Patents by Inventor Donald B. Bergstedt

Donald B. Bergstedt 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).

  • Method and software for displaying information on a display area of a screen of an electronic device
    Patent number: 6750886
    Abstract: A method is provided for displaying information on a display area of a screen of an electronic device. An initial page of information is displayed on the display area. A signal is transmitted from a user interface device operated by a user. A subsequent page of information is displayed on the display area in response to the signal, including at least one previously displayed line on a previous page, but moved away from an edge of the display area, and at least one newly displayed line between the previously displayed plurality of lines and the edge. Automatically upon display of the subsequent page, a visual cue is displayed on the display area between the previously displayed plurality of lines and the newly displayed plurality of lines in a manner to enable a user to distinguish the previously displayed plurality of lines from the newly displayed plurality of lines.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: June 15, 2004
    Inventor: Donald B. Bergstedt
  • Method of improving dot-on-dot graphics area-fill using an ink-jet device
    Patent number: 4855752
    Abstract: Perceived quality of printing dot-on-dot graphics area fill using an ink-jet device is improved by printing swaths (30, 32, 34, 36, 38) of alternating colors, with each swath offset from the preceding swath by a predetermined amount. In this manner, banding (22, 22'), which is perceived with prior art printing methods, is substantially reduced.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: August 8, 1989
    Assignee: Hewlett-Packard Company
    Inventor: Donald B. Bergstedt