Patents by Inventor John Heineck

John Heineck 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).

  • Automatic document feeders
    Patent number: 11312588
    Abstract: An example automatic document feeder device includes a document tray, a pair of rollers, at least one controller that automatically adjusts a height of the document tray and the pair of rollers based on an amount of media contained on the document tray, Sand a slide aligned to the pair of rollers to alter a media pathway distance as the height of the pair of rollers changes. The controller may adjust the height of the document tray independently from adjusting the height of the pair of rollers. A guide may be provided adjacent to the document tray, wherein the guide may bend as the height of the document tray increases. A sensor may determine a thickness of media contained on the document tray.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: April 26, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: John Heineck
  • AUTOMATIC DOCUMENT FEEDERS
    Publication number: 20200223650
    Abstract: An example automatic document feeder device includes a document tray, a pair of rollers, at least one controller that automatically adjusts a height of the document tray and the pair of rollers based on an amount of media contained on the document tray, Sand a slide aligned to the pair of rollers to alter a media pathway distance as the height of the pair of rollers changes. The controller may adjust the height of the document tray independently from adjusting the height of the pair of rollers. A guide may be provided adjacent to the document tray, wherein the guide may bend as the height of the document tray increases. A sensor may determine a thickness of media contained on the document tray.
    Type: Application
    Filed: October 5, 2017
    Publication date: July 16, 2020
    Inventor: John Heineck