent number: 5192141
    Abstract: A printer 20 for imprinting data on a variety of multi-dimensional media 62 has media based registration and can accomplish free edge printing for printing data adjacent edges. The printer 20 includes a transport mechanism 52 for accurately transporting and positioning the media 62 before a print head 102. Further, the printer 20 includes a carriage mounted sensor 144 for media edge detection, registration and media size determination. A media presentation mechanism 96 ensures that the media 62 is appropriately presented and maintained at the optimal distance from and orientation with respect to the print head 102.
    Type: Grant
    Filed: May 2, 1991
    Date of Patent: March 9, 1993
    Assignee: Tidemark Corporation
    Inventors: T. Mark Chung, Anthony G. Orchard, William H. Baker, Charles L. Bradford